curl --request POST \
  --url https://api.staging.payrails.io/token/connections/{connectionId}/proxy \
  --header 'Content-Type: application/json' \
  --header 'Payrails-Authorization: <payrails-authorization>' \
  --header 'Payrails-Destination: <payrails-destination>' \
  --data '
{
  "cards": {
    "number": "9f7d2406-456d-401e-a77b-16b733d95414",
    "securityCode": "e211808e-316f-4877-9899-a2fa711d5fb7",
    "expiryMonth": "fe7a9af7-157f-4982-807d-ed32407e02fb",
    "expiryYear": "d1a373d4-e681-460b-b6a8-e57b8e029d40"
  }
}
'

import requests

url = "https://api.staging.payrails.io/token/connections/{connectionId}/proxy"

payload = { "cards": {
        "number": "9f7d2406-456d-401e-a77b-16b733d95414",
        "securityCode": "e211808e-316f-4877-9899-a2fa711d5fb7",
        "expiryMonth": "fe7a9af7-157f-4982-807d-ed32407e02fb",
        "expiryYear": "d1a373d4-e681-460b-b6a8-e57b8e029d40"
    } }
headers = {
    "Payrails-Authorization": "<payrails-authorization>",
    "Payrails-Destination": "<payrails-destination>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'Payrails-Authorization': '<payrails-authorization>',
    'Payrails-Destination': '<payrails-destination>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    cards: {
      number: '9f7d2406-456d-401e-a77b-16b733d95414',
      securityCode: 'e211808e-316f-4877-9899-a2fa711d5fb7',
      expiryMonth: 'fe7a9af7-157f-4982-807d-ed32407e02fb',
      expiryYear: 'd1a373d4-e681-460b-b6a8-e57b8e029d40'
    }
  })
};

fetch('https://api.staging.payrails.io/token/connections/{connectionId}/proxy', 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.staging.payrails.io/token/connections/{connectionId}/proxy",
  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([
    'cards' => [
        'number' => '9f7d2406-456d-401e-a77b-16b733d95414',
        'securityCode' => 'e211808e-316f-4877-9899-a2fa711d5fb7',
        'expiryMonth' => 'fe7a9af7-157f-4982-807d-ed32407e02fb',
        'expiryYear' => 'd1a373d4-e681-460b-b6a8-e57b8e029d40'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "Payrails-Authorization: <payrails-authorization>",
    "Payrails-Destination: <payrails-destination>"
  ],
]);

$response = curl_exec($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.staging.payrails.io/token/connections/{connectionId}/proxy"

	payload := strings.NewReader("{\n  \"cards\": {\n    \"number\": \"9f7d2406-456d-401e-a77b-16b733d95414\",\n    \"securityCode\": \"e211808e-316f-4877-9899-a2fa711d5fb7\",\n    \"expiryMonth\": \"fe7a9af7-157f-4982-807d-ed32407e02fb\",\n    \"expiryYear\": \"d1a373d4-e681-460b-b6a8-e57b8e029d40\"\n  }\n}")

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

	req.Header.Add("Payrails-Authorization", "<payrails-authorization>")
	req.Header.Add("Payrails-Destination", "<payrails-destination>")
	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.staging.payrails.io/token/connections/{connectionId}/proxy")
  .header("Payrails-Authorization", "<payrails-authorization>")
  .header("Payrails-Destination", "<payrails-destination>")
  .header("Content-Type", "application/json")
  .body("{\n  \"cards\": {\n    \"number\": \"9f7d2406-456d-401e-a77b-16b733d95414\",\n    \"securityCode\": \"e211808e-316f-4877-9899-a2fa711d5fb7\",\n    \"expiryMonth\": \"fe7a9af7-157f-4982-807d-ed32407e02fb\",\n    \"expiryYear\": \"d1a373d4-e681-460b-b6a8-e57b8e029d40\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.staging.payrails.io/token/connections/{connectionId}/proxy")

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

request = Net::HTTP::Post.new(url)
request["Payrails-Authorization"] = '<payrails-authorization>'
request["Payrails-Destination"] = '<payrails-destination>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"cards\": {\n    \"number\": \"9f7d2406-456d-401e-a77b-16b733d95414\",\n    \"securityCode\": \"e211808e-316f-4877-9899-a2fa711d5fb7\",\n    \"expiryMonth\": \"fe7a9af7-157f-4982-807d-ed32407e02fb\",\n    \"expiryYear\": \"d1a373d4-e681-460b-b6a8-e57b8e029d40\"\n  }\n}"

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

{
  "cards": {
    "number": "4111111111111111",
    "securityCode": "111",
    "expiryMonth": "01",
    "expiryYear": "35"
  }
}

{
  "errors": [
    {
      "id": "a24bc325-3929-4d9d-9c08-b3aa532685b7",
      "code": "request.entity-too-large",
      "detail": "The request entity is too large",
      "docUrl": "https://docs.payrails.com/docs/resources/error-codes#requestentity-too-large"
    }
  ]
}