Sales & customer support
422 APIs for CRM, leads, sales pipelines, tickets, or customer service.
Collections
New this month
180 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
422- PR97 operations25 revisionsProspectAPIs@prospectapis/prospectapis
Sales prospecting: search funding rounds, cited company profiles, launches and people, plus email checks
- BU13 operations133 revisionsBusiness Box API@marubox/business-box-api
Bookings: list, create and cancel appointments, check event type availability, manage webhooks
- AG23 operations504 revisionsAgents@rdstationmentoria/agents
CRM: manage AI assistants, leads, custom fields, conversations and channels
- AT67 operations492 revisionsAtlas API@atlas/atlas-api
Customer support: manage conversations, customers, help center articles, CSAT surveys and session recordings
- DE21 operations8 revisionsDemodesk Public API@demodesk/demodesk-public-api
Sales meeting recordings: list and fetch recordings, transcripts, summaries, scorecards and groups
- CH117 operations10 revisionsChurnZero REST API for MarketingPony@churnzero/churnzero-rest-api-for-marketingpony
Customer success: read accounts, contacts, churn scores, journeys, tasks, events and surveys
- ON848 operations4 revisionsOnboard API - Complete Specification@onboard/onboard-api-complete-specification
Customer onboarding: manage entities, workflows, bots, conversations and knowledge base collections
- LE153 operations12 revisionsLeadping API@leadping/leadping-api
Lead capture, follow-up automation, SMS/MMS and calls, with contact suppression and conversation tracking
- AP612 operations31 revisionsAPI Reference | Oneprofile@getoneprofile/api-reference-oneprofile
GTM data layer: manage CRM tables, enrichments, mailboxes, sequences and the outreach inbox
- FO188 operations12 revisionsFormation GTM API@goodleads/formation-gtm-api
Business lead data: browse, score, enrich and publish leads to CRM, manage lists and subscriptions
- PY173 operations64 revisionsPylon API.@usepylon/pylon-api
Customer support platform: manage issues, accounts, contacts, knowledge bases and call recordings
- BE82 operations45 revisionsBeReach API@berea/bereach-api
LinkedIn lead generation: search people and companies, send connections and DMs, read inboxes
- RU726 operations12 revisionsRuzora Candidate CRM API@ruzora/ruzora-candidate-crm-api
Recruiting: manage candidates, sourcing, outreach campaigns, assessments and interviews
- FE14 operations231 revisionsFees@hubspot/crm-fees
CRM: create, read, update, search and archive fee records, plus batch operations and associations
- CR17 operations231 revisionsCRM Postal Mail@hubspot/crm-postal-mail
CRM: create, search, update and archive postal mail records and their associations
- IM333 operations11 revisionsImobzi REST API@imobzi/imobzi-rest-api
Real estate CRM: manage contacts, leads, deals, properties, contracts, leases and financial transactions
- GR3,613 operations17 revisionsgraph8 Developer API@graph8/graph8-developer-api
Sales and marketing: manage contacts, companies, deals, meetings, sequences, documents and quotes via API
- FE4 operations266 revisionsFeedback Submissions@hubspot/crm-feedback-submissions
CRM: read, batch-fetch and search customer feedback responses in HubSpot
- IM184 operations9 revisionsImoview API@imoview/imoview-api
Real estate CRM: manage leads, tenants, owners, contracts, rent invoices and property listings
- PA17 operations250 revisionsPartner Clients@hubspot/crm-partner-clients
CRM: create, search, merge and archive partner client records, plus their associations
- CU13 operations260 revisionsCustom Objects@hubspot/crm-custom-objects
CRM: create, read, update, search and merge custom object records
- CO14 operations272 revisionsCommerce Payments@hubspot/crm-commerce-payments
CRM: create, read, search and batch-manage commerce payment records and their associations
- CR14 operations266 revisionsCRM Commerce Subscriptions@hubspot/crm-commerce-subscriptions
CRM: create, search, update and archive subscription records, with batch and association endpoints
- OL209 operations151 revisionsOlie API@olie-ai/olie-api
CRM and sales funnel: manage projects, customers, contacts, forms and AI agents
Showing 1 to 24 of 422
Load more