> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://partner.ninjatrader.com/connect/api/rest-api-endpoints/users/update-contact-info-name/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://partner.ninjatrader.com/_mcp/server.

# Update Contact Info Name

POST https://demo.tradovateapi.com/v1/contactInfo/updatecontactinfoname
Content-Type: application/json

Requests with `firstName` and `lastName` fields exceeding a combined 60 characters are rejected, despite each field individually allowing up to 64 characters.

Reference: https://partner.ninjatrader.com/connect/api/rest-api-endpoints/users/update-contact-info-name

## Authentication

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

## Request

### Body (application/json)

This endpoint expects an UpdateContactInfoName.

- `firstName` (string, required)
- `lastName` (string, required)
- `country` (string, required)
- `phone` (string, required)

## Response

### 200

UpdateContactInfoResponse

- `errorText` (string, optional) — Non-empty if the request failed
- `contactInfo` (ContactInfo, optional)

## Types

### ContactInfo

- `userId` (long, required)
- `firstName` (string, required)
- `lastName` (string, required)
- `streetAddress1` (string, required)
- `city` (string, required)
- `country` (string, required)
- `phone` (string, required)
- `id` (long, optional)
- `streetAddress2` (string, optional)
- `state` (string, optional)
- `postCode` (string, optional)
- `mailingIsDifferent` (boolean, optional)
- `mailingStreetAddress1` (string, optional)
- `mailingStreetAddress2` (string, optional)
- `mailingCity` (string, optional)
- `mailingState` (string, optional)
- `mailingPostCode` (string, optional)
- `mailingCountry` (string, optional)
- `approvedId` (long, optional)
- `jointFirstName` (string, optional)
- `jointLastName` (string, optional)
- `iraCustodianName` (string, optional)

## Examples

**Request**

```json
{
  "firstName": "string",
  "lastName": "string",
  "country": "string",
  "phone": "string"
}
```

**Response**

```json
{
  "errorText": "string",
  "contactInfo": {
    "userId": 1,
    "firstName": "string",
    "lastName": "string",
    "streetAddress1": "string",
    "city": "string",
    "country": "string",
    "phone": "string",
    "id": 1,
    "streetAddress2": "string",
    "state": "string",
    "postCode": "string",
    "mailingIsDifferent": true,
    "mailingStreetAddress1": "string",
    "mailingStreetAddress2": "string",
    "mailingCity": "string",
    "mailingState": "string",
    "mailingPostCode": "string",
    "mailingCountry": "string",
    "approvedId": 1,
    "jointFirstName": "string",
    "jointLastName": "string",
    "iraCustodianName": "string"
  }
}
```

**SDK Code**

```python
import requests

url = "https://demo.tradovateapi.com/v1/contactInfo/updatecontactinfoname"

payload = {
    "firstName": "string",
    "lastName": "string",
    "country": "string",
    "phone": "string"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.json())
```

```javascript
const url = 'https://demo.tradovateapi.com/v1/contactInfo/updatecontactinfoname';
const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: '{"firstName":"string","lastName":"string","country":"string","phone":"string"}'
};

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://demo.tradovateapi.com/v1/contactInfo/updatecontactinfoname"

	payload := strings.NewReader("{\n  \"firstName\": \"string\",\n  \"lastName\": \"string\",\n  \"country\": \"string\",\n  \"phone\": \"string\"\n}")

	req, _ := http.NewRequest("POST", 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://demo.tradovateapi.com/v1/contactInfo/updatecontactinfoname")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"firstName\": \"string\",\n  \"lastName\": \"string\",\n  \"country\": \"string\",\n  \"phone\": \"string\"\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.post("https://demo.tradovateapi.com/v1/contactInfo/updatecontactinfoname")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"firstName\": \"string\",\n  \"lastName\": \"string\",\n  \"country\": \"string\",\n  \"phone\": \"string\"\n}")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://demo.tradovateapi.com/v1/contactInfo/updatecontactinfoname', [
  'body' => '{
  "firstName": "string",
  "lastName": "string",
  "country": "string",
  "phone": "string"
}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://demo.tradovateapi.com/v1/contactInfo/updatecontactinfoname");
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"firstName\": \"string\",\n  \"lastName\": \"string\",\n  \"country\": \"string\",\n  \"phone\": \"string\"\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = [
  "firstName": "string",
  "lastName": "string",
  "country": "string",
  "phone": "string"
] as [String : Any]

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

let request = NSMutableURLRequest(url: NSURL(string: "https://demo.tradovateapi.com/v1/contactInfo/updatecontactinfoname")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
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()
```