Explore APIs
14,400 OpenAPI descriptions. Read the docs, compare revisions or generate a client.
Collections
New this month
4,977 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
14,400- NG247 operations10 revisionsngrok OpenAPI@ngrok/ngrok-openapi
Networking: provision endpoints, reserved domains, tunnels, API keys, IP policies and TLS certificates
- AN477 operations886 revisionsAnyAPI@getanyapi-com/anyapi
Data APIs for social, e-commerce, ads, SEO and lead data: one wallet, pay per call in USD
- EN304 operations129 revisionsEntire API@entire/entire-api
Developer platform API for AI coding sessions: repos, commits, trails, sessions, memories, code search and dispatches
- GE312 operations346 revisionsGeoLens API@geolens-io/geolens-api
Self-hosted spatial catalog: upload vector datasets, query them, and serve OGC features and map tiles
- LA22 operations11 revisionsLazaretto: skill & tool verification API@lazaretto/lazaretto-skill-tool-verification-api
Verification: scan packages and skills for malicious code, check lockfiles against known-bad hashes
- OP376 operations97 revisionsOpenAI API@omnistack-sh/openai-api
AI models: generate text and speech, transcribe audio, create embeddings, manage files and fine-tuning
- SO296 operations13 revisionsSocial Fetch Public API@socialfetch/social-fetch-public-api
Social media data: fetch profiles, posts and search results across 12+ platforms via one API
- AP161 operations20 revisionsApier.no API@apier/apier-no-api
Company registry data: verified status, roles and signing authority for Norwegian companies, with source stamps
- BL454 operations71 revisionsBluejay API@getbluejay/bluejay-api
Voice AI agents: build and version agents, run simulations, and track evaluations and call logs
- CL132 operations66 revisionsClover API@ubicloud/clover-api
Cloud infrastructure: manage VMs, Postgres databases, Kubernetes clusters, firewalls and load balancers
- CU169 operations23 revisionsCustomDomain™ Control-Plane API@customdomain/customdomain-control-plane-api
Domains and DNS: connect, secure and monitor customer domains via API, plus resale and managed zones
- OP376 operations564 revisionsOpenAI API@openai/openai-api-4
AI models: generate text and speech, transcribe audio, embed content, manage files and fine-tuning
- MA674 operations61 revisionsMagistry API@magistry/magistry-api
Store operations: query products and performance, propose discounts, alerts and automations
- BO83 operations434 revisionsBoomi Data Integration API@rivery/boomi-data-integration-api
Data integration: manage data flows, connections, dataframes, environments and users, and read activity statistics
- AG23 operations481 revisionsAgents@rdstationmentoria/agents
CRM: manage AI assistants, leads, custom fields, conversations and channels
- CR522 operations19 revisionsCrevio API V1@crevio/crevio-api-v1
Digital product sales: manage customers, subscriptions, checkouts, discounts, email broadcasts and sequences
- BR498 operations21 revisionsBrix API@brixsignage/brix-api
Digital signage: manage screens, media, playlists, schedules, alerts, users and audit logs
- FU14 operations10 revisionsFuxux API@fuxux/fuxux-api
Social publishing: schedule posts across 14 platforms, manage accounts, upload media, AI captions
- PA820 operations53 revisionsPatricia API@patricia/patricia-api
AI agent workspace: manage actors, skills, files, meetings, approvals and workspace members
- SM249 operations15 revisionsSmokeball API@smokeball/smokeball-api
Legal practice management: manage matters, contacts, files, billing, fees and expenses, and intake
- NE421 operations59 revisionsNew API@unorouter/new-api
AI gateway: manage API tokens, channels, users, billing, logs and model pricing
- PL50 operations9 revisionsPloti API@ploti/ploti-api
Geospatial data: find datasets, check coverage, request missing data, and run Python or SQL on it
- KI55 operations37 revisionsKintsugi Customer API@trykintsugi/tax-platform
Tax compliance: manage customers, transactions, exemptions, nexus, registrations and filings
- ON506 operations58 revisionsOnlyWorlds API@onlyworlds/onlyworlds-api
Worldbuilding: read and write typed, linked world elements such as characters, locations and events
Showing 1 to 24 of 14,400
Load more