Vapi · Schema

ServerMessageVoiceRequest

AIVoiceAgentsRealtimeCPaaS

Properties

Name	Type	Description
phoneNumber	object	This is the phone number that the message is associated with.
type	string	This is the type of the message. "voice-request" is sent when using `assistant.voice={ "type": "custom-voice" }`. Here is what the request will look like: POST https://{assistant.voice.server.url} Con
timestamp	number	This is the timestamp of the message.
artifact	object	This is a live version of the `call.artifact`. This matches what is stored on `call.artifact` after the call.
assistant	object	This is the assistant that the message is associated with.
customer	object	This is the customer that the message is associated with.
call	object	This is the call that the message is associated with.
chat	object	This is the chat object.
text	string	This is the text to be synthesized.
sampleRate	number	This is the sample rate to be synthesized.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ServerMessageVoiceRequest",
  "title": "ServerMessageVoiceRequest",
  "type": "object",
  "properties": {
    "phoneNumber": {
      "description": "This is the phone number that the message is associated with.",
      "oneOf": [
        {
          "$ref": "#/components/schemas/CreateByoPhoneNumberDTO",
          "title": "ByoPhoneNumber"
        },
        {
          "$ref": "#/components/schemas/CreateTwilioPhoneNumberDTO",
          "title": "TwilioPhoneNumber"
        },
        {
          "$ref": "#/components/schemas/CreateVonagePhoneNumberDTO",
          "title": "VonagePhoneNumber"
        },
        {
          "$ref": "#/components/schemas/CreateVapiPhoneNumberDTO",
          "title": "VapiPhoneNumber"
        },
        {
          "$ref": "#/components/schemas/CreateTelnyxPhoneNumberDTO",
          "title": "TelnyxPhoneNumber"
        }
      ]
    },
    "type": {
      "type": "string",
      "description": "This is the type of the message. \"voice-request\" is sent when using `assistant.voice={ \"type\": \"custom-voice\" }`.\n\nHere is what the request will look like:\n\nPOST https://{assistant.voice.server.url}\nContent-Type: application/json\n\n{\n  \"messsage\": {\n    \"type\": \"voice-request\",\n    \"text\": \"Hello, world!\",\n    \"sampleRate\": 24000,\n    ...other metadata about the call...\n  }\n}\n\nThe expected response is 1-channel 16-bit raw PCM audio at the sample rate specified in the request. Here is how the response will be piped to the transport:\n```\nresponse.on('data', (chunk: Buffer) => {\n  outputStream.write(chunk);\n});\n```",
      "enum": [
        "voice-request"
      ]
    },
    "timestamp": {
      "type": "number",
      "description": "This is the timestamp of the message."
    },
    "artifact": {
      "description": "This is a live version of the `call.artifact`.\n\nThis matches what is stored on `call.artifact` after the call.",
      "allOf": [
        {
          "$ref": "#/components/schemas/Artifact"
        }
      ]
    },
    "assistant": {
      "description": "This is the assistant that the message is associated with.",
      "allOf": [
        {
          "$ref": "#/components/schemas/CreateAssistantDTO"
        }
      ]
    },
    "customer": {
      "description": "This is the customer that the message is associated with.",
      "allOf": [
        {
          "$ref": "#/components/schemas/CreateCustomerDTO"
        }
      ]
    },
    "call": {
      "description": "This is the call that the message is associated with.",
      "allOf": [
        {
          "$ref": "#/components/schemas/Call"
        }
      ]
    },
    "chat": {
      "description": "This is the chat object.",
      "allOf": [
        {
          "$ref": "#/components/schemas/Chat"
        }
      ]
    },
    "text": {
      "type": "string",
      "description": "This is the text to be synthesized."
    },
    "sampleRate": {
      "type": "number",
      "description": "This is the sample rate to be synthesized."
    }
  },
  "required": [
    "type",
    "text",
    "sampleRate"
  ]
}