Agent-ready SDKs and API clients
874 verified SDKs and API clients sites, 304 of them transactable — every one probed live, with the date it was checked. Figures generated 27 Sep 2026 16:27 UTC
Checks passed across the 926 probed hosts: Markdown negotiation 733 · Markdown twin at a predictable URL 682 · llms.txt 878 · API catalog 91 · MCP server card answers 812.
✓Grantex docs.grantex.dev
Grantex is an open-source delegated authorization protocol providing scoped, time-limited permissions, verifiable identity, and audit records for AI agents.
also in AI agents✓Ground docs.groundtech.co
Documentation for Ground's portfolio wallets API enabling multi-strategy yield allocation, automated rebalancing, and stablecoin deposits and withdrawals.
also in blockchain and web3✓MoonPay Commerce docs.hel.io
Documentation for MoonPay Commerce, enabling global crypto payments integration with APIs, SDKs, and no-code options.
also in payments✓Helicone OSS LLM Observability docs.helicone.ai
Documentation for Helicone's AI Gateway providing unified API access to 100+ LLM models with automatic logging and observability.
also in AI agents✓Hey Chocolate docs.heychocolate.com
Hey Chocolate is a headless Sustainability Intelligence Engine offering a GraphQL API to transform environmental data into commercial assets.
also in food and drink retail✓HirePass docs.hirepass.com
HirePass provides detailed documentation and guides for their GraphQL API to manage HR compliance integrations.
also in security and identity✓Theo API Docs docs.hitheo.ai
Documentation for Theo AI orchestration API including API reference, SDK, skills, CLI, and IDE integration guides.
also in AI agents✓Hooked API Documentation docs.hooked.so
Hooked API enables programmatic creation of AI-powered videos with realistic avatars and natural voices via a REST API.
also in generative media✓Hoox API Documentation docs.hoox.video
Hoox API enables programmatic video creation with AI, including voiceovers, avatars, and media integration.
also in generative media✓HydraDB SDK docs.hydradb.com
HydraDB SDK provides a unified context substrate for AI, enabling personalized context delivery and memory for scalable AI agents.
also in AI agents✓Hyperlane Docs docs.hyperlane.xyz
Hyperlane Docs provides tools, guides, and references for building cross-chain blockchain applications.
also in blockchain and web3✓Hypersender docs.hypersender.com
Hypersender provides API documentation for sending messages via WhatsApp and SMS, including setup and usage instructions.
also in email and messaging✓Hyperspell docs.hyperspell.com
Documentation for integrating Hyperspell SDKs to provide AI agents with context and memory across workspace accounts.
also in AI agents✓Ibantrack API docs.ibantrack.com
Ibantrack API provides real-time IBAN holder name verification across the SEPA zone via a REST API to prevent payment errors and fraud.
also in payments✓Impulse Labs docs.impulselabs.ai
Documentation for Impulse Labs API to train machine learning models and call them via REST API.
also in AI agents✓IndiePitcher docs.indiepitcher.com
IndiePitcher provides documentation for sending transactional and marketing emails via SDKs, REST API, and SMTP for startups.
also in email and messaging✓IonQ Quantum Cloud Documentation docs.ionq.com
Developer documentation for IonQ Quantum Cloud including SDKs, API reference, guides, and user manuals for quantum computing.
also in technology✓Ip2Geo docs.ip2geo.dev
Technical documentation for Ip2Geo platform to convert IP addresses to geolocation data using API and SDK with account setup instructions.
also in search and data APIs✓iroh docs.iroh.computer
Documentation for iroh, a networking library establishing direct and relay connections with end-to-end encryption using QUIC.
also in community and nonprofits✓Massive docs.joinmassive.com
Massive Network is a global edge network used to monitor internet performance, gather business intelligence, and detect fraud and malware.
also in cloud and hosting✓Joyfill Documentation docs.joyfill.io
Joyfill provides embeddable form builder SDKs and APIs for web and mobile applications to build and fill forms and PDFs.
also in construction and roofing✓Joyride Docs docs.joyride.exchange
Documentation for Joyride's 0DTE options exchange on Solana, including API references and SDK integration guides.
also in blockchain and web3✓Juicyway API docs.juicyway.com
Developer documentation for Juicyway API enabling secure payment processing via multiple methods including cards, bank, and crypto transfers.
also in payments✓Junction docs.junction.com
Documentation for Junction API integrating wearables, lab testing, and device data across the US with developer guides and API references.
also in analytics and observability✓Kadoa Documentation docs.kadoa.com
Kadoa provides documentation for automating web scraping at scale using AI agents that extract, transform, and integrate data from websites.
also in search and data APIsMore in Developer APIs & infrastructure: payments · e-signatures · AI agents · conversational and voice AI · generative media · blockchain and web3 · email and messaging · search and data APIs · analytics and observability · databases and storage · cloud and hosting · security and identity · extensions and plugins · embedded devices and firmware · programming languages and frameworks · build and test tooling · developer platforms · ecommerce infrastructure