curl --request POST \
  --url https://rcur.app/api/v2/subscriptions \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "Monthly Premium",
  "customer_id": "abc123def456",
  "mollie_profile_id": "pfl_abc123",
  "mollie_mandate_id": "mdt_abc123",
  "start_date": "2025-02-01",
  "rules": [
    {
      "amount": 29.99,
      "interval": "month",
      "interval_amount": 1,
      "day": 1,
      "times": 12,
      "invoice_rules": [
        {
          "quantity": 1,
          "description": "Monthly subscription fee",
          "amount": 29.99,
          "vat": "21",
          "ledger_account_id": "la_123"
        }
      ]
    }
  ],
  "workflow_id": "wf_123",
  "docstyle_id": "ds_123"
}
'

import requests

url = "https://rcur.app/api/v2/subscriptions"

payload = {
    "name": "Monthly Premium",
    "customer_id": "abc123def456",
    "mollie_profile_id": "pfl_abc123",
    "mollie_mandate_id": "mdt_abc123",
    "start_date": "2025-02-01",
    "rules": [
        {
            "amount": 29.99,
            "interval": "month",
            "interval_amount": 1,
            "day": 1,
            "times": 12,
            "invoice_rules": [
                {
                    "quantity": 1,
                    "description": "Monthly subscription fee",
                    "amount": 29.99,
                    "vat": "21",
                    "ledger_account_id": "la_123"
                }
            ]
        }
    ],
    "workflow_id": "wf_123",
    "docstyle_id": "ds_123"
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: 'Monthly Premium',
    customer_id: 'abc123def456',
    mollie_profile_id: 'pfl_abc123',
    mollie_mandate_id: 'mdt_abc123',
    start_date: '2025-02-01',
    rules: [
      {
        amount: 29.99,
        interval: 'month',
        interval_amount: 1,
        day: 1,
        times: 12,
        invoice_rules: [
          {
            quantity: 1,
            description: 'Monthly subscription fee',
            amount: 29.99,
            vat: '21',
            ledger_account_id: 'la_123'
          }
        ]
      }
    ],
    workflow_id: 'wf_123',
    docstyle_id: 'ds_123'
  })
};

fetch('https://rcur.app/api/v2/subscriptions', 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://rcur.app/api/v2/subscriptions",
  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([
    'name' => 'Monthly Premium',
    'customer_id' => 'abc123def456',
    'mollie_profile_id' => 'pfl_abc123',
    'mollie_mandate_id' => 'mdt_abc123',
    'start_date' => '2025-02-01',
    'rules' => [
        [
                'amount' => 29.99,
                'interval' => 'month',
                'interval_amount' => 1,
                'day' => 1,
                'times' => 12,
                'invoice_rules' => [
                                [
                                                                'quantity' => 1,
                                                                'description' => 'Monthly subscription fee',
                                                                'amount' => 29.99,
                                                                'vat' => '21',
                                                                'ledger_account_id' => 'la_123'
                                ]
                ]
        ]
    ],
    'workflow_id' => 'wf_123',
    'docstyle_id' => 'ds_123'
  ]),
  CURLOPT_HTTPHEADER => [
    "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://rcur.app/api/v2/subscriptions"

	payload := strings.NewReader("{\n  \"name\": \"Monthly Premium\",\n  \"customer_id\": \"abc123def456\",\n  \"mollie_profile_id\": \"pfl_abc123\",\n  \"mollie_mandate_id\": \"mdt_abc123\",\n  \"start_date\": \"2025-02-01\",\n  \"rules\": [\n    {\n      \"amount\": 29.99,\n      \"interval\": \"month\",\n      \"interval_amount\": 1,\n      \"day\": 1,\n      \"times\": 12,\n      \"invoice_rules\": [\n        {\n          \"quantity\": 1,\n          \"description\": \"Monthly subscription fee\",\n          \"amount\": 29.99,\n          \"vat\": \"21\",\n          \"ledger_account_id\": \"la_123\"\n        }\n      ]\n    }\n  ],\n  \"workflow_id\": \"wf_123\",\n  \"docstyle_id\": \"ds_123\"\n}")

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

	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://rcur.app/api/v2/subscriptions")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"Monthly Premium\",\n  \"customer_id\": \"abc123def456\",\n  \"mollie_profile_id\": \"pfl_abc123\",\n  \"mollie_mandate_id\": \"mdt_abc123\",\n  \"start_date\": \"2025-02-01\",\n  \"rules\": [\n    {\n      \"amount\": 29.99,\n      \"interval\": \"month\",\n      \"interval_amount\": 1,\n      \"day\": 1,\n      \"times\": 12,\n      \"invoice_rules\": [\n        {\n          \"quantity\": 1,\n          \"description\": \"Monthly subscription fee\",\n          \"amount\": 29.99,\n          \"vat\": \"21\",\n          \"ledger_account_id\": \"la_123\"\n        }\n      ]\n    }\n  ],\n  \"workflow_id\": \"wf_123\",\n  \"docstyle_id\": \"ds_123\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://rcur.app/api/v2/subscriptions")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"Monthly Premium\",\n  \"customer_id\": \"abc123def456\",\n  \"mollie_profile_id\": \"pfl_abc123\",\n  \"mollie_mandate_id\": \"mdt_abc123\",\n  \"start_date\": \"2025-02-01\",\n  \"rules\": [\n    {\n      \"amount\": 29.99,\n      \"interval\": \"month\",\n      \"interval_amount\": 1,\n      \"day\": 1,\n      \"times\": 12,\n      \"invoice_rules\": [\n        {\n          \"quantity\": 1,\n          \"description\": \"Monthly subscription fee\",\n          \"amount\": 29.99,\n          \"vat\": \"21\",\n          \"ledger_account_id\": \"la_123\"\n        }\n      ]\n    }\n  ],\n  \"workflow_id\": \"wf_123\",\n  \"docstyle_id\": \"ds_123\"\n}"

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

{
  "id": "sub_abc123",
  "name": "Monthly Premium",
  "status": "active",
  "start_date": "2025-01-01",
  "created_at": "2025-01-01 10:00:00",
  "mollie_mandate_id": "mdt_abc123",
  "mollie_profile_id": "pfl_abc123",
  "next_payment_at": "2025-02-01",
  "next_amount": "29.99",
  "last_payment_created_at": "2025-01-01 10:00:00",
  "resume_at": "2025-03-01",
  "cancel_at": "2025-12-31",
  "rules": [
    {
      "id": "rule_abc123",
      "amount": "29.99",
      "currency": "EUR",
      "interval": "month",
      "interval_amount": 1,
      "day": 1,
      "times_done": 3,
      "times": 12
    }
  ],
  "customer": {}
}

{
  "status": 404,
  "error": "Resource not found"
}

{
  "status": 422,
  "error": "Could not process request. Some fields contain invalid data",
  "fields": {
    "email": [
      "The email field is required."
    ]
  }
}