Explore APIs
16,807 OpenAPI descriptions. Read the docs, compare revisions or generate a client.
Collections
New this month
7,384 APIs added in the last 30 days.
The biggest APIs
The APIs with the most operations.
Most active
Most new revisions in the last 90 days.
All APIs
16,807- LE187 operations5 revisionsLeadsforge API@leadsforge/leadsforge-api
B2B lead generation: find emails, enrich contacts and companies, search prospects, export lists to CSV or HubSpot
- KI87 operations3 revisionsKit API@kit/kit-api
Email marketing: manage subscribers, broadcasts, sequences, forms, tags and purchases
- KR135 operations533 revisionsKrea API@krea/krea-api
AI generation: create images, video, 3D models and audio, plus enhance and upscale media
- TH1,279 operations153 revisionsthinqOS API@thinqos/thinqos-api
Agents and skills: manage agent directories, mindsets, library syncs, integration access and skill catalogs
- AP81 operations14 revisionsAPI Sitebuilder@fondatoria/api-sitebuilder
Site data API: read and write contacts, quotes, invoices, deals and bookings from your tools
- PI213 operations31 revisionsPipedrive API v1@pipedrive/pipedrive-api-v1
Sales CRM: manage deals, leads, contacts, activities, files, pipelines and goals
- BE82 operations50 revisionsBeReach API@berea/bereach-api
LinkedIn lead generation: search people and companies, send connections and DMs, read inboxes
- FI160 operations4 revisionsFine Structure API@finestructure/fine-structure-api
AI app building: generate, update, publish and domain-manage apps via API and MCP tools
- CA190 operations11 revisionsCaptapi API@captapi/captapi-api
Social media data: profiles, posts, transcripts, ad libraries, marketplace and shop listings from 20+ platforms
- AR178 operations54 revisionsArize REST API@arize-ai/arize-rest-api
LLM observability: trace spans, run datasets and experiments, evaluate outputs, and monitor model metrics
- FO626 operations102 revisionsfortisOS API@fortis/fortune-os-api
Restaurant POS: manage menus, orders, floor tables, guest QR ordering and payment history
- AC13 operations560 revisionsAccounts@rdstationmentoria/accounts
Account management: members, invitations, roles, workspaces and subscriptions
- EX13 operations23 revisionsEx-Human@exh/ex-human
Chatbots, talking-head videos, speech, avatars and chat images for building AI characters
- FA71 operations5 revisionsfaktry Media API@faktry/faktry-media-api
Media AI: generate and edit images, video, audio, 3D models and PDFs
- LL21 operations30 revisionsLLM Gateway API@llmgateway/llmgateway-api
LLM gateway: chat, embeddings, images, audio, video, moderation, OCR and rerank across providers
- XP128 operations13 revisionsxpander.ai API Service@xpander/xpander-ai-api-service
AI agents: manage agent workspaces, tools, scheduled tasks and conversation invocations
- AG23 operations552 revisionsAgents@rdstationmentoria/agents
CRM: manage AI assistants, leads, custom fields, conversations and channels
- TE468 operations195 revisionsTessl API@tessl/tessl-api
Agent skills, tiles, evals and workspace management: manage tiles, skills, evals, projects and API keys
- AU55 operations2 revisionsautarc 2.0 API@autarc/autarc-2-0-api
Energy and heating projects: manage projects, offers, customers, rooms, PV plannings and jobs
- MA122 operations555 revisionsManagem API@managem/managem-api
Marketplace: search listings, manage baskets, orders, reviews, disputes and seller listings
- BI529 operations98 revisionsBird API@messagebird/bird-api
Email, SMS and WhatsApp messaging: send messages, manage contacts, audiences, templates and delivery analytics
- SU168 operations36 revisionsSuperLink API@flower/superlink-api
AI platform: deploy agents, run fleets and tasks, manage keys, billing and licenses
- ST158 operations126 revisionsStats API for the Battlefield series@gametools/stats-api-for-the-battlefield-series
Battlefield games: look up player stats, profiles and server lists across the series
- TH664 operations35 revisionsThaiProps Admin API@thaiprops/thaiprops-admin-api
Property listings: manage owners, media, SEO, approvals, facilities and search analytics
Showing 1 to 24 of 16,807
Load more