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.
| Tool | API | Auth | SDKs | Webhooks | Free Tier | MCP |
|---|---|---|---|---|---|---|
| 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 |