curl --request POST \
  --url https://sandbox.soleaspay.com/api/action/card/user \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-sp-auth-token: <x-sp-auth-token>' \
  --data '
{
  "first_name": "John",
  "last_name": "Doe",
  "email": "john@gmail.com",
  "country_code": "CM",
  "contact": "698479723",
  "dob": "2010-01-01",
  "is_business": false,
  "billing_adress": "kotto",
  "billing_city": "DOUALA",
  "billing_country": "CAMEROON",
  "id_number": "00858574849",
  "business_name": "NAN",
  "billing_state": "littoral",
  "billing_postal_code": "237"
}
'

import requests

url = "https://sandbox.soleaspay.com/api/action/card/user"

payload = {
    "first_name": "John",
    "last_name": "Doe",
    "email": "john@gmail.com",
    "country_code": "CM",
    "contact": "698479723",
    "dob": "2010-01-01",
    "is_business": False,
    "billing_adress": "kotto",
    "billing_city": "DOUALA",
    "billing_country": "CAMEROON",
    "id_number": "00858574849",
    "business_name": "NAN",
    "billing_state": "littoral",
    "billing_postal_code": "237"
}
headers = {
    "x-sp-auth-token": "<x-sp-auth-token>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-sp-auth-token': '<x-sp-auth-token>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    first_name: 'John',
    last_name: 'Doe',
    email: 'john@gmail.com',
    country_code: 'CM',
    contact: '698479723',
    dob: '2010-01-01',
    is_business: false,
    billing_adress: 'kotto',
    billing_city: 'DOUALA',
    billing_country: 'CAMEROON',
    id_number: '00858574849',
    business_name: 'NAN',
    billing_state: 'littoral',
    billing_postal_code: '237'
  })
};

fetch('https://sandbox.soleaspay.com/api/action/card/user', 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://sandbox.soleaspay.com/api/action/card/user",
  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([
    'first_name' => 'John',
    'last_name' => 'Doe',
    'email' => 'john@gmail.com',
    'country_code' => 'CM',
    'contact' => '698479723',
    'dob' => '2010-01-01',
    'is_business' => false,
    'billing_adress' => 'kotto',
    'billing_city' => 'DOUALA',
    'billing_country' => 'CAMEROON',
    'id_number' => '00858574849',
    'business_name' => 'NAN',
    'billing_state' => 'littoral',
    'billing_postal_code' => '237'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "x-sp-auth-token: <x-sp-auth-token>"
  ],
]);

$response = curl_exec($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://sandbox.soleaspay.com/api/action/card/user"

	payload := strings.NewReader("{\n  \"first_name\": \"John\",\n  \"last_name\": \"Doe\",\n  \"email\": \"john@gmail.com\",\n  \"country_code\": \"CM\",\n  \"contact\": \"698479723\",\n  \"dob\": \"2010-01-01\",\n  \"is_business\": false,\n  \"billing_adress\": \"kotto\",\n  \"billing_city\": \"DOUALA\",\n  \"billing_country\": \"CAMEROON\",\n  \"id_number\": \"00858574849\",\n  \"business_name\": \"NAN\",\n  \"billing_state\": \"littoral\",\n  \"billing_postal_code\": \"237\"\n}")

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

	req.Header.Add("x-sp-auth-token", "<x-sp-auth-token>")
	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://sandbox.soleaspay.com/api/action/card/user")
  .header("x-sp-auth-token", "<x-sp-auth-token>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"first_name\": \"John\",\n  \"last_name\": \"Doe\",\n  \"email\": \"john@gmail.com\",\n  \"country_code\": \"CM\",\n  \"contact\": \"698479723\",\n  \"dob\": \"2010-01-01\",\n  \"is_business\": false,\n  \"billing_adress\": \"kotto\",\n  \"billing_city\": \"DOUALA\",\n  \"billing_country\": \"CAMEROON\",\n  \"id_number\": \"00858574849\",\n  \"business_name\": \"NAN\",\n  \"billing_state\": \"littoral\",\n  \"billing_postal_code\": \"237\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox.soleaspay.com/api/action/card/user")

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

request = Net::HTTP::Post.new(url)
request["x-sp-auth-token"] = '<x-sp-auth-token>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"first_name\": \"John\",\n  \"last_name\": \"Doe\",\n  \"email\": \"john@gmail.com\",\n  \"country_code\": \"CM\",\n  \"contact\": \"698479723\",\n  \"dob\": \"2010-01-01\",\n  \"is_business\": false,\n  \"billing_adress\": \"kotto\",\n  \"billing_city\": \"DOUALA\",\n  \"billing_country\": \"CAMEROON\",\n  \"id_number\": \"00858574849\",\n  \"business_name\": \"NAN\",\n  \"billing_state\": \"littoral\",\n  \"billing_postal_code\": \"237\"\n}"

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

{
  "user_id": "SP6VC",
  "reference": "USR12345"
}