Explore APIs
17,359 OpenAPI descriptions. Read the docs, compare revisions or generate a client.
Collections
New this month
6,287 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
17,359- CA208 operations952 revisionsCatalog API@vtex/catalog-api
Commerce catalog: manage products, SKUs, categories, brands, specifications and attachments
- DO108 operations203 revisionsDocker Engine API@hexlet/docker-engine-api
Containers: create and run containers, manage images, networks, volumes, swarm services and plugins
- GR251 operations216 revisionsGrid API@lightsparkdev/grid-api
Cross-border payments: onboard customers, verify KYC, move funds and run payouts
- CR30 operations612 revisionsCRM Lists@hubspot/crm-lists
Lists: create and manage CRM record lists, folders, memberships and ID mappings
- OD187 operations1,048 revisionsOdd-e Open API@nerds-odd-e/odd-e-open-api
Notebooks, notes, recall prompts and learning sessions: manage notebook content, folders, files, Git and LFS sync
- ME93 operations117 revisionsMemos Gen API@usememos/memos-gen-api
Memos and spaces: manage notes, attachments, users, sign-in sessions and identity providers
- AN504 operations1,089 revisionsAnyAPI@getanyapi-com/anyapi
Pay-per-call access to scraped data: product, social, ad and SEO lookups across 500+ operations
- MO191 operations236 revisionsModern Treasury@modern-treasury/modern-treasury
Payments: move money with ledgers, payment orders, counterparties, invoices and bank account details
- CR9 operations574 revisionsCRM Associations Schema@hubspot/crm-associations-schema
CRM: define association labels and limits between HubSpot object types
- SM293 operations9 revisionssmart-crawler — 为 AI Agent 打造的竞品数据采集引擎@smartcrawler/smart-crawler-ai-agent
家居品牌竞品数据采集:独立站与 Amazon 评论抓取,支持 MCP 与 REST 接入
- AU18 operations369 revisionsAutomation Actions V4@hubspot/automation-actions-v4
CRM workflows: create, update and delete custom actions, their functions and revisions
- AP1,378 operations47 revisionsAPIbase — Universal API Hub for AI Agents@apibase/apibase-universal-api-hub-for-ai-agents
Aggregated APIs for weather, crypto prices, prediction markets and flight search, usable by AI agents
- LE171 operations31 revisionsLeadping API@leadping/leadping-api
Lead capture, SMS and call follow-up, conversation tracking, and communication analytics for businesses
- HU379 operations627 revisionsHub API Endpoints@huggingface/hub-api-endpoints
Hub platform: manage models, datasets, Spaces, discussions, users and orgs via REST
- CM33 operations665 revisionsCMS Media Bridge@hubspot/cms-media-bridge
Media tracking: record video plays and attention, and manage media object properties, schemas and oEmbed domains
- EX1,420 operations106 revisionsExcellence Learning@excellence-ai/excellence-learning
Education platform: create courses and exercises, grade student work, manage assignments and billing
- BR162 operations225 revisionsBraintrust API@braintrustdata/braintrust-api
LLM evaluation: manage experiments, datasets, prompts, logs, and project access controls
- CR13 operations270 revisionsCRM Calling Extensions@hubspot/crm-calling-extensions
CRM: manage calling extension settings, channel connections, call recordings and inbound calls
- CO10 operations360 revisionsCommunication Preferences Subscriptions@hubspot/communication-preferences-subscriptions
Marketing: read and update contact subscription statuses, unsubscribe contacts, generate opt-out links
- XT342 operations641 revisionsXTRF Home Portal API@xtrf/xtrf-home-portal-api
Localization projects: manage projects, quotes, clients, vendors, files and invoices through the XTRF Home Portal
- AP295 operations412 revisionsAPI Reference@sentry/sentry
Error monitoring: manage projects, issues, releases, teams, dashboards and notebooks via API
- CR313 operations29 revisionsCrawlCheck API@crawlcheck/crawlcheck-api
Agent verification and crawler auditing: check bot identity, scan domains, and monitor policies and disputes
- LA83 operations11 revisionsLaso Finance x402 API@laso/laso-finance-x402-api
Prepaid cards, bank and PayPal/Venmo payouts, gift cards and agent wallet access, payable per request in USDC
- AT67 operations694 revisionsAtlas API@atlas/atlas-api
Customer support: manage conversations, customers, help center articles, CSAT surveys and session recordings
Showing 1 to 24 of 17,359
Load more