---
title: "CRM APIs: 10 reviewed | ONEGTMLAB"
description: "CRM APIs: 10 tools with their API read end to end. Cost per call, plans with the billing basis, rate limits, keys and MCP."
canonical: https://www.onegtmlab.dev/tool-directory/crm
---

# CRM APIs: 10 reviewed | ONEGTMLAB

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# CRM APIs

The system of record for contacts, companies and deals, and how to write to it. 10 tools, each with its API read end to end from its own pricing page and docs.

-   **10**tools reviewed
-   **8**official MCP servers
-   **3**with a free plan

Find a CRM tool

## Every tool in CRM

Search and filter within this category, or sort by entry price.

Search tools

SortA to ZCheapest entry price

Plan and accessFree plan3API on the free plan1Official MCP server8

Showing 10 of 10 tools

-   [![](/_astro/attio.CoO4UDxn_Z18d6Fj.webp)AttioCRMRelational, AI-native CRM with a clean REST API (v2): records, lists, notes, tasks, meetings, webhooks, upsert by unique attribute, an…Free planAPI on free planOfficial MCPPer seatFrom $35/mo billed annuallyReview →](/tool-directory/crm/attio)
-   [![](/_astro/close.BGAid65p.svg)CloseCRMCalling- and email-first sales CRM for SMB sales teams, with a lead-centric REST API v1 (OpenAPI since 2026-04), advanced filtering, bulk actions, a…Official MCPPer seatFrom $9/mo billed annuallyReview →](/tool-directory/crm/close)
-   [![](/_astro/copper.CFmJ3qY-.svg)CopperCRMGoogle Workspace-native CRM with a Developer API v1 (leads, people, companies, opportunities, projects, tasks, activities, custom fields), lead…Per seatFrom $23/mo billed annuallyReview →](/tool-directory/crm/copper)
-   [![](/_astro/folk.B0kqszAJ_Z1Mzbp7.webp)folkCRMLightweight relationship CRM (people, companies, groups, deals/custom objects) with a modern REST API: 100-record batch endpoints, search,…Official MCPPer seatFrom $24/mo billed annuallyReview →](/tool-directory/crm/folk)
-   [![](/_astro/freshsales.Cr-B_BIS_1sH9f8.webp)FreshsalesCRMFreshworks' sales CRM with a REST API for contacts, sales accounts, deals, activities and custom modules, including single and bulk upsert by a…Free planPer seatFrom $9/mo billed annuallyReview →](/tool-directory/crm/freshsales)
-   [![](/_astro/hubspot.ClO2484y_Sne0S.webp)HubSpotCRMThe SMB/mid-market CRM platform: contacts, companies, deals, tickets and custom objects behind a date-versioned REST API (2026-09), batch upsert,…Official MCPPer seatFrom $20/mo billed monthlyReview →](/tool-directory/crm/hubspot)
-   [![](/_astro/pipedrive.DtFSS7Dm_XWXch.webp)PipedriveCRMDeal-pipeline CRM for SMB sales teams with REST API v1/v2 (persons, organizations, deals, leads, activities), token-budget rate limiting tied to plan…Official MCPPer seatFrom $14/mo billed annuallyReview →](/tool-directory/crm/pipedrive)
-   [![](/_astro/salesforce.C2obBAuF.svg)SalesforceCRMThe enterprise CRM system of record: REST, Composite, sObject Collections, SOQL/SOSL, Bulk API 2.0 (150M records/day), Change Data Capture and…Free planOfficial MCPPer seatFrom $25/mo billed monthlyReview →](/tool-directory/crm/salesforce)
-   [![](/_astro/twenty.CFNUwcG3_29mkvu.webp)TwentyCRMOpen-source (AGPL), API-first CRM: per-workspace generated REST + GraphQL APIs (core and metadata), 60-record batch calls with GraphQL batch upsert,…Official MCPPer seatFrom $9/mo billed annuallyReview →](/tool-directory/crm/twenty)
-   [![](/_astro/zoho-crm.BclPw__4_Zqgk1b.webp)Zoho CRMCRMLow-cost, highly customisable CRM with REST API v8 (records, upsert with duplicate-check fields, search, COQL), Bulk Read/Write jobs, notifications…Official MCPPer seatFrom $14/mo billed annuallyReview →](/tool-directory/crm/zoho-crm)

## Guides and comparisons for this category

[ComparisonApollo vs AttioCompare them →](/tool-directory/compare/apollo-vs-attio)[ComparisonHubSpot vs PipedriveCompare them →](/tool-directory/compare/hubspot-vs-pipedrive)

## Other categories

[Sourcing](/tool-directory/sourcing)[Enrichment](/tool-directory/enrichment)[Verification](/tool-directory/verification)[Signals](/tool-directory/signals)[Research and scraping](/tool-directory/research-and-scraping)[Email sending](/tool-directory/sending)[LinkedIn outreach](/tool-directory/linkedin-outreach)[Data platforms](/tool-directory/data-platforms)

## Want it built for you?

Tell us what you want these tools to do in your stack. We will show you which tools we would use and how we would wire them together.

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