# Voice verify attempt fallback

`POST /verify/verifications/{vid}/fallback` · Rivier · voice

Send the code through another channel (the next one in the service's order, or the one named) when the person did not receive it.

- Scope: voice:write
- Graphql: Mutation.voiceVerifyAttemptFallback
- Sdk: verify.verifications.fallback
- Cli: verify fallback

## Parameters

- `vid` (path, required), string

## Request body

`application/json`

```json
{
  "type": "object",
  "properties": {
    "channel": {
      "type": "string",
      "enum": [
        "sms",
        "whatsapp",
        "call",
        "email"
      ],
      "description": "A channel to move to; default the next one in the service's order"
    }
  },
  "additionalProperties": false
}
```

## Responses

- `200`: Success
- `400`: The request was malformed
- `401`: No valid credential
- `403`: The credential lacks the scope, origin or address
- `429`: Over the key's rate limit; see Retry-After

## Example

```sh
curl -X POST 'https://api.rivier.ai/verify/verifications/{vid}/fallback' \
  -H 'Authorization: Bearer $KEY' \
  -H 'Content-Type: application/json' \
  -d '{
  "channel": "sms"
}'
```