CRM cards API Technical Specs & Reference

Detailed technical specifications for CRM cards API including version v3 data.

📅 Last updated: April 20, 2026

CRM cards API Overview

Allows an app to extend the CRM UI by surfacing custom cards in the sidebar of record pages. These cards are defined up-front as part of app configuration, then populated by external data fetch requests when the record page is accessed by a user….

Technical Specifications

Attribute	Details
Provider	hubapi.com
Current Version	v3
Format	OpenAPI / JSON

Integration Information

Reference for version v3.

Disclaimer: Data sourced from APIs.guru.

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API Client API Overview

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Technical Specifications

Attribute	Details
Provider	azure.com
Current Version	2019-08-01
Format	OpenAPI / JSON

Integration Information

Reference for version 2019-08-01.

Disclaimer: Data sourced from APIs.guru.

API Technical Specs & Reference

API Overview

This document is intended as a detailed reference for the precise behavior of the drchrono API. If this is your first time using the API, start with our tutorial. If you are upgrading from a previous version, take a look at the changelog section.

Authorization

Initial authorization

There are three main steps in the OAuth 2.0 authentication workflow:

API Technical Specs & Reference

API Overview

No description available….

Technical Specifications

Attribute	Details
Provider	hubapi.com
Current Version	v1
Format	OpenAPI / JSON

Integration Information

Reference for version v1.

Disclaimer: Data sourced from APIs.guru.