curl --request POST \
  --url https://api.example.com/api/v1/kyc/nin \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "nin": "12345678901",
  "validation": {
    "first_name": "John",
    "last_name": "Doe",
    "date_of_birth": "1990-01-15",
    "selfie": "data:image/jpeg;base64,..."
  }
}
'

import requests

url = "https://api.example.com/api/v1/kyc/nin"

payload = {
    "nin": "12345678901",
    "validation": {
        "first_name": "John",
        "last_name": "Doe",
        "date_of_birth": "1990-01-15",
        "selfie": "data:image/jpeg;base64,..."
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    nin: '12345678901',
    validation: {
      first_name: 'John',
      last_name: 'Doe',
      date_of_birth: '1990-01-15',
      selfie: 'data:image/jpeg;base64,...'
    }
  })
};

fetch('https://api.example.com/api/v1/kyc/nin', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.example.com/api/v1/kyc/nin",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'nin' => '12345678901',
    'validation' => [
        'first_name' => 'John',
        'last_name' => 'Doe',
        'date_of_birth' => '1990-01-15',
        'selfie' => 'data:image/jpeg;base64,...'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://api.example.com/api/v1/kyc/nin"

	payload := strings.NewReader("{\n  \"nin\": \"12345678901\",\n  \"validation\": {\n    \"first_name\": \"John\",\n    \"last_name\": \"Doe\",\n    \"date_of_birth\": \"1990-01-15\",\n    \"selfie\": \"data:image/jpeg;base64,...\"\n  }\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(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.example.com/api/v1/kyc/nin")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"nin\": \"12345678901\",\n  \"validation\": {\n    \"first_name\": \"John\",\n    \"last_name\": \"Doe\",\n    \"date_of_birth\": \"1990-01-15\",\n    \"selfie\": \"data:image/jpeg;base64,...\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/api/v1/kyc/nin")

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  \"nin\": \"12345678901\",\n  \"validation\": {\n    \"first_name\": \"John\",\n    \"last_name\": \"Doe\",\n    \"date_of_birth\": \"1990-01-15\",\n    \"selfie\": \"data:image/jpeg;base64,...\"\n  }\n}"

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

{
  "success": false,
  "status": 400,
  "message": "Validation failed.",
  "timestamp": "2026-09-17T12:00:00.000Z",
  "errors": [
    "amount must not be less than 0"
  ]
}

{
  "success": false,
  "status": 400,
  "message": "Validation failed.",
  "timestamp": "2026-09-17T12:00:00.000Z",
  "errors": [
    "amount must not be less than 0"
  ]
}

{
  "success": false,
  "status": 400,
  "message": "Validation failed.",
  "timestamp": "2026-09-17T12:00:00.000Z",
  "errors": [
    "amount must not be less than 0"
  ]
}

{
  "success": false,
  "status": 400,
  "message": "Validation failed.",
  "timestamp": "2026-09-17T12:00:00.000Z",
  "errors": [
    "amount must not be less than 0"
  ]
}