curl --request POST \
  --url https://api.fyatu.com/api/v3/collections \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount": 25,
  "currency": "USD",
  "orderId": "ORD-0001",
  "description": "Premium Subscription",
  "callbackUrl": "https://yoursite.com/payment/complete",
  "webhookUrl": "https://yoursite.com/webhook/fyatu",
  "metadata": {
    "userId": "12345",
    "plan": "premium"
  }
}
'

import requests

url = "https://api.fyatu.com/api/v3/collections"

payload = {
    "amount": 25,
    "currency": "USD",
    "orderId": "ORD-0001",
    "description": "Premium Subscription",
    "callbackUrl": "https://yoursite.com/payment/complete",
    "webhookUrl": "https://yoursite.com/webhook/fyatu",
    "metadata": {
        "userId": "12345",
        "plan": "premium"
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    amount: 25,
    currency: 'USD',
    orderId: 'ORD-0001',
    description: 'Premium Subscription',
    callbackUrl: 'https://yoursite.com/payment/complete',
    webhookUrl: 'https://yoursite.com/webhook/fyatu',
    metadata: {userId: '12345', plan: 'premium'}
  })
};

fetch('https://api.fyatu.com/api/v3/collections', 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.fyatu.com/api/v3/collections",
  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' => 25,
    'currency' => 'USD',
    'orderId' => 'ORD-0001',
    'description' => 'Premium Subscription',
    'callbackUrl' => 'https://yoursite.com/payment/complete',
    'webhookUrl' => 'https://yoursite.com/webhook/fyatu',
    'metadata' => [
        'userId' => '12345',
        'plan' => 'premium'
    ]
  ]),
  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;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.fyatu.com/api/v3/collections"

	payload := strings.NewReader("{\n  \"amount\": 25,\n  \"currency\": \"USD\",\n  \"orderId\": \"ORD-0001\",\n  \"description\": \"Premium Subscription\",\n  \"callbackUrl\": \"https://yoursite.com/payment/complete\",\n  \"webhookUrl\": \"https://yoursite.com/webhook/fyatu\",\n  \"metadata\": {\n    \"userId\": \"12345\",\n    \"plan\": \"premium\"\n  }\n}")

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

	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://api.fyatu.com/api/v3/collections")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount\": 25,\n  \"currency\": \"USD\",\n  \"orderId\": \"ORD-0001\",\n  \"description\": \"Premium Subscription\",\n  \"callbackUrl\": \"https://yoursite.com/payment/complete\",\n  \"webhookUrl\": \"https://yoursite.com/webhook/fyatu\",\n  \"metadata\": {\n    \"userId\": \"12345\",\n    \"plan\": \"premium\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fyatu.com/api/v3/collections")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"amount\": 25,\n  \"currency\": \"USD\",\n  \"orderId\": \"ORD-0001\",\n  \"description\": \"Premium Subscription\",\n  \"callbackUrl\": \"https://yoursite.com/payment/complete\",\n  \"webhookUrl\": \"https://yoursite.com/webhook/fyatu\",\n  \"metadata\": {\n    \"userId\": \"12345\",\n    \"plan\": \"premium\"\n  }\n}"

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

{
  "success": true,
  "status": 201,
  "message": "Checkout session created successfully",
  "data": {
    "collectionId": "col_a1b2c3d4e5f6",
    "reference": "A2B4C6D8E0F2",
    "orderId": "ORD-0001",
    "amount": 25,
    "fee": 0.75,
    "netAmount": 24.25,
    "currency": "USD",
    "status": "PENDING",
    "checkoutUrl": "https://checkout.fyatu.com/sci/checkout?batch=col_a1b2c3d4e5f6",
    "expiresAt": "2026-01-08T12:30:00+00:00"
  },
  "meta": {
    "requestId": "req_abc123",
    "timestamp": "2026-01-08T11:30:00+00:00"
  }
}

{
  "success": false,
  "status": 400,
  "message": "Validation failed",
  "error": {
    "code": "VALIDATION_ERROR",
    "details": [
      {
        "field": "currency",
        "message": "Currency is required"
      }
    ]
  },
  "meta": {
    "requestId": "req_abc123",
    "timestamp": "2026-01-05T10:30:00+00:00"
  }
}

{
  "success": false,
  "status": 401,
  "message": "Unable to identify business",
  "error": {
    "code": "AUTH_TOKEN_INVALID"
  },
  "meta": {
    "requestId": "req_abc123",
    "timestamp": "2026-01-05T10:30:00+00:00"
  }
}

{
  "success": false,
  "status": 409,
  "message": "A collection with this order ID already exists",
  "error": {
    "code": "DUPLICATE_REFERENCE"
  },
  "meta": {
    "requestId": "req_abc123",
    "timestamp": "2026-01-08T11:30:00+00:00"
  }
}