Explore APIs
16,231 OpenAPI descriptions. Read the docs, compare revisions or generate a client.
Collections
New this month
6,808 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
16,231- FE78 operations220 revisionsFeldera API@feldera/feldera-api
Pipelines: create SQL data pipelines, manage connectors, deploy and query views, check metrics
- RE98 operations101 revisionsRedpanda Cloud Data Plane API@redpanda-data/redpanda-cloud-data-plane-api
Streaming: manage topics, ACLs, users, connectors, pipelines, transforms and MCP servers on Redpanda
- XA80 operations68 revisionsXata API@xataio/xata-api
Databases: manage organizations, projects, branches, API keys and billing, plus HTTP SQL and PostgreSQL access
- ST209 operations584 revisionsStream API@getstream/stream-api
Chat: channels, messages, members, moderation blocklists and campaigns
- SC311 operations339 revisionsSchematic API@schematichq/schematic-api
Feature flags, plans, billing and usage events: manage companies, entitlements, credits and checkout
- OP4 operations7 revisionsOpal File Handler Service@hm-courts-and-tribunals-service/opal-file-handler-service
Interface files: list, upload and download interface file contents by ID
- OT374 operations372 revisionsotari@mozilla-ai/otari
AI gateway: route LLM chat, audio and batch calls across providers, with keys, budgets and traces
- AU10 operations126 revisionsAutomation Automation V4@hubspot/automation-automation-v4
Automation flows: create, read, update and delete workflows, revisions and email campaigns
- NA124 operations108 revisionsNav IT Tiltaksadministrasjon API@navikt/nav-it-tiltaksadministrasjon-api
Tiltaksadministrasjon: manage agreements, placements, grants, payments and training providers for employment programs
- TR10 operations181 revisionsTransfers API@adyen/transferservice
Transfers and payouts: move funds, approve or cancel transfers, request grants and initiate cashouts
- OP37 operations180 revisionsOpenAgenda API@openagenda/openagenda-api
Agendas, events and locations: list and manage events, venues and geocoding for public event calendars
- ME0 operations48 revisionsMedusa Storefront API@medusajs/medusa-storefront-api
- AP204 operations122 revisionsAPI Référentiel Applications@dnum-mi/api-referentiel-applications
Gestion du référentiel d'applications : hébergements, acteurs, relations, dette technique et conformité RGAA
- CR50 operations38 revisionsCrossmint Wallets API@crossmint/crossmint-wallets-api
Wallets: create and fund wallets, transfer tokens, manage signers, signatures and transactions
- CO321 operations172 revisionsCoolify@coollabsio/coolify
Self-hosted PaaS: deploy apps, databases and services on your own servers via API
- ME0 operations76 revisionsMedusa Admin API@medusajs/medusa-admin-api
- TR0 operations76 revisionsTransfer webhooks@adyen/transfer-webhooks
- CH100 operations123 revisionsChariot API@chariot-giving/chariot-api-5
Charitable giving: open donor accounts and donor advised funds, send donations and grants to nonprofits
- YA96 operations4 revisionsYapily API@yapily/yapily-api
Open banking: connect users' bank accounts for data access, payments and recurring transfers
- TW17 operations72 revisionsTwilio - Insights@twilio/insights-v1
Voice and video analytics: call summaries, conference stats, room participant logs, and call annotations
- LA157 operations68 revisionsLayer - gRPC Gateway docs@tellor-io/layer-grpc-gateway-docs
Reporter staking, oracle query and report lookups, tips and aggregate data on the Layer chain via gRPC gateway
- CH25 operations15 revisionsChannable order connection API@channable/channable-order-connection-api
Orders, returns and shipments for multichannel marketplaces: read orders, update stock and manage returns
- SU26 operations3 revisionsSuomiatlas read API@suomiatlas/suomiatlas-read-api
Finnish statistics: read postal-code and municipality data on population, income, housing prices, crime and air quality
- SO69 operations62 revisionsSODA API@sodafoundation/soda-api
Storage: manage block volumes, snapshots, replications, file shares and host attachments on-prem
Showing 1 to 24 of 16,231
Load more