---
title: "Start Identity Verification"
method: POST
path: "/v1/UkIdentityVerification/{workflowId}/start"
tags: ["Identity Verification UK"]
---

# Start Identity Verification

`POST /v1/UkIdentityVerification/{workflowId}/start`

Use this endpoint to start an UK Identity Verification flow. <br /><br /><img src="https://files.readme.io/310d4d3-Inline_Caution.svg" align="left" alt="Important" /> **Important:** Before using this endpoint, see: <br />• [Create workflow](https://docs.fourthline.com/reference/create-workflow) <br />• [Upload client data](https://docs.fourthline.com/reference/upload-client-data-uk) <br />• <a href="https://docs.fourthline.com/docs/uk-integration">Integration guide</a>

## Path parameters

- `workflowId` string, required

## Headers

- `Authorization` string, required — The `access_token` returned in your most recent [Create access token](https://docs.fourthline.com/reference/create-access-token) response.

## Response `202`

Request accepted for processing; response body is empty

## Other responses

- `400` — Invalid request parameters
- `404` — Verification case not found

---

[API](https://skmtc.net/fourthline/apis/fourthline-apis.md) · [All operations](https://skmtc.net/fourthline/apis/fourthline-apis/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/fourthline/fourthline-apis/revisions/7991ae7c8383/schema)