Explore APIs
16,390 OpenAPI descriptions. Read the docs, compare revisions or generate a client.
Collections
New this month
6,967 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
16,390- GL45 operations215 revisionsGlean Indexing API@gleanwork/glean-indexing-api
Search: push documents, people, permissions and shortcuts into an enterprise search index
- GL91 operations198 revisionsGlean API@gleanwork/glean-api
Enterprise search: index custom content, query documents and people, manage chats, agents and collections
- AL17 operations2 revisionsAltText.ai API@alttext/alttext-ai-api
Images: generate, store and search alt text, plus manage API keys and account settings
- LI21 operations62 revisionslibresign-administration@libresign/libresign-administration
LibreSign admin: generate certificates, manage CRL revocations, policies, signature backgrounds and GeoIP settings
- TL118 operations85 revisionstlbx API@tlbx-ai/tlbx-api
Terminal sessions: create and drive shells, send input, read output buffers, manage API keys and firewall
- AD5 operations56 revisionsAdobe FireflyPhotoshop API@adobe/adobe-fireflyphotoshop-api
Image editing: generate object, body-part and background masks, refine them, and fill masked areas
- EC26 operations57 revisionsEcosyste.ms: Repos@ecosyste-ms/ecosyste-ms-repos
Open source repositories: look up repo metadata, owners, releases, tags, SBOMs and package dependencies
- WE69 operations7 revisionsweather.gov API@weather/weather-gov-api
Weather: forecasts, active alerts, station observations, radar and aviation products for US locations
- ME15 operations2 revisionsMetricsPocket Public API@habitpocket/metricspocket-public-api
Habit tracking: log daily habit values, manage habits, charts and dashboard layout
- AP174 operations24 revisionsApier.no API@apier/apier-no-api
Company registry: verify Norwegian company status, roles and signing authority, with source-stamped answers
- BA180 operations10 revisionsBAMF Developer Platform API@bamf/bamf-developer-platform-api
Creator marketing: publish posts, manage outreach, ads, analytics and creator workspaces
- OM261 operations107 revisionsOmni API@omniapp/omni-api
Business intelligence: query data with AI, manage dashboards, documents, models and schedules
- SE458 operations154 revisionsSequenzy API@sequenzy/sequenzy-api
Email marketing: manage subscribers, sequences, campaigns, transactional emails and webhooks
- AC13 operations530 revisionsAccounts@rdstationmentoria/accounts
Account management: members, invitations, roles, workspaces and subscriptions
- CO30 operations9 revisionsCoverage Cat Delegated Insurance Purchase APIs@coveragecat/coverage-cat-delegated-insurance-purchase-apis
Umbrella and auto insurance: estimate premiums, plan coverage limits, and run a consumer purchase flow
- AG23 operations522 revisionsAgents@rdstationmentoria/agents
CRM: manage AI assistants, leads, custom fields, conversations and channels
- SH234 operations51 revisionsShortKit API@shortkit/shortkit-api
Video hosting and live streaming: publish content, play back streams, manage clips, captions and advertising
- TA22 operations9 revisionsTakibi agent API@takibibase/takibi-agent-api
Documents, projects and tasks: search and ask over documents, manage task cards, claim and review work, attach artifacts
- SA44 operations3 revisionsSats4AI@sats4ai/sats4ai
Tools for AI agents: SMS, voice, fax, image, video, translation and file conversion, paid per request in sats
- MA122 operations525 revisionsManagem API@managem/managem-api
Marketplace: search listings, manage baskets, orders, reviews, disputes and seller listings
- DI894 operations168 revisionsDigitalOcean API@digitalocean/digitalocean-api-2
Cloud infrastructure: manage Droplets, Kubernetes clusters, databases, storage, networking and apps
- AG472 operations548 revisionsAgent Swarm API@desplega-ai/agent-swarm-api
Multi-agent orchestration: distribute tasks, route agent messages, discover services across coding agents
- BI161 operations16 revisionsbisibility Public API@bisibility/bisibility-public-api
SEO: track keyword rankings, run rank checks, research keywords, analyze backlinks and domain visibility
- OP388 operations593 revisionsOpenAI API@openai/openai-api-4
AI models: generate text, speech and embeddings, manage files, batches and fine-tuning jobs
Showing 1 to 24 of 16,390
Load more