curl --request POST \
  --url https://sandbox-payment-b2b.singapay.id/api/v2.0/recurring/plans/cancel/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-PARTNER-ID: <api-key>' \
  --data '
{
  "reason": "customer_requested"
}
'

import requests

url = "https://sandbox-payment-b2b.singapay.id/api/v2.0/recurring/plans/cancel/{id}"

payload = { "reason": "customer_requested" }
headers = {
    "Authorization": "Bearer <token>",
    "X-PARTNER-ID": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    Authorization: 'Bearer <token>',
    'X-PARTNER-ID': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({reason: 'customer_requested'})
};

fetch('https://sandbox-payment-b2b.singapay.id/api/v2.0/recurring/plans/cancel/{id}', 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-payment-b2b.singapay.id/api/v2.0/recurring/plans/cancel/{id}",
  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([
    'reason' => 'customer_requested'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "X-PARTNER-ID: <api-key>"
  ],
]);

$response = curl_exec($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-payment-b2b.singapay.id/api/v2.0/recurring/plans/cancel/{id}"

	payload := strings.NewReader("{\n  \"reason\": \"customer_requested\"\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("X-PARTNER-ID", "<api-key>")
	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-payment-b2b.singapay.id/api/v2.0/recurring/plans/cancel/{id}")
  .header("Authorization", "Bearer <token>")
  .header("X-PARTNER-ID", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"reason\": \"customer_requested\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://sandbox-payment-b2b.singapay.id/api/v2.0/recurring/plans/cancel/{id}")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["X-PARTNER-ID"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"reason\": \"customer_requested\"\n}"

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

{
  "response_code": "SP000",
  "response_message": "Successfully",
  "data": {
    "id": "9f8b6c2e-1a2b-4c3d-8e4f-5a6b7c8d9e0f",
    "name": "Monthly Pro Subscription",
    "amount": "150000",
    "currency": "IDR",
    "created_at": "2026-06-09T10:00:00+07:00",
    "schedule": {
      "interval": 1,
      "interval_unit": "month",
      "current_interval": 1,
      "total_interval": 12,
      "start_time": "2026-07-01T00:00:00+07:00",
      "previous_payment_at": null,
      "next_payment_at": "2026-07-01T00:00:00+07:00"
    },
    "status": "active",
    "payment_type": "credit_card",
    "retry_policy": {
      "max_attempts": 3,
      "interval_days": 1,
      "failed_payment_action": "continue_plan"
    },
    "metadata": {
      "description": "Pro plan monthly billing",
      "extra": []
    },
    "subscription_id": "SUB-2026-0001",
    "merchant_reff_no": "REF-0001",
    "payment_link_url": "https://pay.singapay.id/sub/9f8b6c2e",
    "parent_plan_id": null,
    "created_from": null
  }
}

{
  "response_code": "SP100",
  "response_message": "Subscription Plan Not Found"
}

{
  "response_code": "SP101",
  "response_message": "Plan Already Cancelled",
  "data": null
}