Properties
| Name | Type | Description |
|---|---|---|
| voices | array | This is the list of voices to fallback to in the event that the primary voice provider fails. |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "#/components/schemas/FallbackPlan",
"title": "FallbackPlan",
"type": "object",
"properties": {
"voices": {
"type": "array",
"description": "This is the list of voices to fallback to in the event that the primary voice provider fails.",
"items": {
"oneOf": [
{
"$ref": "#/components/schemas/FallbackAzureVoice",
"title": "Azure"
},
{
"$ref": "#/components/schemas/FallbackCartesiaVoice",
"title": "Cartesia"
},
{
"$ref": "#/components/schemas/FallbackHumeVoice",
"title": "Hume"
},
{
"$ref": "#/components/schemas/FallbackCustomVoice",
"title": "CustomVoice"
},
{
"$ref": "#/components/schemas/FallbackDeepgramVoice",
"title": "Deepgram"
},
{
"$ref": "#/components/schemas/FallbackElevenLabsVoice",
"title": "ElevenLabs"
},
{
"$ref": "#/components/schemas/FallbackVapiVoice",
"title": "Vapi"
},
{
"$ref": "#/components/schemas/FallbackLMNTVoice",
"title": "LMNT"
},
{
"$ref": "#/components/schemas/FallbackOpenAIVoice",
"title": "OpenAI"
},
{
"$ref": "#/components/schemas/FallbackPlayHTVoice",
"title": "PlayHT"
},
{
"$ref": "#/components/schemas/FallbackWellSaidVoice",
"title": "WellSaid"
},
{
"$ref": "#/components/schemas/FallbackRimeAIVoice",
"title": "RimeAI"
},
{
"$ref": "#/components/schemas/FallbackSmallestAIVoice",
"title": "Smallest AI"
},
{
"$ref": "#/components/schemas/FallbackTavusVoice",
"title": "TavusVoice"
},
{
"$ref": "#/components/schemas/FallbackNeuphonicVoice",
"title": "Neuphonic"
},
{
"$ref": "#/components/schemas/FallbackSesameVoice",
"title": "Sesame"
},
{
"$ref": "#/components/schemas/FallbackInworldVoice",
"title": "Inworld"
}
]
}
}
},
"required": [
"voices"
]
}
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.
Call it yourself
curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/vapi-fallbackplan"
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 form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.