Voxplo · Schema

PlaceCallRequest

CompanyArtificial IntelligenceVoiceMCP

Properties

Name	Type	Description
to	string	Destination phone number in E.164 format, e.g. +14155550123.
objective	string	What the AI should accomplish on the call. Write it as a clear goal in plain text.
context	stringnull	Background information the AI should know before the call. Not shared with the recipient.
fields	arraynull	Structured fields to extract from the transcript. Up to 20 items.
webhookUrl	stringnull	HTTPS URL to receive signed webhook events during and after the call.
callerId	stringnull	Caller ID override. Must be a number on your account (E.164). Defaults to the number set in your Developers dashboard.
voice	stringnull	The voice the AI uses on the call, e.g. Aoede, Kore, Puck.
language	stringnull	BCP-47 language code (e.g. en-US, ru-RU) or auto. Omit to let Voxplo infer from the objective.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/voxplo-ai/json-schema/voxplo-ai-place-call-request-schema.json",
  "title": "PlaceCallRequest",
  "x-generated": "2026-10-31",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/voxplo-ai-openapi.json#/components/schemas/PlaceCallRequest",
  "type": "object",
  "required": [
    "to",
    "objective"
  ],
  "properties": {
    "to": {
      "type": "string",
      "description": "Destination phone number in E.164 format, e.g. +14155550123."
    },
    "objective": {
      "type": "string",
      "description": "What the AI should accomplish on the call. Write it as a clear goal in plain text."
    },
    "context": {
      "type": [
        "string",
        "null"
      ],
      "description": "Background information the AI should know before the call. Not shared with the recipient."
    },
    "fields": {
      "type": [
        "array",
        "null"
      ],
      "maxItems": 20,
      "description": "Structured fields to extract from the transcript. Up to 20 items.",
      "items": {
        "type": "object",
        "required": [
          "name"
        ],
        "properties": {
          "name": {
            "type": "string",
            "description": "Field key name."
          },
          "type": {
            "type": "string",
            "enum": [
              "string",
              "boolean",
              "number"
            ],
            "description": "Value type. Defaults to string."
          },
          "description": {
            "type": "string",
            "description": "What the field means; guides extraction."
          }
        }
      }
    },
    "webhookUrl": {
      "type": [
        "string",
        "null"
      ],
      "description": "HTTPS URL to receive signed webhook events during and after the call."
    },
    "callerId": {
      "type": [
        "string",
        "null"
      ],
      "description": "Caller ID override. Must be a number on your account (E.164). Defaults to the number set in your Developers dashboard."
    },
    "voice": {
      "type": [
        "string",
        "null"
      ],
      "description": "The voice the AI uses on the call, e.g. Aoede, Kore, Puck."
    },
    "language": {
      "type": [
        "string",
        "null"
      ],
      "description": "BCP-47 language code (e.g. en-US, ru-RU) or auto. Omit to let Voxplo infer from the objective."
    }
  }
}

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