Sales & customer support
379 APIs for CRM, leads, sales pipelines, tickets, or customer service.
Collections
New this month
142 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
379- GL370 operations70 revisionsgleap-server@gleap/gleap-server
Customer support: tickets, help center articles, engagement campaigns and team messaging
- NO49 operations8 revisionsNooks Sequencing API@nooks/nooks-sequencing-api
Sales engagement: manage sequences, prospects, tasks, emails, calls and CRM notes
- AG23 operations477 revisionsAgents@rdstationmentoria/agents
CRM: manage AI assistants, leads, custom fields, conversations and channels
- AT67 operations466 revisionsAtlas API@atlas/atlas-api
Customer support: manage conversations, customers, help center articles, canned responses, SLA rules and CSAT surveys
- CR2 operations110 revisionsCRM Forecast Types@hubspot/crm-forecast-types
CRM: read forecast type definitions and their settings from HubSpot
- FE4 operations247 revisionsFeedback Submissions@hubspot/crm-feedback-submissions
CRM: read, batch-fetch and search customer feedback responses in HubSpot
- CR2 operations122 revisionsCRM Object Library@hubspot/crm-object-library
CRM: check which object types are activated, with per-object status lookup
- LI9 operations119 revisionsLimits Tracking@hubspot/crm-limits-tracking
CRM: read quota limits for records, properties, pipelines and associations
- CL307 operations43 revisionsClose API@close/close-api
CRM: manage leads, contacts, opportunities, calls, emails and sequences
- RU1,292 operations91 revisionsRulebase API2@rulebase/rulebase-api2
Quality assurance for contact-center conversations: score agent evaluations, coaching, scorecards and work items
- DE29 operations4 revisionsDeeplead API@deeplead/deeplead-api
Sales prospecting: find businesses, people and verified emails, run email campaigns
- CR4 operations146 revisionsCRM Property Validations@hubspot/crm-property-validations
CRM: read and update validation rules for object properties in HubSpot
- DE223 operations75 revisionsDex Public API@getdex/dex-public-api
Personal CRM: manage contacts, notes, reminders, groups, tags and calendar events
- BU13 operations119 revisionsBusiness Box API@marubox/business-box-api
Bookings: list, create and cancel appointments, check event type availability, manage webhooks
- AI14 operations9 revisionsAirspeed API@glyphic/airspeed-api
Sales calls: recordings, playbooks, call tags, forecasting and bot call joins
- OP928 operations84 revisionsOpenintake API@openintake/fastapi
Legal intake: manage leads, calls, cases, referrals, billing and CRM sync for law firms
- OR12 operations241 revisionsOrders@hubspot/crm-orders
CRM: create, search, update, merge and archive sales order records in bulk
- TI15 operations242 revisionsTickets@hubspot/crm-tickets
CRM: create, read, search, update, merge and archive support requests, plus batch and object associations
- CO16 operations147 revisionsContacts@hubspot/crm-contacts
CRM: create, search, update, merge and archive records, with batch operations and associations
- CR2 operations119 revisionsCRM Deal Splits@hubspot/crm-deal-splits
CRM: read and upsert batches of deal split records, keyed by associated deal ID
- PU7 operations116 revisionsPublic App Crm Cards@hubspot/crm-public-app-crm-cards
CRM: create, read, update and delete UI cards for HubSpot apps, plus view migration
- PA22 operations7 revisionsPantheon Developer API@pantheon-run/pantheon-developer-api
CRM: manage contacts, records, deals, chats and threads, and run AI queries
- AT99 operations46 revisionsAttio API@attio/attio-api
CRM: manage records, lists, notes, tasks, meetings, emails and workspace members
- CR31 operations120 revisionsCRM Lists@hubspot/crm-lists
CRM: manage HubSpot contact lists, list folders, and list memberships in batches
Showing 1 to 24 of 379
Load more