Explore APIs
14,397 OpenAPI descriptions. Read the docs, compare revisions or generate a client.
Collections
New this month
4,974 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
14,397- SV141 operations39 revisionsSvix API@svix/svix-api
Webhooks: send messages to endpoints, manage applications, event types, sinks and integrations
- BA543 operations102 revisionsBase44 App Management API@idealspot/base44-app-management-api
Base44 app building: manage apps, users, workspace members, billing, folders and fonts
- BA543 operations91 revisionsBase44 App Management API@adexad/base44-app-management-api
App building: manage apps, users, workspace members, billing, folders, fonts and files
- AH160 operations26 revisionsAhrefs API@ahrefs/ahrefs-api
SEO and AI-search analytics: backlinks, keywords, rank tracking, site audits and traffic data
- GR15 operations3 revisionsGriffNode API@griffnode/griffnode-api
Crypto payments: accept BTC, ETH, LTC, DOGE and ERC-20 tokens, with transactions, prices and invoices
- DM449 operations62 revisionsDMI Backend@netter/dmi-backend
Backend services for apps, databases, automations, dashboards, files, chats and notifications
- DU214 operations44 revisionsDualEntry Public API@dualentry/dualentry-public-api-2
Accounting: invoices, bills, journal entries, payments, budgets and chart of accounts
- PH249 operations25 revisionsPhilForms API@philforms/philforms-api
Philippine government forms: fill BIR, SSS, PhilHealth and Pag-IBIG PDFs, read scans, verify sealed output
- RE308 operations133 revisionsRemote API@remote-com/remote-api
Global employment: hire contractors and employees, manage payroll, contracts, time off and offboarding
- AT67 operations467 revisionsAtlas API@atlas/atlas-api
Customer support: manage conversations, customers, help center articles, canned responses, SLA rules and CSAT surveys
- XT342 operations426 revisionsXTRF Home Portal API@xtrf/xtrf-home-portal-api
Localization projects: manage projects, quotes, clients, vendors, files and invoices through the XTRF Home Portal
- FX43 operations10 revisionsFXMacroData API@fxmacrodata/fx-macrodata-api
Macro indicators, release calendars, central-bank rates and FX reference rates across 22 currencies
- PO2,546 operations112 revisionsPostHog API@posthog/posthog-api
Product analytics: query events, manage feature flags, experiments, dashboards, surveys and error tracking
- KR131 operations461 revisionsKrea API@krea/krea-api
AI generation: create images, video, 3D models and audio, plus enhance and manage assets
- HU374 operations435 revisionsHub API Endpoints@huggingface/hub-api-endpoints
Hub: read model, dataset and Space info, create repos, manage discussions, likes, webhooks and service accounts
- GA197 operations3 revisionsGadgetHumans API Hub@gadgethumans/gadgethumans-api-hub
Utility APIs for agents: scrape and read web pages, search, weather, crypto and FX, token risk checks, geocoding
- PA233 operations3 revisionsParlayAPI@parlay-api/parlayapi
Sports odds: live and historical lines from 36 books, exchanges and prediction markets
- PI284 operations85 revisionsPipeline Backend@transload/pipeline-backend
Video-based package scanning: manage scans, cameras, sites, media and measurement results
- MA122 operations482 revisionsManagem API@managem/managem-api
Marketplace: search listings, manage baskets, orders, reviews, disputes and seller listings
- CA223 operations54 revisionsCase.dev API@casemark/case-dev-api
Legal tech: store vaults, search and extract documents, run OCR and AI models, verify citations
- AP932 operations131 revisionsAPI Reference@retraced/api-reference
Supply chain compliance: manage orders, certificates, audits, CAPA actions, questionnaires and company documents
- FO572 operations78 revisionsfortisOS API@fortis/fortune-os-api
Restaurant POS: manage menus, orders, floor tables, guest QR ordering and payment history
- DO687 operations8 revisionsDot API@getdot/dot-api-2
Data analytics platform: manage connections, Malloy models, chat, scheduled syncs, and evaluations
- FC307 operations161 revisionsFCApp ver 2 API@footballchallengeapp/fcapp-ver-2-api
Football: manage tournaments, leagues, teams, matches, scouting reports and player rankings
Showing 1 to 24 of 14,397
Load more