curl --request POST \
  --url https://staging.api.krypta-pay.com/v1/payins/checkout \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": "5000",
  "currency": "XOF",
  "network": "MTN_BJ",
  "customer": {
    "fullName": "Awa Koné",
    "msisdn": "22997000000",
    "email": "awa@example.com"
  },
  "redirectUrl": "https://example.com/orders/1042",
  "expiresInSec": 900
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    amount: '5000',
    currency: 'XOF',
    network: 'MTN_BJ',
    customer: {fullName: 'Awa Koné', msisdn: '22997000000', email: 'awa@example.com'},
    redirectUrl: 'https://example.com/orders/1042',
    expiresInSec: 900
  })
};

fetch('https://staging.api.krypta-pay.com/v1/payins/checkout', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://staging.api.krypta-pay.com/v1/payins/checkout"

payload = {
    "amount": "5000",
    "currency": "XOF",
    "network": "MTN_BJ",
    "customer": {
        "fullName": "Awa Koné",
        "msisdn": "22997000000",
        "email": "awa@example.com"
    },
    "redirectUrl": "https://example.com/orders/1042",
    "expiresInSec": 900
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://staging.api.krypta-pay.com/v1/payins/checkout",
  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([
    'amount' => '5000',
    'currency' => 'XOF',
    'network' => 'MTN_BJ',
    'customer' => [
        'fullName' => 'Awa Koné',
        'msisdn' => '22997000000',
        'email' => 'awa@example.com'
    ],
    'redirectUrl' => 'https://example.com/orders/1042',
    'expiresInSec' => 900
  ]),
  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;
}

{
  "ok": true,
  "data": {
    "reference": "tx_3Jk9QwErTy7uIoPa2Sd",
    "status": "PENDING",
    "amount": "5000",
    "currency": "XOF",
    "checkoutUrl": null,
    "expiresInSec": 900,
    "otpRequired": false,
    "otpInstructions": null
  }
}

{
  "ok": false,
  "error": {
    "code": "unauthorized",
    "message": "Invalid or expired API key"
  }
}

{
  "ok": false,
  "error": {
    "code": "kyb_required",
    "message": "Your organization must complete KYB verification."
  }
}

{
  "ok": false,
  "error": {
    "code": "validation_error",
    "message": "amount: Invalid amount"
  }
}

{
  "ok": false,
  "error": {
    "code": "rate_limited",
    "message": "Rate limit exceeded, retry in 1 minute"
  }
}

{
  "ok": false,
  "error": {
    "code": "payin_unavailable",
    "message": "Le paiement Mobile Money est momentanément indisponible."
  }
}