Best CRM & Sales APIs in 2026

Browse the top CRM & Sales APIs used by developers worldwide.

10 APIs across 3 subcategories

CRM Platform(3)

FreemiumCRM Platform

HubSpot CRM

Full CRM with contacts, deals, pipelines, and marketing automation APIs.

npm i @hubspot/api-client

PaidCRM Platform

Salesforce

Enterprise CRM with REST and SOAP APIs for sales, service, and marketing.

npm i jsforce

FreemiumCRM Platform

Zoho CRM

Full-featured CRM with sales automation, analytics, and multichannel support.

Sales CRM(6)

PaidSales CRM

Pipedrive

Sales-focused CRM with deal pipeline management and activity tracking.

FreemiumSales CRM

Freshsales

AI-powered CRM with lead scoring, deal management, and built-in communication.

PaidSales CRM

Monday Sales CRM

Sales CRM built on Monday.com with customisable pipelines and automations.

PaidSales CRM

Close

CRM built for inside sales teams with calling, email, and SMS built in.

PaidSales CRM

Copper

Google Workspace-native CRM with automatic data capture and relationship tracking.

FreemiumSales CRM

Attio

Modern CRM with flexible data modelling and real-time collaboration.

Lightweight CRM(1)

FreemiumLightweight CRM

Folk

Lightweight CRM for relationship management with pipeline and enrichment features.

Browse other API categories

AI & Machine Learning

22 APIs · 8 subcategories

Communication

16 APIs · 6 subcategories

Maps & Geolocation

15 APIs · 7 subcategories

Data & Information

15 APIs · 11 subcategories

Fintech & Banking

14 APIs · 6 subcategories

Payments & Commerce

13 APIs · 6 subcategories

Developer Tools

13 APIs · 10 subcategories

Authentication & Identity

12 APIs · 5 subcategories

Social Media

12 APIs · 7 subcategories

Shipping & Logistics

12 APIs · 6 subcategories

CRM & Marketing

12 APIs · 7 subcategories

Automation & Integration

12 APIs · 6 subcategories

Cloud & Infrastructure

11 APIs · 6 subcategories

Databases & Backend

10 APIs · 6 subcategories

Analytics & Monitoring

9 APIs · 5 subcategories

Media & Streaming

9 APIs · 6 subcategories

PDF & Document

8 APIs · 5 subcategories

Translation & NLP

8 APIs · 3 subcategories

Calendar & Scheduling

7 APIs · 2 subcategories

Project Management

7 APIs · 3 subcategories

Video & Media

7 APIs · 5 subcategories

Search & Data

6 APIs · 3 subcategories

Content Management

6 APIs · 3 subcategories

Realtime & WebSockets

6 APIs · 5 subcategories

Forms & Surveys

6 APIs · 2 subcategories

KYC & Identity

6 APIs · 1 subcategories

Feature Flags

6 APIs · 2 subcategories

Queue & Messaging

6 APIs · 6 subcategories

Image Processing

6 APIs · 5 subcategories

Vector Databases

6 APIs · 6 subcategories

Customer Support

6 APIs · 3 subcategories

Logging & Observability

6 APIs · 4 subcategories

Subscription & Billing

6 APIs · 3 subcategories

Travel & Hospitality

5 APIs · 4 subcategories

Push Notifications

5 APIs · 3 subcategories

E-Signatures

5 APIs · 2 subcategories

CDN & Edge

5 APIs · 2 subcategories

DNS

5 APIs · 3 subcategories

Secrets Management

5 APIs · 4 subcategories

Tax & Compliance

5 APIs · 4 subcategories

SEO & Web Analytics

5 APIs · 3 subcategories

Blockchain & Crypto

5 APIs · 4 subcategories

HR & Payroll

5 APIs · 4 subcategories

Weather

4 APIs · 2 subcategories

News & Content

4 APIs · 3 subcategories

Security

3 APIs · 3 subcategories