Integrations
Connect Calldesk to your stack
Build on the API, connect call results to the tools you already use, bring Calldesk speech to a voice framework, or move an agent over from another platform. Phone agents start at 2 cents a minute, with the voice and language model included.
Build on the API
REST API
Create and publish agents, place calls, read transcripts and summaries. The same routes the dashboard uses, authenticated with an API key.
API reference
OpenAPI file
The machine-readable description of the API, for client generators and agent tooling.
openapi.json
MCP server
Let an AI assistant build, test and manage your agents through the Model Context Protocol.
MCP setup
Connect your tools
HighLevel
Two workflows: one places a Calldesk call for a contact, one receives the result and updates the contact. Uses HighLevel’s built-in Custom Webhook action and Inbound Webhook trigger.
HighLevel guide
Webhooks
Call-completed events can arrive as a flat, single-level JSON object, which suits workflow tools such as HighLevel, Zapier and Make.
Webhook reference
Speech for Vapi, LiveKit, Pipecat and more
If you run your own voice stack, the ReadAloud speech API (text-to-speech from $0.004 per 1,000 characters) plugs into the frameworks below. These setups are documented on readaloudai.org.
Vapi
Use ReadAloud as a custom voice in Vapi: Vapi sends the text to your server URL and plays back the audio.
Vapi setup
LiveKit Agents
A text-to-speech plugin for LiveKit Agents, published as livekit-plugins-readaloud.
LiveKit setup
Pipecat
A text-to-speech service for Pipecat voice agents, published as pipecat-readaloud.
Pipecat setup
Vercel AI SDK
A speech provider for the Vercel AI SDK, published as ai-sdk-provider-readaloud.
AI SDK setup
n8n
A community node for n8n workflows, published as n8n-nodes-readaloud.
n8n setup
OpenAI and ElevenLabs SDKs
The API answers the OpenAI audio.speech route and the ElevenLabs text-to-speech routes, so code written for those SDKs can point at it.
SDK setup
Moving from another platform
From Vapi
A checklist for moving a phone agent from Vapi to Calldesk.
Migration checklist
From Retell
A checklist for moving a phone agent from Retell to Calldesk.
Migration checklist
From Bland
A checklist for moving a phone agent from Bland to Calldesk.
Migration checklist
Looking for something that is not listed? Email support@calldesk.tech and tell us what you are connecting.