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Set up calling extension settings for an app

One step with HubSpot. We can help you get access.

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Set up calling extension settings for an app

with HubSpot
Works with AI assistants

Use HubSpot: its Hubspot Basic API lets you set up calling extension settings for an app in a single step (POST /crm/extensions/calling/2026-03/{appId}/settings). HubSpot also has an MCP server, so an AI assistant like Claude or ChatGPT can do it for you. capabilities.work can help you get signed up and connected.

  • How do I register my app as a calling provider?
  • Can my calling extension support inbound calls?
Say it to your AI assistant
  • Create calling settings for app {appId} named {name} at {url}, {width}x{height}.
  • Register app {appId} as calling provider {name} with inbound calling {supportsInboundCalling}.
For your developer

POST /crm/extensions/calling/2026-03/{appId}/settings in Hubspot Basic API. Full spec on APIs.io.

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