> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.getkard.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.getkard.com/_mcp/server.

# Update User

PUT https://rewards-api.getkard.com/users/users/{id}
Content-Type: application/json

Call this endpoint to update the details on a specified user. If you would like to add a card to a specified user, please refer to the [Create User Card endpoint](/legacy/api/users/create-user-card).
Required scopes: `user:update`

Reference: https://docs.getkard.com/api/users/update

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token.

## Servers

- `https://rewards-api.getkard.com` (Production, default)
- `https://test-rewards-api.getkard.com` (Sandbox)

## Request

### Path parameters

- `id` (string, required) — Referring partner user ID from issuer that specifies user

### Body (application/json)

This endpoint expects an UserRequestBody.

- `referringPartnerUserId` (string, required) — Referring partner user ID of user from issuer. Must be a unique identifier across users
- `email` (string, optional) — Email of user
- `hashedEmail` (string, optional) — Hashed email address of user (using SHA-256)
- `phoneNumber` (string, optional) — Phone number of user in E.164 format
- `birthYear` (string, optional) — Birth year of user
- `userName` (string, optional) — Username of user from issuer
- `firstName` (string, optional) — First name of user
- `lastName` (string, optional) — Last name of user
- `zipCode` (string, optional) — Zipcode of user
- `externalPartnerUserId` (string, optional) — Partner unique user id, might be equal to referringPartnerUserId
- `enrolledRewards` (list of enum, optional) — An empty array will unenroll user from all programs. Note, please do not send AFFILIATE as this field has been deprecated.
  - Allowed values: `CARDLINKED`, `AFFILIATE`

## Response

### 200

- `referringPartnerUserId` (string, required) — Referring partner user ID of user from issuer. Must be a unique identifier across users
- `enrolledRewards` (list of enum, optional) — List of enrolled rewards
  - Allowed values: `CARDLINKED`, `AFFILIATE`
- `email` (string, optional) — Email of user if available
- `hashedEmail` (string, optional) — Hashed email address of user (using SHA-256)
- `phoneNumber` (string, optional) — Phone number of user in E.164 format
- `birthYear` (string, optional) — Birth year of user
- `firstName` (string, optional) — First name of user if available
- `lastName` (string, optional) — Last name of user if available
- `zipCode` (string, optional) — Zipcode of user if available
- `cards` (list of CardInfoResponse, optional) — List of User Cards Information
- `userName` (string, optional) — Username of user from issuer if available

## Errors

### 401 Unauthorized Error

- `message` (string, required)

### 400 Invalid Request

- `InvalidRequestUnion`

### 500 Internal Server Error

- `string`

### 404 Does Not Exist Error

- `string`

## Types

### CardInfoResponse

Credit Card Information

- `_id` (string, required) — Card ID in Kard's system
- `last4` (string, required) — Card last four digits. Note, this field is REQUIRED for matching purposes.
- `bin` (string, required) — Bank identification number (BIN). Must be a valid BIN of 6 digits. If over 6 digits, please send first 6.Note, this field is REQUIRED for matching purposes.
- `issuer` (string, required) — Issuer name
- `network` (enum, required) — Name of card network
  - Allowed values: `VISA`, `MASTERCARD`, `AMERICAN EXPRESS`, `DISCOVER`
- `status` (enum, required) — Status of the card
  - Allowed values: `ENABLED`, `DISABLED`
- `token` (string, optional) — Card token
- `tokenSource` (string, optional) — Card token source

### RequestValidationErrorResponse

- `errors` (list of string, required)

## Examples

**Request**

```json
{
  "referringPartnerUserId": "123abc345efg",
  "email": "someone@email.com",
  "hashedEmail": "a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456",
  "phoneNumber": "+12345678901",
  "birthYear": "1990",
  "userName": "some_user_name",
  "firstName": "John",
  "lastName": "Doe",
  "zipCode": "10028",
  "externalPartnerUserId": "1234567890",
  "enrolledRewards": [
    "CARDLINKED"
  ]
}
```

**Response**

```json
{
  "referringPartnerUserId": "1234567890",
  "enrolledRewards": [
    "CARDLINKED"
  ],
  "email": "someone@email.com",
  "hashedEmail": "a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456",
  "phoneNumber": "+12345678901",
  "birthYear": "1990",
  "firstName": "John",
  "lastName": "Doe",
  "zipCode": "10028",
  "cards": [
    {
      "_id": "some_id",
      "last4": "1234",
      "bin": "567890",
      "issuer": "Name_Of_Issuer",
      "network": "VISA",
      "status": "ENABLED"
    }
  ],
  "userName": "some_user_name"
}
```

**SDK Code**

```python
import requests

url = "https://rewards-api.getkard.com/users/users/%7Bid%7D"

payload = {
    "referringPartnerUserId": "123abc345efg",
    "email": "someone@email.com",
    "hashedEmail": "a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456",
    "phoneNumber": "+12345678901",
    "birthYear": "1990",
    "userName": "some_user_name",
    "firstName": "John",
    "lastName": "Doe",
    "zipCode": "10028",
    "externalPartnerUserId": "1234567890",
    "enrolledRewards": ["CARDLINKED"]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.put(url, json=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'https://rewards-api.getkard.com/users/users/%7Bid%7D';
const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: '{"referringPartnerUserId":"123abc345efg","email":"someone@email.com","hashedEmail":"a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456","phoneNumber":"+12345678901","birthYear":"1990","userName":"some_user_name","firstName":"John","lastName":"Doe","zipCode":"10028","externalPartnerUserId":"1234567890","enrolledRewards":["CARDLINKED"]}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://rewards-api.getkard.com/users/users/%7Bid%7D"

	payload := strings.NewReader("{\n  \"referringPartnerUserId\": \"123abc345efg\",\n  \"email\": \"someone@email.com\",\n  \"hashedEmail\": \"a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456\",\n  \"phoneNumber\": \"+12345678901\",\n  \"birthYear\": \"1990\",\n  \"userName\": \"some_user_name\",\n  \"firstName\": \"John\",\n  \"lastName\": \"Doe\",\n  \"zipCode\": \"10028\",\n  \"externalPartnerUserId\": \"1234567890\",\n  \"enrolledRewards\": [\n    \"CARDLINKED\"\n  ]\n}")

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://rewards-api.getkard.com/users/users/%7Bid%7D")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"referringPartnerUserId\": \"123abc345efg\",\n  \"email\": \"someone@email.com\",\n  \"hashedEmail\": \"a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456\",\n  \"phoneNumber\": \"+12345678901\",\n  \"birthYear\": \"1990\",\n  \"userName\": \"some_user_name\",\n  \"firstName\": \"John\",\n  \"lastName\": \"Doe\",\n  \"zipCode\": \"10028\",\n  \"externalPartnerUserId\": \"1234567890\",\n  \"enrolledRewards\": [\n    \"CARDLINKED\"\n  ]\n}"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.put("https://rewards-api.getkard.com/users/users/%7Bid%7D")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"referringPartnerUserId\": \"123abc345efg\",\n  \"email\": \"someone@email.com\",\n  \"hashedEmail\": \"a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456\",\n  \"phoneNumber\": \"+12345678901\",\n  \"birthYear\": \"1990\",\n  \"userName\": \"some_user_name\",\n  \"firstName\": \"John\",\n  \"lastName\": \"Doe\",\n  \"zipCode\": \"10028\",\n  \"externalPartnerUserId\": \"1234567890\",\n  \"enrolledRewards\": [\n    \"CARDLINKED\"\n  ]\n}")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('PUT', 'https://rewards-api.getkard.com/users/users/%7Bid%7D', [
  'body' => '{
  "referringPartnerUserId": "123abc345efg",
  "email": "someone@email.com",
  "hashedEmail": "a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456",
  "phoneNumber": "+12345678901",
  "birthYear": "1990",
  "userName": "some_user_name",
  "firstName": "John",
  "lastName": "Doe",
  "zipCode": "10028",
  "externalPartnerUserId": "1234567890",
  "enrolledRewards": [
    "CARDLINKED"
  ]
}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://rewards-api.getkard.com/users/users/%7Bid%7D");
var request = new RestRequest(Method.PUT);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"referringPartnerUserId\": \"123abc345efg\",\n  \"email\": \"someone@email.com\",\n  \"hashedEmail\": \"a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456\",\n  \"phoneNumber\": \"+12345678901\",\n  \"birthYear\": \"1990\",\n  \"userName\": \"some_user_name\",\n  \"firstName\": \"John\",\n  \"lastName\": \"Doe\",\n  \"zipCode\": \"10028\",\n  \"externalPartnerUserId\": \"1234567890\",\n  \"enrolledRewards\": [\n    \"CARDLINKED\"\n  ]\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = [
  "referringPartnerUserId": "123abc345efg",
  "email": "someone@email.com",
  "hashedEmail": "a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456",
  "phoneNumber": "+12345678901",
  "birthYear": "1990",
  "userName": "some_user_name",
  "firstName": "John",
  "lastName": "Doe",
  "zipCode": "10028",
  "externalPartnerUserId": "1234567890",
  "enrolledRewards": ["CARDLINKED"]
] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://rewards-api.getkard.com/users/users/%7Bid%7D")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "PUT"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```