---
title: "Trigger Flash call verification"
method: POST
path: "/verifications/flashcall"
tags: ["Verify"]
---

# Trigger Flash call verification

`POST /verifications/flashcall`

Starts a verification for the specified phone number and places a brief call with the code embedded in the caller ID. Returns the pending verification record.

## Request body

- CreateVerificationRequest — The request body when creating a verification.
  - `phone_number` string, required — +E164 formatted phone number.
  - `timeout_secs` integer — The number of seconds the verification code is valid for.
  - `verify_profile_id` string, uuid, required — The identifier of the associated Verify profile.

## Response `200`

Expected verifications response to a valid request.

- CreateVerificationResponse
  - `data` Verification, required
    - `created_at` string
    - `custom_code` string, nullable — Send a self-generated numeric code to the end-user
    - `id` string, uuid
    - `phone_number` string — +E164 formatted phone number.
    - `record_type` 'verification' — The possible verification record types.
    - `status` 'pending' | 'accepted' | 'invalid' | 'expired' | 'error' — The possible statuses of the verification request.
    - `timeout_secs` integer — This is the number of seconds before the code of the request is expired. Once this request has expired, the code will no longer verify the user. Note: this will override the `default_verification_timeout_secs` on the Verify profile.
    - `type` 'sms' | 'call' | 'flashcall' | 'whatsapp' — The possible types of verification.
    - `updated_at` string
    - `verify_profile_id` string, uuid — The identifier of the associated Verify profile.

## Other responses

- `400` — Bad Request

## Changes

- **2026-08-17** `1571b0380bd7` — 1 breaking, 1 info
  - the `errors/items/code` response's property type/format changed from `integer`/`int32` to `string`/`` for status `400`
  - added the optional property `errors/items/meta/url` to the response with the `400` status
- **2026-08-04** `8f5f4e537994` — 1 breaking, 1 warning
  - the `errors/items/code` response's property type/format changed from `string`/`` to `integer`/`int32` for status `400`
  - removed the optional property `errors/items/meta/url` from the response with the `400` status

[Change history](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/verifications/flashcall/post.md)

---

[API](https://skmtc.dev/team-telnyx/apis/telnyx-api-2.md) · [All operations](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/team-telnyx/telnyx-api-2/revisions/3fdc16374d70/schema)