Validate an Apple Pay merchant session

curl --request POST \
  --url https://api.fluid.app/api/payments/v2026-04/carts/{cart_token}/apple_pay/validate \
  --header 'Content-Type: application/json' \
  --header 'Referer: <referer>' \
  --data '
{
  "company_id": 1024,
  "country_id": 233,
  "apple_session_url": "https://apple-pay-gateway.apple.com/paymentservices/startSession"
}
'

import requests

url = "https://api.fluid.app/api/payments/v2026-04/carts/{cart_token}/apple_pay/validate"

payload = {
    "company_id": 1024,
    "country_id": 233,
    "apple_session_url": "https://apple-pay-gateway.apple.com/paymentservices/startSession"
}
headers = {
    "Referer": "<referer>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Referer: '<referer>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    company_id: 1024,
    country_id: 233,
    apple_session_url: 'https://apple-pay-gateway.apple.com/paymentservices/startSession'
  })
};

fetch('https://api.fluid.app/api/payments/v2026-04/carts/{cart_token}/apple_pay/validate', 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.fluid.app/api/payments/v2026-04/carts/{cart_token}/apple_pay/validate",
  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([
    'company_id' => 1024,
    'country_id' => 233,
    'apple_session_url' => 'https://apple-pay-gateway.apple.com/paymentservices/startSession'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "Referer: <referer>"
  ],
]);

$response = curl_exec($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.fluid.app/api/payments/v2026-04/carts/{cart_token}/apple_pay/validate"

	payload := strings.NewReader("{\n  \"company_id\": 1024,\n  \"country_id\": 233,\n  \"apple_session_url\": \"https://apple-pay-gateway.apple.com/paymentservices/startSession\"\n}")

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

	req.Header.Add("Referer", "<referer>")
	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.fluid.app/api/payments/v2026-04/carts/{cart_token}/apple_pay/validate")
  .header("Referer", "<referer>")
  .header("Content-Type", "application/json")
  .body("{\n  \"company_id\": 1024,\n  \"country_id\": 233,\n  \"apple_session_url\": \"https://apple-pay-gateway.apple.com/paymentservices/startSession\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fluid.app/api/payments/v2026-04/carts/{cart_token}/apple_pay/validate")

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

request = Net::HTTP::Post.new(url)
request["Referer"] = '<referer>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"company_id\": 1024,\n  \"country_id\": 233,\n  \"apple_session_url\": \"https://apple-pay-gateway.apple.com/paymentservices/startSession\"\n}"

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

{
  "apple_pay": "{\"epochTimestamp\":1700000000000,\"merchantSessionIdentifier\":\"SSH1234\"}",
  "meta": {
    "request_id": "018f2c1a-8b3a-7e6d-9f10-2a3b4c5d6e7f",
    "timestamp": "2026-04-01T12:00:00Z"
  }
}

{
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z"
  }
}

{
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z",
    "code": "payment_in_progress",
    "shop_url": "<string>",
    "cart": {}
  }
}

{
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z",
    "shop_url": "<string>",
    "cart": {}
  }
}

{
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z"
  }
}