> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cryptomate.me/llms.txt
> Use this file to discover all available pages before exploring further.

# Update client

> Update an existing individual client.

<Warning>
  **Deprecated.** This endpoint is no longer part of the public API. Use [Update individual client](/api-reference/management/individual-clients/update-client) under **Individual Clients** instead.
</Warning>

Updates the information of an existing client including personal details and communication preferences. Requires an API key with access level 3 or higher.

## Path parameters

<ParamField path="id" type="string" required>
  Unique identifier of the client to update.
</ParamField>

## Body

<ParamField body="company_id" type="string">
  Company identifier.
</ParamField>

<ParamField body="phone_country_code" type="integer">
  Phone country code.
</ParamField>

<ParamField body="phone_number" type="long">
  Phone number.
</ParamField>

<ParamField body="username" type="string">
  Client username.
</ParamField>

<ParamField body="first_name" type="string">
  Client first name.
</ParamField>

<ParamField body="second_name" type="string">
  Client second/middle name.
</ParamField>

<ParamField body="last_name" type="string">
  Client last name.
</ParamField>

<ParamField body="otp" type="boolean">
  Enable OTP authentication.
</ParamField>

<ParamField body="sms" type="boolean">
  Enable SMS notifications.
</ParamField>

<ParamField body="whatsapp" type="boolean">
  Enable WhatsApp notifications.
</ParamField>

<ParamField body="telegram" type="boolean">
  Enable Telegram notifications.
</ParamField>

<ParamField body="email" type="string">
  Client email address.
</ParamField>

<ParamField body="gender" type="string">
  Client gender.
</ParamField>

<ParamField body="birth_date" type="string">
  Date of birth.
</ParamField>

<ParamField body="expiration_date" type="string">
  Document expiration date.
</ParamField>

<ParamField body="address" type="object">
  Physical address.
</ParamField>

<ParamField body="individual_identification" type="string">
  Individual identification number.
</ParamField>

<ParamField body="individual_identification_type" type="string">
  Individual identification type.
</ParamField>

<ParamField body="occupation" type="string">
  Client occupation (required for Rain).
</ParamField>

<ParamField body="annual_salary" type="string">
  Annual salary (required for Rain).
</ParamField>

<ParamField body="account_purpose" type="string">
  Account purpose (required for Rain).
</ParamField>

<ParamField body="expected_monthly_volume" type="string">
  Expected monthly volume (required for Rain).
</ParamField>

<ParamField body="documents" type="array">
  Identity documents.
</ParamField>

## Response

Returns the updated client. See [Get client by ID](/api-reference/management/clients/get-client) for the full field list.

<RequestExample>
  ```bash cURL theme={null}
  curl -X PUT "https://api.cryptomate.me/management/clients/client_a1b2c3d4-e5f6-4a7b-8c9d-0e1f2a3b4c5d" \
    -H "x-api-key: $CRYPTOMATE_API_KEY" \
    -H "Content-Type: application/json" \
    -d '{
      "first_name": "John",
      "last_name": "Doe",
      "email": "john.doe.new@example.com",
      "sms": false
    }'
  ```
</RequestExample>

<ResponseExample>
  ```json 404 Not Found theme={null}
  {
    "code": "NOT_FOUND",
    "message": "Company client not found with id: client_a1b2c3d4-e5f6-4a7b-8c9d-0e1f2a3b4c5d"
  }
  ```

  ```json 412 Duplicate Client theme={null}
  {
    "code": "VAL",
    "message": "Company client already exists for this company and phone number"
  }
  ```
</ResponseExample>