{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"lemonsqueezy","slug":"lemonsqueezy","name":"LemonSqueezy","type":"api","url":"https://docs.lemonsqueezy.com/api","page_url":"https://unfragile.ai/lemonsqueezy","categories":["llm-apis"],"tags":[],"pricing":{"model":"free","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"lemonsqueezy__cap_0","uri":"capability://tool.use.integration.global.payment.processing.with.merchant.of.record.model","name":"global payment processing with merchant-of-record model","description":"Processes payments across multiple currencies and payment methods (credit cards, digital wallets, bank transfers) while assuming merchant-of-record liability, meaning LemonSqueezy handles PCI compliance, payment gateway integration, and regulatory requirements on behalf of the seller. This eliminates the need for developers to integrate directly with Stripe, PayPal, or other processors and manage their own compliance burden.","intents":["I want to accept payments globally without managing PCI compliance myself","I need to support multiple payment methods and currencies without integrating each processor separately","I want to offload regulatory and tax liability to a third party"],"best_for":["SaaS founders and indie developers avoiding payment infrastructure complexity","Software companies selling internationally without dedicated payments teams","Businesses prioritizing compliance and regulatory burden reduction over payment processor control"],"limitations":["Merchant-of-record model means LemonSqueezy owns the customer relationship and payment data; limited customization of payment experience compared to direct processor integration","No direct access to raw payment processor APIs; all payment logic flows through LemonSqueezy's abstraction","Geographic coverage limited to regions where LemonSqueezy has merchant accounts; not all countries supported"],"requires":["LemonSqueezy account with verified business information","API key in live mode for production transactions","Compliance with LemonSqueezy's acceptable use policy"],"input_types":["customer payment details (card, wallet, bank account)","transaction amount and currency","product/service identifier"],"output_types":["payment confirmation with transaction ID","webhook events for payment state changes","receipt and invoice data"],"categories":["tool-use-integration","fintech-payments"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"lemonsqueezy__cap_1","uri":"capability://automation.workflow.subscription.and.recurring.billing.management","name":"subscription and recurring billing management","description":"Manages subscription lifecycle including creation, renewal, cancellation, pause/resume, and plan changes through a state machine architecture that tracks subscription status (active, paused, cancelled, expired) and automatically processes recurring charges on configured intervals. Integrates with payment processing to handle failed renewals, dunning (retry logic), and proration for mid-cycle changes.","intents":["I want to bill customers monthly or yearly without manually triggering charges","I need to handle subscription cancellations, pauses, and plan upgrades/downgrades","I want automatic retry logic when a subscription payment fails"],"best_for":["SaaS companies with recurring revenue models","Subscription box services and membership platforms","Teams needing hands-off subscription management without building billing infrastructure"],"limitations":["Subscription intervals are fixed to predefined periods (monthly, yearly, etc.); custom billing cycles require workarounds","Proration logic is opaque; limited visibility into how mid-cycle changes are calculated","Dunning/retry policies are configured at account level, not per-subscription; no per-customer retry customization"],"requires":["LemonSqueezy account with subscription products configured","Valid payment method on customer account","Webhook integration to listen for subscription state changes"],"input_types":["subscription plan identifier","customer ID","billing interval (monthly, yearly, etc.)","plan change request (upgrade/downgrade)"],"output_types":["subscription object with status, next billing date, renewal count","webhook events: subscription.created, subscription.updated, subscription.cancelled, subscription.expired","invoice data for each billing cycle"],"categories":["automation-workflow","fintech-billing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"lemonsqueezy__cap_10","uri":"capability://data.processing.analysis.customer.data.management.and.profile.storage","name":"customer data management and profile storage","description":"Stores customer information (name, email, billing address, tax ID) and maintains customer profiles that persist across transactions and subscriptions. Customer data is accessible via API and can be updated to reflect changes in billing address, tax status, or other attributes.","intents":["I want to store customer information without managing a separate customer database","I need to update customer billing address or tax ID for compliance","I want to retrieve customer history and subscription status"],"best_for":["Businesses wanting centralized customer data in a payment platform","Teams avoiding separate CRM or customer database infrastructure","Applications requiring customer data for tax compliance or billing"],"limitations":["Customer data is limited to billing-related fields; no support for custom attributes or metadata beyond standard fields","No customer segmentation or tagging for marketing purposes; customer data is purely transactional","Data retention policy is unclear; unclear how long customer data is retained after account deletion","No built-in customer search or filtering; must retrieve customers by ID or iterate through paginated lists"],"requires":["Customer email address (required for customer creation)","Billing address (required for tax calculation)"],"input_types":["customer name, email, billing address, tax ID"],"output_types":["customer object with ID, email, address, tax status","customer transaction and subscription history"],"categories":["data-processing-analysis","memory-knowledge"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"lemonsqueezy__cap_11","uri":"capability://data.processing.analysis.order.and.invoice.generation.with.downloadable.receipts","name":"order and invoice generation with downloadable receipts","description":"Automatically generates orders and invoices for each transaction, with invoice data accessible via API and downloadable as PDF. Invoices include itemized charges, tax breakdown, and customer information, and can be customized with company branding.","intents":["I want to provide customers with downloadable invoices for their purchases","I need to generate invoices for accounting and tax reporting","I want invoices to include my company branding and custom information"],"best_for":["B2B software companies requiring formal invoices","Businesses with accounting and tax reporting requirements","Companies wanting to provide professional customer receipts"],"limitations":["Invoice customization is limited to branding (logo, colors); limited ability to add custom line items or terms","Invoice generation is automatic; no ability to manually create or edit invoices","PDF download requires customer to access LemonSqueezy portal or API; no direct email delivery of invoices","Invoice numbering and format are standardized; no custom invoice numbering schemes"],"requires":["Transaction or order ID","Company branding configured in LemonSqueezy account"],"input_types":["order ID"],"output_types":["invoice object with line items, tax, total","PDF invoice file","invoice download URL"],"categories":["data-processing-analysis","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"lemonsqueezy__cap_2","uri":"capability://data.processing.analysis.automated.tax.compliance.and.calculation","name":"automated tax compliance and calculation","description":"Automatically calculates and applies sales tax, VAT, and GST based on customer location, product type, and applicable jurisdictional rules. The system maintains a database of tax rates and rules across supported regions and applies them at checkout or invoice generation time, handling tax-exempt customers and B2B scenarios where applicable.","intents":["I want to automatically calculate correct tax for each customer based on their location","I need to handle VAT/GST for EU and international customers without manual configuration","I want to track tax liability and generate tax reports by jurisdiction"],"best_for":["Software companies selling globally without dedicated tax/accounting teams","Indie developers avoiding tax compliance complexity","Businesses in high-tax-complexity regions (EU, Canada, Australia)"],"limitations":["Tax calculation is based on customer billing address; no support for shipping address-based tax in some jurisdictions","Tax rules are updated by LemonSqueezy; no real-time sync with official tax authority databases","Limited customization for edge cases (e.g., specific product tax classifications); may require manual override","Tax reporting is basic; complex multi-jurisdiction reporting may require export to accounting software"],"requires":["Customer billing address data","Product configured with appropriate tax classification","LemonSqueezy account with tax settings enabled"],"input_types":["customer location (country, state/province)","product type/category","transaction amount","customer tax exemption status (if applicable)"],"output_types":["calculated tax amount","tax rate applied","tax-inclusive or tax-exclusive total","tax report data by jurisdiction"],"categories":["data-processing-analysis","fintech-compliance"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"lemonsqueezy__cap_3","uri":"capability://tool.use.integration.license.key.generation.and.validation","name":"license key generation and validation","description":"Generates unique, cryptographically-secure license keys for software products and provides server-side validation endpoints to verify key authenticity, expiration, and usage limits. Keys can be tied to subscription status, so license validity automatically expires when a subscription ends or is cancelled.","intents":["I want to generate license keys for customers who purchase my software","I need to validate license keys in my application without calling external APIs on every startup","I want licenses to automatically expire when a subscription ends"],"best_for":["Software vendors selling perpetual licenses or time-limited licenses","Desktop or on-premise software companies needing offline license validation","SaaS companies offering downloadable tools or plugins with license keys"],"limitations":["License validation requires network connectivity for server-side checks; offline validation requires pre-caching of validation results","Key format and validation algorithm are proprietary to LemonSqueezy; no ability to generate custom key formats","No built-in support for floating licenses or concurrent user limits; only per-installation licensing","License revocation is not real-time; cached validation results may not reflect immediate revocation"],"requires":["LemonSqueezy account with license key product configured","Product ID and variant ID for key generation","Network access to LemonSqueezy validation API from customer's application"],"input_types":["customer ID","product/variant identifier","license activation request (optional)"],"output_types":["license key string (format: XXXX-XXXX-XXXX-XXXX or similar)","license metadata (expiration date, usage limits, activation count)","validation response (valid/invalid, reason for invalidity)"],"categories":["tool-use-integration","fintech-licensing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"lemonsqueezy__cap_4","uri":"capability://tool.use.integration.checkout.flow.customization.and.embedding","name":"checkout flow customization and embedding","description":"Provides pre-built, customizable checkout pages that can be embedded as iframes or opened as modal overlays, or accessed via direct URLs. Checkout flows handle product selection, customer information collection, payment processing, and post-purchase actions (license key delivery, webhook triggers) without requiring developers to build custom checkout UI.","intents":["I want a checkout page without building custom payment UI","I need to embed a checkout form directly in my website or app","I want to customize checkout branding to match my product"],"best_for":["Indie developers and small teams without frontend engineering resources","Businesses wanting fast time-to-market for payment flows","Companies prioritizing conversion over deep checkout customization"],"limitations":["Checkout UI customization is limited to branding (colors, logo, fonts); structural changes require custom implementation","Iframe embedding has limitations on mobile and in some browsers due to third-party cookie restrictions","No A/B testing or conversion optimization tools built-in; requires external analytics integration","Checkout flow logic is opaque; limited ability to customize field validation or conditional flows"],"requires":["LemonSqueezy account with products configured","Product/variant IDs to reference in checkout links","Website or app with ability to embed iframes or redirect to external URLs"],"input_types":["product ID and variant ID","customer email (optional, pre-fill)","custom metadata (affiliate ID, coupon code, etc.)","branding configuration (colors, logo)"],"output_types":["checkout URL (direct link)","iframe embed code","webhook events on checkout completion","customer and order data"],"categories":["tool-use-integration","fintech-checkout"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"lemonsqueezy__cap_5","uri":"capability://automation.workflow.webhook.event.delivery.and.retry.logic","name":"webhook event delivery and retry logic","description":"Delivers real-time webhook events for payment, subscription, and order state changes with automatic retry logic for failed deliveries. Events are signed with HMAC-SHA256 to allow verification of authenticity, and include detailed payload data about the triggering action (e.g., subscription.created, order.completed, payment.failed).","intents":["I want to be notified immediately when a customer makes a purchase or subscription changes","I need to sync customer data and subscription status with my application database","I want to trigger post-purchase workflows (send license key, grant access, send email)"],"best_for":["Applications requiring real-time synchronization with LemonSqueezy data","Developers building automated post-purchase workflows","Teams integrating LemonSqueezy with CRM, email, or fulfillment systems"],"limitations":["Webhook delivery is asynchronous and not guaranteed to be in order; events may arrive out of sequence for rapid state changes","Retry logic is automatic but opaque; no control over retry count, backoff strategy, or max retry duration","Webhook payload size is limited; large payloads may be truncated or require fetching full data via API","No webhook filtering or routing; all configured events are sent to a single endpoint"],"requires":["Public HTTPS endpoint to receive webhooks","Webhook endpoint configured in LemonSqueezy dashboard","HMAC-SHA256 verification logic in receiving application"],"input_types":["webhook event type (subscription.created, order.completed, etc.)","event payload with resource data","HMAC signature header"],"output_types":["HTTP 200 response to acknowledge receipt","application state changes (database updates, email sends, etc.)"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"lemonsqueezy__cap_6","uri":"capability://tool.use.integration.api.rate.limiting.and.quota.management","name":"api rate limiting and quota management","description":"Enforces a hard rate limit of 300 API calls per minute per account, with rate limit information returned in response headers (X-Ratelimit-Limit, X-Ratelimit-Remaining). Requests exceeding the limit receive HTTP 429 Too Many Requests responses, requiring clients to implement exponential backoff or request queuing.","intents":["I need to understand how many API calls I can make before hitting rate limits","I want to implement backoff logic to handle rate limit responses gracefully","I need to monitor my API usage to avoid hitting limits during peak traffic"],"best_for":["Developers building integrations that make frequent API calls","Applications with variable traffic patterns requiring adaptive rate limiting","Teams monitoring API usage and quota consumption"],"limitations":["Rate limit is fixed at 300 calls/minute per account; no ability to request higher limits or tiered rate limiting","No per-endpoint rate limiting; a single expensive operation counts the same as a lightweight query","Rate limit resets on a fixed minute boundary; no sliding window, so burst traffic near reset time may cause issues","No quota management tools in dashboard; rate limit headers are the only way to monitor usage"],"requires":["API key for authentication","HTTP client capable of reading response headers","Backoff/retry logic in application code"],"input_types":["API request"],"output_types":["X-Ratelimit-Limit header (300)","X-Ratelimit-Remaining header (remaining calls in current minute)","HTTP 429 response on limit exceeded"],"categories":["tool-use-integration","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"lemonsqueezy__cap_7","uri":"capability://tool.use.integration.test.mode.and.live.mode.api.key.separation","name":"test mode and live mode api key separation","description":"Provides separate API keys for test and live modes, allowing developers to build and test integrations against a sandbox environment without affecting production transactions. Test mode uses the same API endpoints but processes requests against test data and does not charge real payment methods.","intents":["I want to test my integration without processing real payments","I need to verify subscription and license key flows before going live","I want to safely experiment with API changes without affecting production"],"best_for":["Developers building LemonSqueezy integrations","Teams with CI/CD pipelines requiring automated testing against payment APIs","Businesses wanting to validate checkout flows before launch"],"limitations":["Test mode data is isolated from live mode; test transactions do not appear in live reports or analytics","Test payment methods are limited to specific test card numbers and tokens; real payment method testing is not possible","Test mode webhooks are delivered to the same endpoint as live mode; requires application logic to distinguish test vs live events","Test data retention policy is unclear; test transactions may be purged after a period"],"requires":["LemonSqueezy account with test mode API key generated","Test mode key must be explicitly created in dashboard"],"input_types":["test mode API key"],"output_types":["test transactions and orders","test webhook events","test customer and subscription data"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"lemonsqueezy__cap_8","uri":"capability://tool.use.integration.multi.language.sdk.support.with.official.javascript.and.laravel.packages","name":"multi-language sdk support with official javascript and laravel packages","description":"Provides official SDKs for JavaScript (@lmsqueezy/lemonsqueezy.js) and Laravel (@lmsqueezy/laravel) with type definitions, error handling, and convenience methods for common operations. Community SDKs exist for Go, Ruby, Rust, Swift, Python, PHP, Elixir, and Java, enabling integration across diverse tech stacks.","intents":["I want to integrate LemonSqueezy without manually constructing HTTP requests","I need type-safe API calls with IDE autocomplete and error handling","I want to use LemonSqueezy in my existing tech stack (Node.js, Laravel, Python, etc.)"],"best_for":["JavaScript/Node.js developers building SaaS applications","Laravel developers integrating billing into existing applications","Teams using diverse tech stacks requiring SDKs in multiple languages"],"limitations":["Only JavaScript and Laravel SDKs are officially maintained; community SDKs may lag behind API updates or have inconsistent quality","Official SDKs are relatively new (based on GitHub star counts); may lack some advanced features or have undocumented edge cases","No Python official SDK; Python integration requires using community package (mthli/lemonsqueepy) or raw HTTP requests","SDK documentation may be incomplete; raw API documentation is the source of truth"],"requires":["Node.js 14+ (for JavaScript SDK)","Laravel 8+ (for Laravel SDK)","Package manager (npm, yarn, composer, etc.)"],"input_types":["API credentials (API key)","resource identifiers (product ID, customer ID, etc.)","request parameters (filters, pagination, etc.)"],"output_types":["typed response objects","error objects with detailed messages","pagination metadata"],"categories":["tool-use-integration","code-generation-editing"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"lemonsqueezy__cap_9","uri":"capability://tool.use.integration.backwards.compatible.api.versioning.with.major.version.prefixes","name":"backwards-compatible api versioning with major version prefixes","description":"Uses major version prefixes in API endpoints (e.g., /v1) and maintains backwards compatibility by allowing new resources, optional parameters, and response properties to be added without breaking existing integrations. Breaking changes trigger a new major version with a deprecation period for the old version.","intents":["I want to upgrade to new API features without breaking my existing integration","I need to know when breaking changes are coming so I can plan upgrades","I want to avoid constant refactoring due to API changes"],"best_for":["Production applications requiring API stability","Teams with limited engineering resources for frequent API upgrades","Businesses wanting predictable API evolution"],"limitations":["Breaking changes still require migration to a new major version; no infinite backwards compatibility","Deprecation period for old versions is not specified; unclear how long v1 will be supported if v2 is released","New response properties may be added without notice; applications must ignore unknown fields to remain compatible","Property order changes are acceptable, so applications relying on field order may break"],"requires":["API client that ignores unknown response properties","Monitoring of API changelog for deprecation notices"],"input_types":["API requests to versioned endpoints"],"output_types":["responses with backwards-compatible structure"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"lemonsqueezy__headline","uri":"capability://tool.use.integration.all.in.one.payments.and.billing.api.for.software.companies","name":"all-in-one payments and billing api for software companies","description":"LemonSqueezy is an all-in-one payments and billing API designed specifically for software companies, offering features like global tax compliance, subscription management, and license key generation.","intents":["best payments API","billing API for software companies","subscription management API","API for global tax compliance","checkout flow API for software"],"best_for":["software companies","subscription services"],"limitations":[],"requires":["API key"],"input_types":[],"output_types":[],"categories":["tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":58,"verified":false,"data_access_risk":"high","permissions":["LemonSqueezy account with verified business information","API key in live mode for production transactions","Compliance with LemonSqueezy's acceptable use policy","LemonSqueezy account with subscription products configured","Valid payment method on customer account","Webhook integration to listen for subscription state changes","Customer email address (required for customer creation)","Billing address (required for tax calculation)","Transaction or order ID","Company branding configured in LemonSqueezy account"],"failure_modes":["Merchant-of-record model means LemonSqueezy owns the customer relationship and payment data; 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