# Send User OTP

POST https://api-gateway-stg.transak.com/api/v2/auth/login
Content-Type: application/json

The **Send User OTP** is a **non-authenticated** API method that allows you to initiate user authentication by sending an OTP to the provided email address.

Reference: https://docs.transak.com/api/whitelabel/user/send-user-otp

## OpenAPI Specification

```yaml
openapi: 3.1.0
info:
  title: whitelabel-api
  version: 1.0.0
paths:
  /api/v2/auth/login:
    post:
      operationId: send-user-otp
      summary: Send User OTP
      description: >-
        The **Send User OTP** is a **non-authenticated** API method that allows
        you to initiate user authentication by sending an OTP to the provided
        email address.
      tags:
        - subpackage_user
      responses:
        '200':
          description: 200 - Confirm Payment Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/User_send-user-otp_Response_200'
        '400':
          description: 400 - Missing Field
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Send-user-otpRequestBadRequestError'
        '401':
          description: 401 - Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Send-user-otpRequestUnauthorizedError'
        '500':
          description: 500 - Internal Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Send-user-otpRequestInternalServerError'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                apiKey:
                  type: string
                  default: YOUR_API_KEY
                  description: Your API Key from Transak Dashboard
                email:
                  type: string
                  default: test@transak.com
                  description: Your Email address used to receive OTP.
              required:
                - apiKey
                - email
servers:
  - url: https://api-gateway-stg.transak.com
components:
  schemas:
    ApiV2AuthLoginPostResponsesContentApplicationJsonSchemaData:
      type: object
      properties:
        isTncAccepted:
          type: boolean
        stateToken:
          type: string
        email:
          type: string
        expiresIn:
          type: integer
      required:
        - isTncAccepted
        - stateToken
        - email
        - expiresIn
      title: ApiV2AuthLoginPostResponsesContentApplicationJsonSchemaData
    User_send-user-otp_Response_200:
      type: object
      properties:
        data:
          $ref: >-
            #/components/schemas/ApiV2AuthLoginPostResponsesContentApplicationJsonSchemaData
      required:
        - data
      title: User_send-user-otp_Response_200
    ApiV2AuthLoginPostResponsesContentApplicationJsonSchemaError:
      type: object
      properties:
        statusCode:
          type: integer
        message:
          type: string
      required:
        - statusCode
        - message
      title: ApiV2AuthLoginPostResponsesContentApplicationJsonSchemaError
    Send-user-otpRequestBadRequestError:
      type: object
      properties:
        error:
          $ref: >-
            #/components/schemas/ApiV2AuthLoginPostResponsesContentApplicationJsonSchemaError
      required:
        - error
      title: Send-user-otpRequestBadRequestError
    Send-user-otpRequestUnauthorizedError:
      type: object
      properties:
        error:
          $ref: >-
            #/components/schemas/ApiV2AuthLoginPostResponsesContentApplicationJsonSchemaError
      required:
        - error
      title: Send-user-otpRequestUnauthorizedError
    Send-user-otpRequestInternalServerError:
      type: object
      properties:
        error:
          $ref: >-
            #/components/schemas/ApiV2AuthLoginPostResponsesContentApplicationJsonSchemaError
      required:
        - error
      title: Send-user-otpRequestInternalServerError

```

## SDK Code Examples

```python Success
import requests

url = "https://api-gateway-stg.transak.com/api/v2/auth/login"

payload = {
    "apiKey": "YOUR_API_KEY",
    "email": "test@transak.com"
}
headers = {"Content-Type": "application/json"}

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

print(response.json())
```

```javascript Success
const url = 'https://api-gateway-stg.transak.com/api/v2/auth/login';
const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: '{"apiKey":"YOUR_API_KEY","email":"test@transak.com"}'
};

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

```go Success
package main

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

func main() {

	url := "https://api-gateway-stg.transak.com/api/v2/auth/login"

	payload := strings.NewReader("{\n  \"apiKey\": \"YOUR_API_KEY\",\n  \"email\": \"test@transak.com\"\n}")

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

	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 Success
require 'uri'
require 'net/http'

url = URI("https://api-gateway-stg.transak.com/api/v2/auth/login")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"apiKey\": \"YOUR_API_KEY\",\n  \"email\": \"test@transak.com\"\n}"

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

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

HttpResponse<String> response = Unirest.post("https://api-gateway-stg.transak.com/api/v2/auth/login")
  .header("Content-Type", "application/json")
  .body("{\n  \"apiKey\": \"YOUR_API_KEY\",\n  \"email\": \"test@transak.com\"\n}")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://api-gateway-stg.transak.com/api/v2/auth/login', [
  'body' => '{
  "apiKey": "YOUR_API_KEY",
  "email": "test@transak.com"
}',
  'headers' => [
    'Content-Type' => 'application/json',
  ],
]);

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

```csharp Success
using RestSharp;

var client = new RestClient("https://api-gateway-stg.transak.com/api/v2/auth/login");
var request = new RestRequest(Method.POST);
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"apiKey\": \"YOUR_API_KEY\",\n  \"email\": \"test@transak.com\"\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift Success
import Foundation

let headers = ["Content-Type": "application/json"]
let parameters = [
  "apiKey": "YOUR_API_KEY",
  "email": "test@transak.com"
] as [String : Any]

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

let request = NSMutableURLRequest(url: NSURL(string: "https://api-gateway-stg.transak.com/api/v2/auth/login")! 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()
```