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CRM APIs for AI Agents

Building AI agents that can manage contacts, deals, and pipelines? These CRM APIs give your agent full programmatic access to customer relationship data. Every tool here has been vetted for API completeness and developer experience.

ToolAPIAuthSDKsWebhooksFree TierMCP
Twenty

The #1 open-source CRM. A modern alternative to Salesforce, built for the AI era.

RESTGraphQL
API Key
TypeScriptPython
SuiteCRM

The world's most popular open-source CRM with full-featured sales automation.

REST
OAuth2
PHPJavaScript
EspoCRM

Open source CRM with a modern, user-friendly interface and powerful API.

REST
API KeyOAuth2
PHPJavaScript
QRev

AI-first open-source alternative to Salesforce, built for the agentic era.

REST
API Key
JavaScriptPython
Radiant AI CRM

Open-source AI-powered CRM built for modern sales teams.

REST
API Key
ActionGrid (Conga)

Salesforce optimization and data management with a robust API.

REST
OAuth2
Artillery

Modern performance testing and monitoring for APIs.

RESTWebSocket
None
Node.js
Copy.ai

The GTM AI platform for automating sales and marketing workflows.

REST
API Key
Folk

Lightweight CRM designed for relationship-driven teams.

REST
API Key
GTM Engine

AI-powered GTM platform with API-driven custom integrations.

REST
API Key
Gearset

Salesforce DevOps and release management with automated APIs.

REST
API Key
Gooseapp CRM

Mobile-first CRM with an API for managing orders and offers.

REST
API Key
HubSpot

All-in-one CRM platform with an extensive API ecosystem.

REST
OAuth2Bearer TokenAPI Key
MCP
Make.com

Visual automation platform with powerful agentic capabilities.

REST
API Key
MCP
Membrain

B2B sales effectiveness platform for executing complex sales strategies.

REST
API Key
Nango

Open-source product integration platform for AI agents.

REST
API KeyOAuth2
Outreach

AI-powered sales execution platform for managing entire revenue workflows.

REST
OAuth2
Node.jsPythonRuby
Pipedrive

The sales-first CRM for managing pipelines and closing deals.

REST
API Key
Node.jsPythonPHP
MCP
QuotaPath

Sales commission tracking and automation for revenue teams.

REST
API Key
Salesforce

The world's #1 AI-powered CRM and customer success platform.

RESTGraphQL
OAuth2
MCP
Zapier

The world's largest automation ecosystem with an MCP server.

REST
API KeyOAuth2
MCP
Zoho CRM

Flexible CRM for growing businesses with native AI and MCP support.

REST
OAuth2
noCRM.io

Lead management software focused on closing deals without the CRM friction.

REST
API Key
Freshworks CRM

AI-powered CRM for tracking sales pipelines and automating marketing.

REST
API Key
Node.jsPython
Close

Sales CRM with built-in power dialer and SMS.

REST
API Key
PythonNode.js
Nutshell

SMB CRM with API for sales pipeline management.

REST
API Key
PythonPHP
Nimble

Social CRM for relationship management and sales automation.

REST
API Key
Pipeline CRM

Sales-first CRM for managing pipelines and closing deals.

REST
API Key
Zendesk Sell

Sales CRM designed to increase productivity and pipeline visibility.

REST
OAuth2
PythonRubyPHP
Attio

Next-generation CRM with a powerful, flexible API.

REST
OAuth2Bearer Token
MCP
CaptivateIQ

Sales commission management platform for modern revenue teams.

REST
API Key
InSitu Sales

Mobile CRM and field sales tracking platform for mobile teams.

REST
API Key
LeanData

Revenue operations platform for lead routing and account matching.

REST
API Key
Monday Sales CRM

The flexible Work OS for managing the entire sales cycle and pipeline.

RESTGraphQL
API KeyOAuth2
Spiff

Automated sales commission software for real-time visibility and motivation.

REST
OAuth2
n8n

Open-source workflow automation with a powerful API.

REST
API KeyBasic Auth
MCP