---
title: "CRM Calling Extensions"
account: hubspot
slug: crm-calling-extensions
---

# CRM Calling Extensions

- Operations: 16
- Versions: 56 (latest `8daca4f88e4b`)
- Source: https://raw.githubusercontent.com/HubSpot/HubSpot-public-api-spec-collection/main/PublicApiSpecs/CRM/Calling%20Extensions/Rollouts/145891/v3/callingExtensions.json
- OpenAPI document: https://skmtc-service-production.skmtc.workers.dev/v1/apis/hubspot/crm-calling-extensions/revisions/8daca4f88e4b/schema

## Operations

16 in total, by tag:

- Basic (13)
- Batch (1)
- Advanced (2)

Every operation, with a link to its markdown: https://skmtc.dev/hubspot/apis/crm-calling-extensions/llms.txt