curl --request POST \
  --url https://qa-api.endl.xyz/api/v0/transactions/{userId}/pre-txn \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --header 'X-API-SECRET: <api-key>' \
  --data '
{
  "quoteId": "e5f6a7b8-9c0d-4e1f-2a3b-4c5d6e7f8091",
  "fromAddress": "0xa0b1c2d3e4f5060708090a0b1c2d3e4f50607080",
  "recipientId": "d4e5f6a7-8b9c-4d0e-1f2a-3b4c5d6e7f80",
  "transferPurposeCode": "IR001"
}
'

import requests

url = "https://qa-api.endl.xyz/api/v0/transactions/{userId}/pre-txn"

payload = {
    "quoteId": "e5f6a7b8-9c0d-4e1f-2a3b-4c5d6e7f8091",
    "fromAddress": "0xa0b1c2d3e4f5060708090a0b1c2d3e4f50607080",
    "recipientId": "d4e5f6a7-8b9c-4d0e-1f2a-3b4c5d6e7f80",
    "transferPurposeCode": "IR001"
}
headers = {
    "X-API-KEY": "<api-key>",
    "X-API-SECRET": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'X-API-KEY': '<api-key>',
    'X-API-SECRET': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    quoteId: 'e5f6a7b8-9c0d-4e1f-2a3b-4c5d6e7f8091',
    fromAddress: '0xa0b1c2d3e4f5060708090a0b1c2d3e4f50607080',
    recipientId: 'd4e5f6a7-8b9c-4d0e-1f2a-3b4c5d6e7f80',
    transferPurposeCode: 'IR001'
  })
};

fetch('https://qa-api.endl.xyz/api/v0/transactions/{userId}/pre-txn', 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://qa-api.endl.xyz/api/v0/transactions/{userId}/pre-txn",
  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([
    'quoteId' => 'e5f6a7b8-9c0d-4e1f-2a3b-4c5d6e7f8091',
    'fromAddress' => '0xa0b1c2d3e4f5060708090a0b1c2d3e4f50607080',
    'recipientId' => 'd4e5f6a7-8b9c-4d0e-1f2a-3b4c5d6e7f80',
    'transferPurposeCode' => 'IR001'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-KEY: <api-key>",
    "X-API-SECRET: <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://qa-api.endl.xyz/api/v0/transactions/{userId}/pre-txn"

	payload := strings.NewReader("{\n  \"quoteId\": \"e5f6a7b8-9c0d-4e1f-2a3b-4c5d6e7f8091\",\n  \"fromAddress\": \"0xa0b1c2d3e4f5060708090a0b1c2d3e4f50607080\",\n  \"recipientId\": \"d4e5f6a7-8b9c-4d0e-1f2a-3b4c5d6e7f80\",\n  \"transferPurposeCode\": \"IR001\"\n}")

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

	req.Header.Add("X-API-KEY", "<api-key>")
	req.Header.Add("X-API-SECRET", "<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://qa-api.endl.xyz/api/v0/transactions/{userId}/pre-txn")
  .header("X-API-KEY", "<api-key>")
  .header("X-API-SECRET", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"quoteId\": \"e5f6a7b8-9c0d-4e1f-2a3b-4c5d6e7f8091\",\n  \"fromAddress\": \"0xa0b1c2d3e4f5060708090a0b1c2d3e4f50607080\",\n  \"recipientId\": \"d4e5f6a7-8b9c-4d0e-1f2a-3b4c5d6e7f80\",\n  \"transferPurposeCode\": \"IR001\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://qa-api.endl.xyz/api/v0/transactions/{userId}/pre-txn")

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

request = Net::HTTP::Post.new(url)
request["X-API-KEY"] = '<api-key>'
request["X-API-SECRET"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"quoteId\": \"e5f6a7b8-9c0d-4e1f-2a3b-4c5d6e7f8091\",\n  \"fromAddress\": \"0xa0b1c2d3e4f5060708090a0b1c2d3e4f50607080\",\n  \"recipientId\": \"d4e5f6a7-8b9c-4d0e-1f2a-3b4c5d6e7f80\",\n  \"transferPurposeCode\": \"IR001\"\n}"

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

{
  "code": 200,
  "message": "Success",
  "status": "SUCCESS",
  "data": {},
  "errors": []
}

{
  "code": 400,
  "message": "Validation failed",
  "status": "ERROR",
  "data": null,
  "errors": [
    {
      "code": "VALIDATION_ERROR",
      "message": "must not be blank",
      "field": "sourceAmount"
    }
  ]
}

{
  "code": 400,
  "message": "Validation failed",
  "status": "ERROR",
  "data": null,
  "errors": [
    {
      "code": "VALIDATION_ERROR",
      "message": "must not be blank",
      "field": "sourceAmount"
    }
  ]
}

{
  "code": 400,
  "message": "Validation failed",
  "status": "ERROR",
  "data": null,
  "errors": [
    {
      "code": "VALIDATION_ERROR",
      "message": "must not be blank",
      "field": "sourceAmount"
    }
  ]
}

{
  "code": 400,
  "message": "Validation failed",
  "status": "ERROR",
  "data": null,
  "errors": [
    {
      "code": "VALIDATION_ERROR",
      "message": "must not be blank",
      "field": "sourceAmount"
    }
  ]
}

{
  "code": 400,
  "message": "Validation failed",
  "status": "ERROR",
  "data": null,
  "errors": [
    {
      "code": "VALIDATION_ERROR",
      "message": "must not be blank",
      "field": "sourceAmount"
    }
  ]
}

{
  "code": 400,
  "message": "Validation failed",
  "status": "ERROR",
  "data": null,
  "errors": [
    {
      "code": "VALIDATION_ERROR",
      "message": "must not be blank",
      "field": "sourceAmount"
    }
  ]
}