{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"elevenlabs-api","slug":"elevenlabs-api","name":"ElevenLabs API","type":"api","url":"https://elevenlabs.io","page_url":"https://unfragile.ai/elevenlabs-api","categories":["voice-audio"],"tags":[],"pricing":{"model":"freemium","free":true,"starting_price":"$5/mo"},"status":"active","verified":false},"capabilities":[{"id":"elevenlabs-api__cap_0","uri":"capability://text.generation.language.character.based.text.to.speech.synthesis.with.model.selection","name":"character-based text-to-speech synthesis with model selection","description":"Converts input text to natural-sounding speech audio using one of three specialized models (Eleven v3 for emotional expressiveness, Multilingual v2 for stability on long-form content, or Flash v2.5 for low-latency production). The system processes text character-by-character with per-character credit consumption (1 credit per character for standard models, 0.5-1 for Flash variants), respecting model-specific input limits (5k-40k characters) and language coverage (29-70+ languages). Output is streamed or returned as PCM audio at 44.1kHz with quality tiers from 128kbps (free/starter) to 192kbps (pro+).","intents":["Generate natural-sounding voiceovers for audiobooks, podcasts, or video content without hiring voice actors","Create multilingual audio content across 29-70+ languages with a single API integration","Build low-latency voice synthesis into real-time applications with Flash v2.5's ~75ms latency","Produce emotionally expressive speech for interactive narratives or character dialogue"],"best_for":["Content creators building audiobook or podcast platforms","SaaS founders adding voice features to accessibility or education products","Developers building multilingual voice applications for global audiences","Teams requiring sub-100ms latency for real-time voice synthesis"],"limitations":["Per-request character limits (5k for v3, 10k for v2, 40k for Flash) require chunking for longer documents","Credit-based pricing model means costs scale linearly with character count; no flat-rate option for high-volume use","Emotional expressiveness varies by model; v3 is most expressive but has smallest input limit","Pronunciation controls mentioned but not detailed in API documentation; custom phoneme control may be limited"],"requires":["ElevenLabs API key (obtained from account dashboard)","Python SDK (official) or TypeScript SDK (official) or direct REST API access","Minimum 10k credits/month (free tier) or paid subscription starting at $6/month (Starter)","Audio playback capability on client side (browser Web Audio API, mobile audio framework, or file storage)"],"input_types":["plain text (UTF-8)","text with SSML-like pronunciation hints (if supported)","structured dialogue with speaker labels (for multi-speaker synthesis)"],"output_types":["PCM audio stream (44.1kHz, 128kbps or 192kbps)","MP3 audio file","streamed audio chunks (for real-time playback)"],"categories":["text-generation-language","audio-synthesis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_1","uri":"capability://text.generation.language.voice.cloning.with.instant.and.professional.tiers","name":"voice cloning with instant and professional tiers","description":"Enables users to clone a voice from audio samples (instant cloning) or create a professional voice clone with higher fidelity through a managed process. Instant Voice Cloning (Starter tier+) accepts short audio samples and generates a cloned voice usable immediately in TTS synthesis. Professional Voice Cloning (Creator tier+) involves a more rigorous process with quality assurance, producing voices suitable for commercial use. Both methods integrate with the standard TTS pipeline, allowing cloned voices to be used across all three TTS models with the same character-based credit consumption.","intents":["Clone a personal or brand voice for consistent audiobook narration or brand voice consistency","Create a voice for a character in interactive fiction or game dialogue without hiring voice actors","Generate professional-grade voice clones for commercial content (podcasts, ads, educational videos)","Maintain voice consistency across multiple content pieces using a single cloned voice identity"],"best_for":["Content creators wanting to establish a consistent personal or brand voice","Game developers and interactive fiction authors building character voices","Podcast networks and audiobook publishers needing cost-effective voice talent","Enterprises requiring branded voice synthesis for customer-facing applications"],"limitations":["Instant Voice Cloning requires high-quality audio samples; poor audio quality degrades clone fidelity","Professional Voice Cloning involves manual review and approval, adding latency (timeline not specified)","Cloned voices consume the same per-character credits as standard voices; no discount for voice cloning","Voice cloning availability restricted by tier: Instant requires Starter ($6/month+), Professional requires Creator ($11/month+)"],"requires":["ElevenLabs account with Starter tier ($6/month) for Instant Voice Cloning or Creator tier ($11/month) for Professional Voice Cloning","Audio sample(s) in supported format (WAV, MP3, or similar; exact specs unknown)","For Professional cloning: willingness to wait for manual review and approval process","API key and Python/TypeScript SDK or REST API access"],"input_types":["audio file (WAV, MP3, or other common formats)","short audio sample (duration requirements unknown)","voice description text (for Professional Voice Cloning approval process)"],"output_types":["voice ID (unique identifier for cloned voice)","voice usable in all TTS models (v3, Multilingual v2, Flash v2.5)","PCM audio output using cloned voice"],"categories":["text-generation-language","audio-synthesis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_10","uri":"capability://automation.workflow.startup.grants.program.with.free.credits.and.extended.trial","name":"startup grants program with free credits and extended trial","description":"Provides qualifying startups with 12 months of free access plus 33 million characters of free TTS credits (equivalent to ~33,000 minutes of audio). The program is designed to enable early-stage companies to build voice features without upfront costs. Eligibility criteria and application process are not fully documented. Grants are distributed through the ElevenLabs website or partner programs (Y Combinator, Techstars, etc.).","intents":["Enable early-stage startups to add voice synthesis features without upfront costs","Reduce time-to-market for voice-enabled products by eliminating initial infrastructure costs","Allow startups to validate voice feature demand before committing to paid tiers","Build long-term customer relationships with startups that may scale to paid tiers"],"best_for":["Early-stage startups (pre-seed, seed stage) building voice-enabled products","Founders from accelerators (Y Combinator, Techstars, etc.) with partner program access","Teams with limited budgets wanting to prototype voice features","Startups in accessibility, education, or content creation verticals"],"limitations":["Eligibility criteria not documented; unclear what qualifies as a 'startup'","Application process not detailed; timeline for approval unknown","33M character grant (~33,000 minutes) may be insufficient for high-volume voice applications","Grant expires after 12 months; transition to paid tier required for continued use","No guarantee of continued free access after grant period"],"requires":["Startup status (definition unclear; likely requires incorporation and funding stage verification)","ElevenLabs account creation","Application to startup grants program (process not detailed)","Approval from ElevenLabs team"],"input_types":["startup information (company name, stage, product description)","accelerator affiliation (if applicable)","use case description"],"output_types":["12-month free access grant","33M character TTS credit allocation","access to all paid tier features during grant period"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_11","uri":"capability://tool.use.integration.workspace.collaboration.and.team.management.with.tiered.seat.allocation","name":"workspace collaboration and team management with tiered seat allocation","description":"Enables team collaboration through workspace management with role-based access control and seat allocation. Different pricing tiers provide different numbers of workspace seats: Scale tier includes 3 seats, Business tier includes 10 seats, and Enterprise tier includes custom seat allocation. Seats enable multiple team members to access the same workspace, projects, and voice library. The system supports consolidated billing and team-level usage tracking. Workspace features include project organization, shared voice library access, and collaborative content creation.","intents":["Enable multiple team members to collaborate on voice synthesis projects within a single workspace","Manage team access and permissions for voice library, projects, and billing","Track usage and costs at the team level for cost allocation and budgeting","Scale voice synthesis operations across teams without managing multiple accounts"],"best_for":["Teams and agencies producing voice content at scale","Enterprises with multiple departments using voice synthesis","Content production studios with multiple creators and editors","SaaS companies embedding voice features for multiple customers"],"limitations":["Workspace collaboration features not fully documented; unclear what role-based access controls are available","Seat allocation limited by tier: 3 seats (Scale), 10 seats (Business), custom (Enterprise)","No mention of audit logs or usage tracking per team member; cost allocation may be difficult","Workspace management UI not detailed; unclear how intuitive team management is"],"requires":["ElevenLabs account with Scale tier ($299/month, 3 seats) or higher","Team member accounts (each team member requires an ElevenLabs account)","Workspace creation and team member invitation"],"input_types":["team member email addresses for invitation","role assignment (admin, editor, viewer, or similar)","workspace settings and preferences"],"output_types":["workspace access for team members","shared project and voice library access","consolidated billing and usage reports"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_12","uri":"capability://data.processing.analysis.voice.modification.and.characteristic.adjustment","name":"voice modification and characteristic adjustment","description":"Modifies voice characteristics (pitch, speed, tone, accent) of existing audio recordings through neural voice transformation, enabling voice customization without re-recording or voice cloning. The voice changer applies learned transformations to match target voice characteristics while preserving original speech content and intelligibility, suitable for accessibility adjustments, creative effects, and voice personalization.","intents":["I need to adjust voice pitch or speed for accessibility without re-recording","I want to apply creative voice effects for entertainment or gaming","I need to match voice characteristics across multiple recordings for consistency","I want to personalize voice output for different user preferences"],"best_for":["accessibility platforms adjusting voice characteristics for users","game developers applying voice effects to character audio","content creators personalizing voice output for different audiences","audio production teams matching voice characteristics across recordings"],"limitations":["Transformation quality depends on target characteristic similarity to source","Heavy transformations may introduce artifacts or reduce intelligibility","No explicit control over transformation parameters (pitch shift amount, etc.)","API endpoints and parameters unknown","Latency profile unknown"],"requires":["ElevenLabs API key (tier requirement unknown)","Audio file (format unknown)","Target voice characteristic specification (format unknown)"],"input_types":["audio file (format unknown)","target characteristic specification (pitch, speed, tone, etc.)"],"output_types":["modified audio file (format unknown)"],"categories":["data-processing-analysis","audio-processing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_13","uri":"capability://automation.workflow.credit.based.usage.tracking.and.cost.optimization","name":"credit-based usage tracking and cost optimization","description":"Implements a credit-based pricing model where each API operation consumes credits based on input size and operation type (1 character = 1 credit for standard TTS, 0.5-1 credit per character for Flash models depending on tier). Credits are allocated monthly per subscription tier (10k-6M credits/month), with unused credits rolling over for up to 2 months, enabling cost predictability and budget management. Developers can monitor credit consumption per request and optimize usage patterns to reduce costs.","intents":["I need to understand and predict my TTS costs based on usage volume","I want to optimize my API usage to stay within budget constraints","I need to track credit consumption per project or user for cost allocation","I want to take advantage of credit rollover to smooth out usage spikes"],"best_for":["startups and small teams managing tight budgets","enterprises allocating costs across departments or projects","developers optimizing API usage for cost efficiency","teams with variable usage patterns benefiting from credit rollover"],"limitations":["Credit rollover limited to 2 months (unused credits expire after 2 months)","Downgrade or cancellation resets rollover counter (no credit preservation across subscription changes)","No explicit per-request cost breakdown in API responses (developers must calculate manually)","Flash model credit consumption varies by tier (0.5-1 credit per character) — requires tier-aware cost calculation","No cost estimation API endpoint (developers must implement own cost calculator)"],"requires":["ElevenLabs API key with any tier","Subscription tier selection (Free, Starter, Creator, Pro, Scale, Business, or Enterprise)","Understanding of credit consumption rates per operation type"],"input_types":["subscription tier selection","usage monitoring and analytics"],"output_types":["credit consumption tracking","cost estimates and projections","usage analytics and reports"],"categories":["automation-workflow","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_14","uri":"capability://memory.knowledge.voice.library.and.reusable.voice.profile.management","name":"voice library and reusable voice profile management","description":"Maintains a persistent voice library where cloned voices, designed voices, and pre-built voices are stored as reusable profiles with unique identifiers. Developers can create, organize, and manage voice profiles across projects, enabling consistent voice usage across multiple synthesis requests without re-cloning or re-designing. Voice profiles support metadata tagging and organization, facilitating voice discovery and reuse at scale.","intents":["I want to create a consistent brand voice across multiple projects and content pieces","I need to manage multiple character voices for a game or interactive experience","I want to organize and discover voices across my organization","I need to share voice profiles with team members for collaborative content creation"],"best_for":["content creators building consistent brand voice experiences","game studios managing multiple character voices","teams collaborating on multilingual or multi-character projects","organizations standardizing voice usage across products"],"limitations":["Voice profile sharing and permission management unknown","Maximum number of voice profiles per account unknown","Voice profile versioning and history unknown","API endpoints for voice library management unknown","Voice profile metadata format and tagging system unknown"],"requires":["ElevenLabs API key with any tier","Python SDK or TypeScript SDK"],"input_types":["voice profile creation (cloned, designed, or pre-built)","voice profile metadata (name, tags, description)"],"output_types":["voice profile identifier (reusable across requests)","voice library listing and search results"],"categories":["memory-knowledge","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_15","uri":"capability://text.generation.language.multilingual.content.generation.with.automatic.language.detection","name":"multilingual content generation with automatic language detection","description":"Generates speech and text content across 29-90+ languages depending on operation (TTS supports 29-70+ languages, STT supports 90+ languages), with automatic language detection for input content. The system automatically selects appropriate language-specific models and processing pipelines based on detected language, enabling seamless multilingual workflows without explicit language specification. Supports language mixing in some contexts (e.g., code-switching in dialogue).","intents":["I need to process content in multiple languages without specifying language per request","I want to build a truly multilingual product that works across 90+ languages","I need to handle language mixing and code-switching in multilingual content","I want to localize content globally without language-specific engineering"],"best_for":["global platforms serving users in 90+ languages","multilingual content creators and publishers","international companies localizing products","accessibility platforms supporting diverse user languages"],"limitations":["TTS supports fewer languages (29-70+) than STT (90+) — language coverage varies by operation","Automatic language detection may fail for mixed-language content or rare languages","Language-specific voice quality varies (some languages may have fewer voice options)","Code-switching support unknown (whether system handles language mixing in single requests)","No explicit language preference specification (automatic detection only)"],"requires":["ElevenLabs API key with any tier","Content in supported language (29-90+ languages depending on operation)"],"input_types":["text or audio in any supported language"],"output_types":["speech or text in same language","detected language identifier"],"categories":["text-generation-language","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_2","uri":"capability://text.generation.language.voice.design.from.text.descriptions","name":"voice design from text descriptions","description":"Generates synthetic voices from natural language descriptions without requiring audio samples. Users provide text descriptions of desired voice characteristics (e.g., 'warm, deep male voice with slight accent'), and the system generates a unique voice that matches the description. The generated voice is assigned a voice ID and can be used immediately in TTS synthesis across all three TTS models, consuming standard per-character credits. This capability abstracts away the need for voice cloning from samples and enables rapid voice creation for diverse character types.","intents":["Generate diverse character voices for interactive fiction, games, or animated content without voice actor hiring","Create multiple distinct voices for dialogue-heavy content (audiobooks with multiple characters, podcasts with co-hosts)","Rapidly prototype voice options for a brand or product without committing to voice cloning","Build applications that generate unique voices on-demand for user-generated content scenarios"],"best_for":["Game developers and interactive fiction authors needing diverse character voices","Content creators experimenting with voice options before committing to voice cloning","Platforms enabling user-generated audio content with voice customization","Audiobook publishers needing multiple distinct narrator voices for ensemble casts"],"limitations":["Voice generation quality and fidelity depend on description clarity; vague descriptions may produce inconsistent results","Generated voices may not match descriptions with perfect precision; iteration may be required","No control over specific voice characteristics (pitch, speed, accent intensity); only text-based description input","Generated voices consume standard per-character credits; no discount for synthetic voice generation"],"requires":["ElevenLabs account with any tier (free tier includes Voice Design capability)","API key and Python/TypeScript SDK or REST API access","Text description of desired voice characteristics"],"input_types":["natural language text description (e.g., 'warm, deep male voice with British accent')","voice characteristic keywords (age, gender, accent, tone, emotion)"],"output_types":["voice ID (unique identifier for generated voice)","voice usable in all TTS models (v3, Multilingual v2, Flash v2.5)","PCM audio output using generated voice"],"categories":["text-generation-language","audio-synthesis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_3","uri":"capability://data.processing.analysis.multilingual.speech.to.text.transcription.with.speaker.diarization","name":"multilingual speech-to-text transcription with speaker diarization","description":"Transcribes audio in 90+ languages to text using Scribe v2 (batch/offline) or Scribe v2 Realtime (real-time streaming). The system performs automatic language detection, word-level timestamp generation, speaker diarization (identifying and separating up to 32 speakers), entity detection (up to 56 entity types), and dynamic audio tagging. Batch processing is optimized for long-form content; realtime processing achieves ~150ms latency (excluding network). Keyterm prompting (up to 1,000 custom terms) enables domain-specific vocabulary recognition. Output includes structured JSON with timestamps, speaker labels, and confidence scores.","intents":["Transcribe multilingual audio content (podcasts, interviews, meetings) with automatic speaker identification","Extract named entities and key terms from audio for content indexing or knowledge extraction","Generate accurate transcripts with word-level timestamps for video captioning or searchable archives","Build real-time transcription features for live events, meetings, or customer support interactions"],"best_for":["Podcast and audiobook platforms requiring multilingual transcription at scale","Meeting recording and note-taking applications (Otter.ai-like products)","News organizations and media companies processing multilingual content","Customer support and contact center platforms requiring real-time transcription"],"limitations":["Batch processing latency unknown; realtime processing adds ~150ms latency (excluding network/app overhead)","Speaker diarization limited to 32 speakers; larger group conversations may exceed this limit","Entity detection limited to 56 entity types; custom entity types may not be supported","Keyterm prompting limited to 1,000 terms; very large domain vocabularies may require multiple requests","Pricing model for STT operations unknown (documented as 'per second of audio processed' but exact rates not provided)"],"requires":["ElevenLabs account with any tier (free tier includes Speech-to-Text)","API key and Python/TypeScript SDK or REST API access","Audio file in supported format (WAV, MP3, or similar; exact specs unknown) for batch processing, or audio stream for realtime","For realtime: WebSocket or streaming protocol support (implementation details unknown)"],"input_types":["audio file (batch processing)","audio stream (realtime processing)","keyterm list (up to 1,000 custom terms for vocabulary enhancement)","language hint (optional; automatic detection available)"],"output_types":["JSON transcript with word-level timestamps","speaker labels and diarization boundaries","detected entities with confidence scores","dynamic audio tags (content classification)","language detection result"],"categories":["data-processing-analysis","audio-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_4","uri":"capability://text.generation.language.automatic.and.studio.based.video.dubbing.with.language.translation","name":"automatic and studio-based video dubbing with language translation","description":"Provides two dubbing modes: Automatic Dubbing (available Starter tier+) automatically translates and re-voices video content in target languages using TTS synthesis, and Dubbing Studio (available Starter tier+) offers a web-based editor for manual control over translation timing, voice selection, and lip-sync adjustments. Enterprise tier includes fully managed dubbing with Productions, where ElevenLabs handles the entire workflow. The system preserves original video timing, generates translated speech in target language voices, and optionally applies lip-sync adjustments. Dubbing integrates with the voice library and voice cloning capabilities, enabling brand-consistent dubbing across multiple languages.","intents":["Translate and re-voice video content into multiple languages without hiring voice actors or dubbing studios","Create localized versions of educational videos, product demos, or marketing content for global audiences","Maintain brand voice consistency across dubbed content using voice cloning or voice design","Rapidly produce multilingual video content for streaming platforms or international distribution"],"best_for":["Content creators and studios producing video for global audiences","SaaS companies localizing product videos and tutorials for international markets","Educational platforms translating course content into multiple languages","Streaming platforms and media companies requiring cost-effective dubbing at scale"],"limitations":["Automatic Dubbing quality depends on translation accuracy; manual review recommended for critical content","Dubbing Studio requires manual timing and voice selection; not fully automated for complex videos","Fully managed Productions (Enterprise only) requires custom pricing and longer turnaround","Lip-sync adjustments may be limited or require manual intervention in complex scenes","Pricing for dubbing operations not clearly documented; appears to consume credits but exact rates unknown"],"requires":["ElevenLabs account with Starter tier ($6/month+) for Automatic Dubbing or Dubbing Studio","Video file in supported format (MP4, WebM, or similar; exact specs unknown)","Target language selection (29-70+ languages supported depending on TTS model)","For Dubbing Studio: web browser access to editor interface","For Productions: Enterprise tier account with custom agreement"],"input_types":["video file (MP4, WebM, or similar)","target language(s) for dubbing","optional voice selection (from voice library or cloned voices)","optional timing and sync adjustments (Dubbing Studio)"],"output_types":["dubbed video file with translated audio","video with lip-sync adjustments (if applied)","subtitle file with translated text (optional)","separate audio track (for flexible mixing)"],"categories":["text-generation-language","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_5","uri":"capability://automation.workflow.credit.based.consumption.model.with.tiered.monthly.allowances","name":"credit-based consumption model with tiered monthly allowances","description":"Implements a credit-based billing system where users purchase monthly credit allowances (10k free, 30k-6M+ paid tiers) and consume credits per operation: 1 credit per character for standard TTS models, 0.5-1 credit per character for Flash models, and per-second rates for other operations (STT, dubbing, music/sound generation). Unused credits roll over up to 2 months with active paid subscription. Extra credits can be purchased at tier-specific rates ($0.36/minute free tier, $0.17/minute pro tier). The model enables predictable monthly costs while allowing flexibility for variable usage patterns.","intents":["Understand and predict monthly costs for voice synthesis and transcription workloads","Choose the right pricing tier based on expected usage (10k-6M+ characters/month)","Optimize costs by selecting Flash models (0.5-1 credit/char) vs. standard models (1 credit/char)","Manage variable usage with credit rollover and pay-as-you-go overage options"],"best_for":["Startups and small teams with variable voice synthesis workloads","Content creators with predictable monthly usage (podcasts, audiobooks)","SaaS platforms embedding voice features and needing transparent cost attribution","Enterprises with high-volume usage requiring custom pricing and SLAs"],"limitations":["Credit consumption is linear with character count; no volume discounts within a tier (discounts only between tiers)","Per-second pricing for non-TTS operations (STT, dubbing, music) not publicly documented; requires contacting sales","Credit rollover limited to 2 months; unused credits beyond 2 months expire","No flat-rate pricing option; high-volume users may find per-character pricing more expensive than competitors' per-minute models","Free tier limited to 10k credits/month (~10 minutes of audio) and no commercial license"],"requires":["ElevenLabs account (free tier available)","Payment method for paid tiers (credit card or similar)","Understanding of expected monthly usage in characters or minutes to select appropriate tier"],"input_types":["usage metrics (characters for TTS, seconds for STT/dubbing)","tier selection (Free, Starter, Creator, Pro, Scale, Business, Enterprise)"],"output_types":["monthly invoice with credit consumption breakdown","credit balance and rollover status","overage charges for usage exceeding monthly allowance"],"categories":["automation-workflow","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_6","uri":"capability://search.retrieval.voice.library.with.10.000.pre.built.voices.and.voice.remixing","name":"voice library with 10,000+ pre-built voices and voice remixing","description":"Provides access to a curated library of 10,000+ pre-built synthetic voices across diverse characteristics (age, gender, accent, tone, emotion). Users can browse and select voices from the library for immediate use in TTS synthesis without cloning or design. Voice Remixing capability (details not fully documented) enables blending or modifying existing voices to create variations. All library voices integrate seamlessly with TTS models (v3, Multilingual v2, Flash v2.5) and consume standard per-character credits. The library is continuously expanded and updated.","intents":["Quickly select a suitable voice for TTS synthesis without voice cloning or design workflow","Explore diverse voice options (age, gender, accent, tone) to find the best fit for content","Create voice variations through remixing without requiring audio samples or manual cloning","Build applications with voice selection UI, allowing end-users to choose from diverse options"],"best_for":["Content creators wanting immediate voice options without setup overhead","Developers building voice selection features into applications","Teams experimenting with different voices for content before committing to voice cloning","Platforms enabling user-generated audio content with voice customization"],"limitations":["Voice Remixing details not documented; unclear what modifications are possible or how they affect output quality","10,000+ voices may be overwhelming without effective search/filtering; voice discovery UX not detailed","Library voices are synthetic; may not match the quality or uniqueness of cloned voices from professional voice actors","No ability to customize voice characteristics beyond selection; pitch, speed, emotion intensity controlled only through SSML or model parameters"],"requires":["ElevenLabs account with any tier (free tier includes voice library access)","API key and Python/TypeScript SDK or REST API access","Voice ID from library (obtained through browsing or API search)"],"input_types":["voice search query or filter (age, gender, accent, tone, language)","voice ID from library","optional remixing parameters (if supported)"],"output_types":["voice metadata (name, characteristics, language support)","voice ID for use in TTS synthesis","remixed voice ID (if remixing applied)"],"categories":["search-retrieval","text-generation-language"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_7","uri":"capability://text.generation.language.real.time.streaming.audio.output.with.low.latency.synthesis","name":"real-time streaming audio output with low-latency synthesis","description":"Enables streaming of synthesized audio in real-time, allowing playback to begin before the entire audio is generated. The system streams audio chunks over HTTP or WebSocket (implementation details not fully documented) with Flash v2.5 model achieving ~75ms latency (excluding network/app overhead). Streaming is compatible with all TTS models and voice options. The capability supports progressive audio playback, enabling interactive applications (voice assistants, real-time dialogue systems) and reducing perceived latency for end-users.","intents":["Build voice assistant applications with real-time speech synthesis and immediate playback","Create interactive dialogue systems where users hear responses immediately without waiting for full synthesis","Reduce perceived latency in voice-enabled applications by streaming audio as it's generated","Enable progressive audio playback in web and mobile applications using standard audio APIs"],"best_for":["Developers building voice assistant or chatbot applications","Interactive fiction and game developers requiring real-time character dialogue","Web and mobile application developers adding voice features","Real-time communication platforms (video conferencing, live streaming) adding voice synthesis"],"limitations":["Streaming latency ~75ms (Flash v2.5) excludes network and application overhead; actual end-to-end latency may be 200-500ms","Streaming implementation details not documented; unclear if HTTP streaming or WebSocket is used, or if both are supported","Streaming may not be supported for all models or voice options; documentation unclear","Client-side audio playback must handle streaming chunks; requires Web Audio API (browser) or audio framework (mobile)"],"requires":["ElevenLabs account with any tier","API key and Python/TypeScript SDK or REST API access","Client-side audio playback capability (Web Audio API, mobile audio framework, or similar)","Network connection with sufficient bandwidth for audio streaming (typically <100kbps for 128kbps audio)"],"input_types":["text input (same as standard TTS)","voice selection","streaming protocol preference (HTTP or WebSocket, if both supported)"],"output_types":["audio stream (chunks of PCM audio)","progressive playback (audio begins before synthesis completes)"],"categories":["text-generation-language","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_8","uri":"capability://text.generation.language.ssml.based.pronunciation.and.prosody.control","name":"ssml-based pronunciation and prosody control","description":"Supports SSML (Speech Synthesis Markup Language) or similar markup for fine-grained control over pronunciation, emphasis, pacing, and prosody in synthesized speech. Users can annotate text with markup tags to control how specific words or phrases are pronounced, emphasize certain words, adjust speaking rate, and control intonation. The system parses markup and applies the specified prosody modifications during synthesis. This capability enables precise control over speech output for specialized use cases (medical terminology, proper nouns, emotional emphasis).","intents":["Ensure correct pronunciation of technical terms, proper nouns, or foreign words in synthesized speech","Add emotional emphasis or dramatic timing to audiobook narration or character dialogue","Control speaking rate and pacing for accessibility (slower for learners, faster for experienced users)","Fine-tune prosody for specific domains (medical, legal, educational) where precision is critical"],"best_for":["Audiobook publishers and narrators requiring precise pronunciation control","Educational platforms synthesizing content with technical or specialized terminology","Game developers and interactive fiction authors controlling character voice delivery","Accessibility-focused applications adjusting speech rate for different user needs"],"limitations":["SSML support not fully documented; unclear which SSML tags are supported vs. custom extensions","Pronunciation control limited to markup annotations; no phoneme-level IPA input (if supported at all)","Prosody modifications may interact unpredictably with different voices or models; testing required","Markup complexity increases content preparation overhead; requires developer or content creator familiarity with SSML"],"requires":["ElevenLabs account with any tier","API key and Python/TypeScript SDK or REST API access","Knowledge of SSML syntax or ElevenLabs-specific markup format","Text content with SSML annotations"],"input_types":["text with SSML markup (e.g., <phoneme alphabet='ipa' ph='təˈmɑːtoː'>tomato</phoneme>)","prosody tags for emphasis, rate, pitch control","custom pronunciation hints (if supported)"],"output_types":["synthesized speech with applied prosody modifications","PCM audio with controlled pronunciation and pacing"],"categories":["text-generation-language","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__cap_9","uri":"capability://text.generation.language.multi.speaker.dialogue.synthesis.with.forced.alignment","name":"multi-speaker dialogue synthesis with forced alignment","description":"Enables synthesis of multi-speaker dialogue where different speakers are assigned different voices and the system maintains speaker consistency and timing alignment. Forced Alignment capability (details not fully documented) ensures that synthesized speech aligns with original timing or specified timing constraints, useful for dubbing or dialogue synchronization. The system processes dialogue with speaker labels, assigns voices per speaker, and generates synchronized audio output. This capability supports interactive narratives, audiobooks with multiple characters, and dubbed content.","intents":["Generate audiobook narration with multiple distinct character voices for dialogue-heavy content","Create interactive fiction or game dialogue with consistent character voices across scenes","Produce dubbed video content with multiple speakers maintaining original timing","Synthesize podcast or interview content with distinct voices for different speakers"],"best_for":["Audiobook publishers and authors producing dialogue-heavy narratives","Game developers and interactive fiction authors building character-driven stories","Video production teams creating dubbed content with multiple speakers","Podcast platforms automating multi-speaker content generation"],"limitations":["Forced Alignment details not documented; unclear how timing constraints are specified or enforced","Multi-speaker dialogue requires structured input with speaker labels; unstructured text requires preprocessing","Speaker voice consistency depends on voice selection; no automatic speaker-to-voice mapping","Synchronization quality may degrade with complex dialogue or rapid speaker switching"],"requires":["ElevenLabs account with any tier","API key and Python/TypeScript SDK or REST API access","Structured dialogue input with speaker labels (format not fully documented)","Voice selection for each speaker (from library, cloned, or designed voices)"],"input_types":["structured dialogue with speaker labels (e.g., 'ALICE: Hello, how are you? BOB: I'm fine, thanks.')","voice assignment per speaker","optional timing constraints for forced alignment"],"output_types":["multi-speaker audio with distinct voices per speaker","synchronized audio with timing alignment","speaker labels and timing metadata"],"categories":["text-generation-language","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"elevenlabs-api__headline","uri":"capability://voice.audio.ai.voice.generation.api","name":"ai voice generation api","description":"The ElevenLabs API offers the most realistic AI voice generation, enabling text-to-speech with advanced features like voice cloning, multilingual support, and dubbing, making it ideal for audiobooks and content creation.","intents":["best AI voice generation API","AI voice API for audiobooks","text-to-speech API for content creation","realistic voice cloning solutions","multilingual text-to-speech services"],"best_for":["content creators","audiobook producers","developers needing voice synthesis"],"limitations":["character limits per request","not open source"],"requires":["API key for access"],"input_types":["text"],"output_types":["audio"],"categories":["voice-audio"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":58,"verified":false,"data_access_risk":"high","permissions":["ElevenLabs API key (obtained from account dashboard)","Python SDK (official) or TypeScript SDK (official) or direct REST API access","Minimum 10k credits/month (free tier) or paid subscription starting at $6/month (Starter)","Audio playback capability on client side (browser Web Audio API, mobile audio framework, or file storage)","ElevenLabs account with Starter tier ($6/month) for Instant Voice Cloning or Creator tier ($11/month) for Professional Voice Cloning","Audio sample(s) in supported format (WAV, MP3, or similar; exact specs unknown)","For Professional cloning: willingness to wait for manual review and approval process","API key and Python/TypeScript SDK or REST API access","Startup status (definition unclear; likely requires incorporation and funding stage verification)","ElevenLabs account creation"],"failure_modes":["Per-request character limits (5k for v3, 10k for v2, 40k for Flash) require chunking for longer documents","Credit-based pricing model means costs scale linearly with character count; no flat-rate option for high-volume use","Emotional expressiveness varies by model; v3 is most expressive but has smallest input limit","Pronunciation controls mentioned but not detailed in API documentation; custom phoneme control may be limited","Instant Voice Cloning requires high-quality audio samples; poor audio quality degrades clone fidelity","Professional Voice Cloning involves manual review and approval, adding latency (timeline not specified)","Cloned voices consume the same per-character credits as standard voices; no discount for voice cloning","Voice cloning availability restricted by tier: Instant requires Starter ($6/month+), Professional requires Creator ($11/month+)","Eligibility criteria not documented; unclear what qualifies as a 'startup'","Application process not detailed; timeline for approval unknown","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.7,"quality":0.9,"ecosystem":0.15000000000000002,"match_graph":0.25,"freshness":0.75,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.1,"match_graph":0.28,"freshness":0.12}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-05-24T12:16:21.548Z","last_scraped_at":null,"last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=elevenlabs-api","compare_url":"https://unfragile.ai/compare?artifact=elevenlabs-api"}},"signature":"RcNUK7rgP/riLRQXCgjJeMPTkbwGS+WWcpzE33k9yiKFu5e+nqsb6eTd+rGkvLU11Rr3kn96U43XbwMj1U3fCQ==","signedAt":"2026-06-21T18:17:45.304Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/elevenlabs-api","artifact":"https://unfragile.ai/elevenlabs-api","verify":"https://unfragile.ai/api/v1/verify?slug=elevenlabs-api","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}