---
title: "Upload client data"
method: POST
path: "/v1/UkIdentityVerification/{workflowId}/client"
tags: ["Identity Verification UK"]
---

# Upload client data

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

Use this endpoint to upload a client’s personal data for an UK Identity Verification case. <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 />• <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.

## Request body

- object
  - `firstName` string, required — The client’s first name. <br /><br />Format: Alphabetical characters, spaces, hyphens, and apostrophes <br /><br />Example: `John`
  - `lastName` string, required — The client’s last name. <br /><br />Format: Alphabetical characters, spaces, hyphens, and apostrophes <br /><br />Example: `Smith`
  - `birthDate` string, date, required — The client’s date of birth. <br /><br />Format: Date YYYY-MM-DD <br /><br />Example: `1990-05-15`
  - `gender` 'Male' | 'Female' | 'Other' | 'Unknown', required — The client’s sex. <br /><br />Format: Case sensitive <br /><br />Example: `Female` <br />Enum: <br />• `Female`: Female in line with ID document <br />• `Male`: Male in line with ID document <br />• `Other`: ID document contains a value other than `Male` or `Female` <br />• `Unknown`: ID document contains **no** gender field
  - `citizenship` string, required — The country or countries where the client has citizenship. <br /><br />Format: Alphabetical characters, spaces, hyphens, and apostrophes <br /><br />Example: `UK`
  - `placeOfBirth` string, required — The city where the client was born. <br /><br />Format: Alphabetical characters, spaces, hyphens, and apostrophes <br /><br />Example: `Manchester`
  - `address` object, required
    - `street` string, required — The street of the client’s address. <br /><br />Format: Alphabetical characters, spaces, hyphens, and apostrophes <br /><br />Example: `Baker Street`
    - `streetNumber` string, required — The street number of the client’s address. <br /><br />Format: int32 greater than or equal to zero <br /><br />Example: `221`
    - `postCode` string, required — The zip code of the client’s address. <br /><br />Format: Alphabetical characters, spaces, hyphens, and apostrophes <br /><br />Example: `NW1 6XE`
    - `city` string, required — The city of the client’s address. <br /><br />Format: Alphabetical characters, spaces, hyphens, and apostrophes <br /><br />Example: `London`

## Response `201`

Client data uploaded

- object — The resource was created successfully. The response body is empty.

## Other responses

- `400` — Invalid request parameters
- `404` — Resource 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)