curl --request POST \
  --url https://api.ketapay.com/v1/checkout_sessions/{id}/cancel \
  --header 'Authorization: Bearer <token>' \
  --header 'Idempotency-Key: <idempotency-key>'

const options = {
  method: 'POST',
  headers: {'Idempotency-Key': '<idempotency-key>', Authorization: 'Bearer <token>'}
};

fetch('https://api.ketapay.com/v1/checkout_sessions/{id}/cancel', 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.ketapay.com/v1/checkout_sessions/{id}/cancel",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Idempotency-Key: <idempotency-key>"
  ],
]);

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

curl_close($curl);

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

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "object": "checkout_session",
  "livemode": true,
  "status": "open",
  "url": "https://app.ketapay.com/checkout/2c9a7f4e-1b3d-4e6a-8f2c-5d7b9e1a3c60",
  "amount": 45000000,
  "currency": "NGN",
  "fees": {
    "amount": 45000000,
    "buyer_fee": 2250000,
    "buyer_vat": 168750,
    "buyer_total": 152418750,
    "seller_fee": 2250000,
    "commission": 15000000,
    "seller_payout": 132750000
  },
  "category": "other",
  "title": "<string>",
  "description": "<string>",
  "images": [
    {
      "file": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "url": "<string>",
      "thumbnail_url": "<string>",
      "alt": "<string>"
    }
  ],
  "attachments": [
    {
      "file": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "Project brief.pdf",
      "url": "<string>"
    }
  ],
  "milestones": [
    {
      "title": "Design",
      "amount": 45000000,
      "description": "<string>",
      "due_date": "2023-12-25"
    }
  ],
  "buyer": {
    "email": "ada@example.com",
    "phone": "+2348012345678",
    "name": "Ada Obi"
  },
  "seller": {
    "email": "ada@example.com",
    "phone": "+2348012345678",
    "name": "Ada Obi"
  },
  "release": {
    "method": "buyer_confirms",
    "auto_release_hours": null
  },
  "commission": {
    "rate_bps": 1000,
    "min_amount": 45000000,
    "max_amount": 45000000
  },
  "escrow_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "return_url": "<string>",
  "cancel_url": "<string>",
  "external_reference": "proj_4471",
  "metadata": {
    "project_id": "4471"
  },
  "expires_at": "2023-11-07T05:31:56Z",
  "created_at": "2023-11-07T05:31:56Z",
  "url_on_platform": "<string>",
  "completed_at": "2023-11-07T05:31:56Z",
  "cancelled_at": "2023-11-07T05:31:56Z"
}

{
  "error": {
    "type": "authentication_error",
    "code": "api_key_invalid",
    "message": "This API key is invalid or has been revoked.",
    "param": null,
    "request_id": "req_01J9ZK7M2Q4V8XW3B6N5T0R1YH"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "resource_not_found",
    "message": "No escrow with id 3b1f6c2e-8d4a-4e7b-9c1d-2a5f8e6b7c90.",
    "param": "id",
    "request_id": "req_01J9ZK7M2Q4V8XW3B6N5T0R1YH"
  }
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "dispute_open",
    "message": "This escrow has an open dispute. KetaPay will release or refund it when the dispute ends.",
    "param": null,
    "request_id": "req_01J9ZK7M2Q4V8XW3B6N5T0R1YH"
  }
}

{
  "error": {
    "type": "rate_limit_error",
    "code": "rate_limited",
    "message": "Too many requests. Retry after the time in X-RateLimit-Reset.",
    "param": null,
    "request_id": "req_01J9ZK7M2Q4V8XW3B6N5T0R1YH"
  }
}