{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"clearbit-api","slug":"clearbit-api","name":"Clearbit API","type":"api","url":"https://clearbit.com","page_url":"https://unfragile.ai/clearbit-api","categories":["llm-apis"],"tags":[],"pricing":{"model":"free","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"clearbit-api__cap_0","uri":"capability://data.processing.analysis.email.to.person.enrichment.lookup","name":"email-to-person-enrichment-lookup","description":"Accepts an email address as input and returns enriched person data including social profiles, contact information, and professional attributes. The system performs real-time lookups against Clearbit's proprietary database of person records, matching email addresses to aggregated profile data from public sources and third-party integrations. Returns structured JSON containing verified contact details, social media handles, job titles, and employment history.","intents":["I need to enrich a lead's email with their LinkedIn profile and social handles for personalization","I want to verify if an email address belongs to a real person and get their professional background","I need to bulk enrich a list of email addresses with person-level attributes for lead scoring"],"best_for":["B2B SaaS companies building lead enrichment pipelines","Sales development teams qualifying inbound leads","Marketing automation platforms integrating contact intelligence"],"limitations":["Coverage varies by region and email domain; corporate email addresses have higher match rates than personal emails","Data freshness depends on source updates; social profile changes may lag 24-48 hours","No guarantee of match for every email; unmatched records return null or partial data","Rate limits apply per API tier; batch processing may require async handling for large lists"],"requires":["Valid Clearbit API key (obtained from account dashboard)","Email address in standard RFC 5322 format","HTTPS connectivity to Clearbit API endpoints"],"input_types":["email address (string)","optional: first_name, last_name for disambiguation"],"output_types":["JSON object with person attributes","social profiles (LinkedIn, Twitter, GitHub URLs)","employment data (current company, job title, seniority level)"],"categories":["data-processing-analysis","lead-enrichment"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"clearbit-api__cap_1","uri":"capability://data.processing.analysis.domain.to.company.enrichment.lookup","name":"domain-to-company-enrichment-lookup","description":"Accepts a company domain (e.g., acme.com) or company identifier and returns comprehensive firmographic and technographic data including employee count, funding history, industry classification, technology stack, and corporate hierarchy. The system queries Clearbit's company database which aggregates data from SEC filings, job boards, technology tracking services, and web crawling to build a unified company profile. Returns structured JSON with 50+ company attributes including NAICS/GICS/SIC codes, parent/subsidiary relationships, and detected technology vendors.","intents":["I need to enrich a domain with company size, funding, and industry to qualify accounts for ABM campaigns","I want to identify what technologies a company uses to target relevant product solutions","I need to map corporate hierarchies to understand parent companies and subsidiaries for deal routing"],"best_for":["Account-based marketing teams building target account lists","Sales intelligence platforms enriching company data","Product teams identifying technology adoption patterns"],"limitations":["Coverage is strongest for US and Western European companies; emerging markets have lower data density","Employee count estimates may lag actual headcount by 1-3 months due to source update frequency","Technology detection relies on web signals and job postings; private/internal tool usage is not captured","Funding data is limited to announced rounds; bootstrapped or pre-seed companies may have incomplete records"],"requires":["Valid Clearbit API key","Company domain in standard format (e.g., example.com) or company name with optional country","HTTPS connectivity to Clearbit API endpoints"],"input_types":["domain (string, e.g., 'acme.com')","optional: company name, country for disambiguation"],"output_types":["JSON object with 50+ company attributes","firmographics (size, revenue, funding, industry codes)","technographics (detected technology vendors and versions)","organizational data (parent company, subsidiaries, executives)"],"categories":["data-processing-analysis","company-intelligence"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"clearbit-api__cap_10","uri":"capability://data.processing.analysis.employee.count.and.headcount.estimation","name":"employee-count-and-headcount-estimation","description":"Provides estimated employee counts for companies based on aggregated data from job boards, LinkedIn, company filings, and web sources. The system analyzes hiring patterns, job postings, LinkedIn employee counts, and SEC filings to estimate current headcount and historical growth trends. Returns estimated employee count ranges (e.g., '100-500 employees') with confidence scores and data freshness indicators. Enables company size-based targeting and analysis of hiring trends.","intents":["I want to identify mid-market companies (100-500 employees) for targeted enterprise sales outreach","I need to analyze hiring trends to identify companies in growth mode for partnership opportunities","I want to segment my target accounts by company size to personalize sales messaging"],"best_for":["Sales teams targeting companies by size segment","Marketing teams analyzing company growth and hiring trends","Product teams understanding market size by company segment"],"limitations":["Employee count estimates may lag actual headcount by 1-3 months due to source update frequency","Estimates are provided as ranges (e.g., '100-500') rather than exact counts; precision varies by company size","Private companies have less accurate estimates due to lower disclosure; public companies are more accurate","Rapid hiring or layoffs may not be reflected immediately in estimates"],"requires":["Valid Clearbit API key","Company domain or company name for lookup","HTTPS connectivity to Clearbit API endpoints"],"input_types":["company domain (string) or company name"],"output_types":["JSON object with employee count data","estimated employee count range (min-max), confidence score","historical employee count trend (optional)"],"categories":["data-processing-analysis","company-sizing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"clearbit-api__cap_11","uri":"capability://automation.workflow.webhook.based.real.time.event.notifications","name":"webhook-based-real-time-event-notifications","description":"Sends real-time webhook notifications when enrichment data changes or new data becomes available for monitored companies. The system tracks changes to company data (funding announcements, technology stack changes, employee count updates, executive changes) and delivers webhook payloads to a configured endpoint when changes are detected. Enables reactive workflows such as triggering sales outreach when a target company raises funding or changes technology stack. Webhook payloads include the changed data, change type, and timestamp.","intents":["I want to trigger a sales outreach workflow when a target company raises funding","I need to monitor for technology stack changes to identify companies switching from competitors to our platform","I want to be notified when key executives join companies on my target account list"],"best_for":["Sales teams implementing trigger-based outreach workflows","Marketing teams automating account-based marketing campaigns based on company events","Operations teams monitoring target accounts for significant changes"],"limitations":["Webhook delivery is not guaranteed; requires retry logic and idempotency handling on client side","Change detection latency depends on source update frequency; some changes may be detected with 24-48 hour delay","Webhook payload size may be large for companies with many changes; requires pagination or filtering","Webhook configuration and management requires API access; no UI for webhook management (unknown from documentation)"],"requires":["Valid Clearbit API key with webhook tier enabled","Public HTTPS endpoint for webhook delivery (must accept POST requests)","Webhook signature verification (HMAC-SHA256 or similar) for security","Retry logic and idempotency handling on client side"],"input_types":["company domain or company ID to monitor","webhook event types to subscribe to (funding, technology, executives, etc.)"],"output_types":["JSON webhook payload with changed data","event type, timestamp, company identifier, changed fields"],"categories":["automation-workflow","event-driven-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"clearbit-api__cap_12","uri":"capability://tool.use.integration.crm.and.marketing.automation.native.integrations","name":"crm-and-marketing-automation-native-integrations","description":"Provides native integrations with popular CRM and marketing automation platforms (Salesforce, HubSpot, Marketo, Pipedrive) that automatically enrich contact and company records without requiring custom API development. The system uses OAuth-based authentication to connect to CRM/marketing automation accounts, then automatically enriches records as they are created or updated. Enriched data is written back to custom fields in the CRM, enabling sales and marketing teams to access enrichment data directly in their workflow tools. Integrations support both real-time enrichment (on record creation) and batch enrichment (of historical records).","intents":["I want to automatically enrich Salesforce contacts with company data when they are created without custom development","I need to bulk enrich all existing HubSpot contacts with technographic data in a single operation","I want to keep enrichment data in sync with my CRM as company information changes"],"best_for":["Sales and marketing teams using Salesforce, HubSpot, Marketo, or Pipedrive","Operations teams managing CRM data quality and enrichment","Teams seeking to avoid custom API development for enrichment workflows"],"limitations":["Native integrations are limited to supported CRM platforms; custom CRM systems require API development","Enrichment data is written to predefined custom fields; field mapping may require configuration","Real-time enrichment adds latency to record creation workflows (typically 200-500ms per record)","Batch enrichment may be rate-limited by CRM API quotas; large enrichment jobs may require multiple runs"],"requires":["Valid Clearbit API key","Supported CRM/marketing automation account (Salesforce, HubSpot, Marketo, Pipedrive)","OAuth permissions to read/write contact and company records in CRM","Custom fields in CRM to store enrichment data (may be auto-created by integration)"],"input_types":["CRM contact/company records (via OAuth integration)"],"output_types":["enriched CRM records with company and person data written to custom fields"],"categories":["tool-use-integration","crm-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"clearbit-api__cap_2","uri":"capability://data.processing.analysis.ip.address.to.company.identification","name":"ip-address-to-company-identification","description":"Accepts an IP address (typically from website visitor tracking) and returns the company associated with that IP, enabling real-time identification of which organizations are visiting your website. The system performs IP geolocation and reverse DNS lookups against a database of corporate IP ranges and ASN mappings to identify the originating company. Returns company name, industry, employee count, and other firmographic attributes for identified visitors. Integrates with website tracking via JavaScript snippet to capture visitor IP and enrich in real-time.","intents":["I want to identify which companies are visiting my website in real-time to prioritize sales outreach","I need to build a visitor dashboard showing company-level traffic patterns and buying intent signals","I want to trigger alerts when target accounts from my ABM list visit our website"],"best_for":["B2B SaaS companies implementing account-based marketing","Sales teams seeking real-time visitor identification for immediate outreach","Marketing teams analyzing company-level website engagement patterns"],"limitations":["Only identifies company IP ranges; home/mobile IP addresses cannot be reliably mapped to companies","Accuracy depends on IP database freshness; corporate IP changes may lag detection by hours to days","VPN and proxy usage masks true originating IP, resulting in false identifications or no match","Privacy regulations (GDPR, CCPA) restrict tracking and storage of visitor IP data in some jurisdictions"],"requires":["Valid Clearbit API key","JavaScript snippet embedded in website (for automatic IP capture)","Visitor IP address (IPv4 or IPv6)","Compliance with local privacy regulations for IP tracking"],"input_types":["IP address (IPv4 or IPv6 string)","optional: user agent, referrer for additional context"],"output_types":["JSON object with identified company data","company name, domain, industry, employee count","confidence score indicating match certainty"],"categories":["data-processing-analysis","visitor-intelligence"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"clearbit-api__cap_3","uri":"capability://planning.reasoning.real.time.lead.scoring.and.routing","name":"real-time-lead-scoring-and-routing","description":"Evaluates incoming leads against a customizable Ideal Customer Profile (ICP) in real-time, assigning a score and routing recommendation based on company fit and person-level attributes. The system combines enriched company data (size, industry, technology stack, funding) with person attributes (job title, seniority, department) and applies rule-based or ML-based scoring logic to determine lead quality. Scores are returned as numeric values (0-100) with routing recommendations (e.g., 'route to sales', 'nurture in marketing', 'disqualify'). Integrates with CRM and marketing automation platforms via API or webhook.","intents":["I want to automatically score and route leads based on company size, industry, and job title to prioritize sales efforts","I need to filter out low-quality leads before they reach my sales team to improve conversion rates","I want to customize lead scoring rules based on my specific ICP and update them without code changes"],"best_for":["B2B SaaS companies with defined ICPs and complex lead routing workflows","Sales operations teams managing high-volume lead distribution","Marketing teams optimizing lead quality and sales efficiency"],"limitations":["Scoring accuracy depends on quality and completeness of enriched data; missing attributes reduce confidence","Rule-based scoring requires manual ICP definition and maintenance; ML-based scoring requires historical training data","Real-time scoring adds latency (typically 200-500ms per lead) to lead capture workflows","Scoring rules are static snapshots; market changes or ICP shifts require manual rule updates"],"requires":["Valid Clearbit API key with lead scoring tier enabled","Defined Ideal Customer Profile (ICP) with scoring rules or ML training data","Lead data including company domain and/or email address for enrichment","Integration with CRM or marketing automation platform for routing"],"input_types":["lead object with company domain, email, first_name, last_name","optional: custom attributes for rule-based scoring"],"output_types":["JSON object with lead score (0-100)","routing recommendation (string)","confidence score and scoring breakdown by attribute"],"categories":["planning-reasoning","lead-qualification"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"clearbit-api__cap_4","uri":"capability://automation.workflow.dynamic.form.field.reduction.via.enrichment","name":"dynamic-form-field-reduction-via-enrichment","description":"Automatically reduces form fields on web pages based on pre-enriched company and person data, improving conversion rates by eliminating redundant questions. When a visitor lands on a form, Clearbit's JavaScript snippet identifies the company (via IP) and/or person (via email if provided), then queries the enrichment API to retrieve known attributes (company name, size, industry, job title, etc.). The form dynamically hides fields that are already known and pre-fills others, reducing form friction. Integrates with popular form builders (HubSpot, Marketo, Unbounce) via native plugins or custom JavaScript.","intents":["I want to reduce form abandonment by hiding fields we already know about the visitor's company","I need to pre-fill company information automatically to speed up form completion","I want to show different form fields based on company size or industry to improve data quality"],"best_for":["B2B marketing teams optimizing form conversion rates","Companies with high-volume lead capture forms (webinars, trials, demos)","Marketing automation platforms seeking to improve lead quality without friction"],"limitations":["Form field reduction only works for visitors from corporate IP addresses; home/mobile users see full forms","Requires JavaScript execution in browser; blocked by strict CSP policies or ad blockers may prevent enrichment","Pre-fill accuracy depends on enrichment match quality; incorrect company identification leads to wrong pre-fills","GDPR/CCPA compliance requires explicit consent for IP-based visitor tracking and data pre-fill"],"requires":["Valid Clearbit API key with form integration enabled","JavaScript snippet embedded in website (Clearbit provides hosted snippet)","Form platform with API or custom JavaScript support (HubSpot, Marketo, Unbounce, custom HTML)","Visitor consent for IP-based tracking (GDPR/CCPA compliance)"],"input_types":["visitor IP address (captured client-side)","optional: visitor email address (if provided in form)"],"output_types":["JSON object with enriched company/person attributes","form field visibility rules (hide/show/pre-fill instructions)","pre-fill values for form fields"],"categories":["automation-workflow","form-optimization"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"clearbit-api__cap_5","uri":"capability://data.processing.analysis.batch.company.enrichment.processing","name":"batch-company-enrichment-processing","description":"Processes large lists of company domains or identifiers in batch mode, returning enriched company data for all records in a single request or asynchronous job. The system accepts CSV, JSON, or API batch uploads containing company domains or names, queues them for processing, and returns results via download link or webhook callback. Batch processing enables cost-effective enrichment of thousands of records without hitting real-time API rate limits. Results are returned in the same format as single-record enrichment, with additional fields indicating match confidence and data freshness.","intents":["I need to enrich a list of 10,000 company domains for an ABM campaign without hitting API rate limits","I want to bulk import company data into my CRM with enriched firmographic and technographic attributes","I need to process historical company records in batch to backfill missing enrichment data"],"best_for":["Marketing teams building large target account lists for ABM","Sales operations teams bulk-importing company data into CRM systems","Data teams performing periodic enrichment of historical records"],"limitations":["Batch processing introduces latency (typically 1-24 hours depending on queue depth) vs real-time API","Large batch jobs may timeout or require splitting into smaller chunks (exact limits unknown from documentation)","Results are returned asynchronously; requires polling or webhook integration to retrieve results","Batch pricing may differ from per-request pricing; volume discounts apply but exact tiers unknown"],"requires":["Valid Clearbit API key with batch processing tier enabled","Company data in CSV or JSON format with domain or company name fields","Webhook endpoint or polling mechanism to retrieve results","Storage for batch results (download link or webhook delivery)"],"input_types":["CSV or JSON file with company domains or names","optional: additional fields for disambiguation (country, industry)"],"output_types":["CSV or JSON file with enriched company data","same attributes as single-record enrichment (firmographics, technographics, etc.)","match confidence scores and data freshness indicators"],"categories":["data-processing-analysis","batch-processing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"clearbit-api__cap_6","uri":"capability://data.processing.analysis.technographic.technology.stack.detection","name":"technographic-technology-stack-detection","description":"Identifies and catalogs the technology vendors and tools used by a company, including SaaS platforms, infrastructure services, programming languages, and development frameworks. The system uses web crawling, DNS analysis, job posting analysis, and technology fingerprinting (similar to BuiltWith) to detect technologies deployed on company websites and inferred from hiring patterns. Returns a structured list of detected technologies with vendor names, categories (e.g., 'CRM', 'Analytics', 'Infrastructure'), and confidence scores. Enables targeting of companies based on technology adoption (e.g., 'companies using Salesforce and Slack').","intents":["I want to identify companies using a specific competitor's product to target them with our alternative solution","I need to find companies with a particular tech stack (e.g., AWS + React + Node.js) for product-market fit analysis","I want to segment my target accounts by technology adoption to personalize sales messaging"],"best_for":["B2B SaaS companies selling to technology teams (developers, DevOps, CTOs)","Sales teams targeting companies with specific technology stacks","Product teams analyzing technology adoption patterns in their market"],"limitations":["Detection relies on public signals (website code, job postings, DNS records); internal/private tools are not detected","Accuracy varies by technology type; popular SaaS platforms are detected with high confidence, while niche tools may be missed","Technology detection lags actual adoption by weeks to months due to source update frequency","No visibility into technology versions or deployment details; only presence/absence is detected"],"requires":["Valid Clearbit API key","Company domain for technology scanning","HTTPS connectivity to Clearbit API endpoints"],"input_types":["company domain (string)"],"output_types":["JSON array of detected technologies","technology name, vendor, category, confidence score","optional: first detected date, last updated date"],"categories":["data-processing-analysis","market-intelligence"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"clearbit-api__cap_7","uri":"capability://data.processing.analysis.funding.and.financial.data.enrichment","name":"funding-and-financial-data-enrichment","description":"Returns company funding history, including funding rounds, amounts, investors, and valuation estimates. The system aggregates data from SEC filings, Crunchbase, PitchBook, and other financial data sources to build a comprehensive funding timeline. Returns structured data including Series A/B/C round details, investor names, funding amounts, and estimated company valuation. Enables targeting of companies at specific funding stages (e.g., 'Series B companies in the fintech space') for sales and partnership outreach.","intents":["I want to identify Series B+ companies in my target market for enterprise sales outreach","I need to find companies that recently raised funding to prioritize them as high-intent leads","I want to analyze funding trends in my industry to understand market dynamics and competitor positioning"],"best_for":["Enterprise sales teams targeting well-funded companies","Venture capital and private equity firms conducting market research","Product teams analyzing funding trends in their market segment"],"limitations":["Funding data is limited to announced rounds; bootstrapped, pre-seed, or private companies have incomplete records","Valuation estimates are derived from funding rounds and may be outdated; actual current valuations are not provided","Data freshness depends on source updates; recent funding announcements may lag 1-2 weeks","International funding data is less complete than US-focused data due to lower disclosure requirements"],"requires":["Valid Clearbit API key","Company domain or company name for lookup","HTTPS connectivity to Clearbit API endpoints"],"input_types":["company domain (string) or company name"],"output_types":["JSON object with funding history","funding rounds array with date, amount, investors, round type (Series A, B, C, etc.)","estimated valuation, total funding raised"],"categories":["data-processing-analysis","financial-intelligence"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"clearbit-api__cap_8","uri":"capability://data.processing.analysis.corporate.hierarchy.and.subsidiary.mapping","name":"corporate-hierarchy-and-subsidiary-mapping","description":"Identifies parent companies, subsidiaries, and corporate relationships for a given company, enabling understanding of complex organizational structures. The system uses SEC filings, business registration databases, and web crawling to map corporate hierarchies and identify ownership relationships. Returns structured data including parent company name/domain, subsidiary list, acquisition history, and ownership percentages. Enables routing of deals to the correct legal entity and understanding of decision-making authority within corporate groups.","intents":["I need to identify the parent company of a subsidiary to route a deal to the correct decision-maker","I want to find all subsidiaries of a company to build a comprehensive account list for ABM","I need to understand acquisition history to identify recently acquired companies for targeted outreach"],"best_for":["Enterprise sales teams managing complex corporate accounts","Account-based marketing teams building comprehensive account hierarchies","Deal routing systems requiring accurate legal entity identification"],"limitations":["Hierarchy data is limited to publicly disclosed relationships; private ownership structures may be incomplete","Acquisition history lags actual transactions by weeks to months due to source update frequency","International subsidiaries and complex holding company structures may be incomplete or inaccurate","Ownership percentages are estimates based on available data; exact percentages may not be disclosed"],"requires":["Valid Clearbit API key","Company domain or company name for lookup","HTTPS connectivity to Clearbit API endpoints"],"input_types":["company domain (string) or company name"],"output_types":["JSON object with corporate hierarchy","parent company name/domain, ownership percentage","subsidiaries array with names and domains","acquisition history with dates and acquiring company"],"categories":["data-processing-analysis","organizational-intelligence"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"clearbit-api__cap_9","uri":"capability://data.processing.analysis.industry.classification.and.standardization","name":"industry-classification-and-standardization","description":"Assigns standardized industry classifications to companies using multiple taxonomies including NAICS (North American Industry Classification System), GICS (Global Industry Classification Standard), and SIC (Standard Industrial Classification) codes. The system analyzes company descriptions, business activities, and revenue sources to determine the most appropriate industry classification. Returns structured data with primary and secondary industry codes, enabling consistent industry-based segmentation and analysis across datasets.","intents":["I want to segment my target accounts by industry using standardized NAICS codes for consistent reporting","I need to identify companies in specific industries (e.g., 'Financial Services') for targeted campaigns","I want to analyze market trends by industry to understand which sectors are growing"],"best_for":["Sales teams segmenting accounts by industry vertical","Marketing teams analyzing industry-specific trends and opportunities","Data teams standardizing industry classification across datasets"],"limitations":["Classification accuracy depends on company description quality; companies with vague descriptions may be misclassified","Multi-industry companies are assigned primary and secondary classifications; no support for weighted industry distribution","NAICS/GICS/SIC taxonomies are updated infrequently (annually); new industry categories may not be reflected immediately","International companies may not have accurate NAICS classifications (US-focused taxonomy)"],"requires":["Valid Clearbit API key","Company domain or company name for classification","HTTPS connectivity to Clearbit API endpoints"],"input_types":["company domain (string) or company name"],"output_types":["JSON object with industry classifications","NAICS code and description, GICS code and description, SIC code and description","primary and secondary industry classifications"],"categories":["data-processing-analysis","data-standardization"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"clearbit-api__headline","uri":"capability://data.processing.analysis.business.intelligence.api.for.company.and.person.enrichment","name":"business intelligence api for company and person enrichment","description":"Clearbit API provides real-time business intelligence data, enriching company and person profiles with firmographics, technographics, and social profiles, essential for lead qualification and sales intelligence.","intents":["best business intelligence API","API for lead qualification","real-time company enrichment API","person enrichment API for sales","API for firmographic data","API for social profile enrichment"],"best_for":["sales teams","marketing professionals"],"limitations":[],"requires":[],"input_types":["email addresses","domains"],"output_types":["company data","person data"],"categories":["data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":58,"verified":false,"data_access_risk":"high","permissions":["Valid Clearbit API key (obtained from account dashboard)","Email address in standard RFC 5322 format","HTTPS connectivity to Clearbit API endpoints","Valid Clearbit API key","Company domain in standard format (e.g., example.com) or company name with optional country","Company domain or company name for lookup","Valid Clearbit API key with webhook tier enabled","Public HTTPS endpoint for webhook delivery (must accept POST requests)","Webhook signature verification (HMAC-SHA256 or similar) for security","Retry logic and idempotency handling on client side"],"failure_modes":["Coverage varies by region and email domain; corporate email addresses have higher match rates than personal emails","Data freshness depends on source updates; social profile changes may lag 24-48 hours","No guarantee of match for every email; unmatched records return null or partial data","Rate limits apply per API tier; batch processing may require async handling for large lists","Coverage is strongest for US and Western European companies; emerging markets have lower data density","Employee count estimates may lag actual headcount by 1-3 months due to source update frequency","Technology detection relies on web signals and job postings; private/internal tool usage is not captured","Funding data is limited to announced rounds; bootstrapped or pre-seed companies may have incomplete records","Estimates are provided as ranges (e.g., '100-500') rather than exact counts; precision varies by company size","Private companies have less accurate estimates due to lower disclosure; public companies are more accurate","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":"2026-05-24T12:16:21.547Z","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=clearbit-api","compare_url":"https://unfragile.ai/compare?artifact=clearbit-api"}},"signature":"318vZ+qDW3Vzf6S685Ggc5yLOGUjODOhdHOZq81xBHBEo4ygu1iZCaJcgkcJ33R9vN7GS0YUHal96bxIyEa4AA==","signedAt":"2026-06-20T11:02:17.896Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/clearbit-api","artifact":"https://unfragile.ai/clearbit-api","verify":"https://unfragile.ai/api/v1/verify?slug=clearbit-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"}}