Vapi · Schema

FormatPlan

Artificial IntelligenceVoiceAgentsReal-TimeCPaaS

Properties

Name Type Description
enabled boolean This determines whether the chunk is formatted before being sent to the voice provider. This helps with enunciation. This includes phone numbers, emails and addresses. Default `true`. Usage: - To rely
numberToDigitsCutoff number This is the cutoff after which a number is converted to individual digits instead of being spoken as words. Example: - If cutoff 2025, "12345" is converted to "1 2 3 4 5" while "1200" is converted to
replacements array These are the custom replacements you can make to the chunk before it is sent to the voice provider. Usage: - To replace a specific word or phrase with a different word or phrase, use the `ExactReplac
formattersEnabled array List of formatters to apply. If not provided, all default formatters will be applied. If provided, only the specified formatters will be applied. Note: Some essential formatters like angle bracket rem
View JSON Schema on GitHub

JSON Schema

vapi-formatplan-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/FormatPlan",
  "title": "FormatPlan",
  "type": "object",
  "properties": {
    "enabled": {
      "type": "boolean",
      "description": "This determines whether the chunk is formatted before being sent to the voice provider. This helps with enunciation. This includes phone numbers, emails and addresses. Default `true`.\n\nUsage:\n- To rely on the voice provider's formatting logic, set this to `false`.\n\nIf `voice.chunkPlan.enabled` is `false`, this is automatically `false` since there's no chunk to format.\n\n@default true",
      "example": true
    },
    "numberToDigitsCutoff": {
      "type": "number",
      "description": "This is the cutoff after which a number is converted to individual digits instead of being spoken as words.\n\nExample:\n- If cutoff 2025, \"12345\" is converted to \"1 2 3 4 5\" while \"1200\" is converted to \"twelve hundred\".\n\nUsage:\n- If your use case doesn't involve IDs like zip codes, set this to a high value.\n- If your use case involves IDs that are shorter than 5 digits, set this to a lower value.\n\n@default 2025",
      "minimum": 0,
      "example": 2025
    },
    "replacements": {
      "type": "array",
      "description": "These are the custom replacements you can make to the chunk before it is sent to the voice provider.\n\nUsage:\n- To replace a specific word or phrase with a different word or phrase, use the `ExactReplacement` type. Eg. `{ type: 'exact', key: 'hello', value: 'hi' }`\n- To replace a word or phrase that matches a pattern, use the `RegexReplacement` type. Eg. `{ type: 'regex', regex: '\\\\b[a-zA-Z]{5}\\\\b', value: 'hi' }`\n\n@default []",
      "items": {
        "oneOf": [
          {
            "$ref": "#/components/schemas/ExactReplacement",
            "title": "ExactReplacement"
          },
          {
            "$ref": "#/components/schemas/RegexReplacement",
            "title": "RegexReplacement"
          }
        ]
      }
    },
    "formattersEnabled": {
      "type": "array",
      "description": "List of formatters to apply. If not provided, all default formatters will be applied.\nIf provided, only the specified formatters will be applied.\nNote: Some essential formatters like angle bracket removal will always be applied.\n@default undefined",
      "enum": [
        "markdown",
        "asterisk",
        "quote",
        "dash",
        "newline",
        "colon",
        "acronym",
        "dollarAmount",
        "email",
        "date",
        "time",
        "distance",
        "unit",
        "percentage",
        "phoneNumber",
        "number",
        "stripAsterisk"
      ],
      "items": {
        "type": "string",
        "enum": [
          "markdown",
          "asterisk",
          "quote",
          "dash",
          "newline",
          "colon",
          "acronym",
          "dollarAmount",
          "email",
          "date",
          "time",
          "distance",
          "unit",
          "percentage",
          "phoneNumber",
          "number",
          "stripAsterisk"
        ]
      }
    }
  }
}

Work with this as data

Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for schemas

4 MCP tools reach this
  • find_json_schemasBrowse and filter every JSON Schema in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/vapi-formatplan"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.