curl -X POST https://api.relayer.fi/v1/action/builders/crosschain-transfer \
  -H "Authorization: ApiKey $RELAYER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "fromChain":  "base",
    "toChain":    "arbitrum",
    "token":      "USDC",
    "to":         "0xRecipient...",
    "amount":     "50"
  }'

const response = await fetch("https://api.relayer.fi/v1/action/builders/crosschain-transfer", {
  method: "POST",
  headers: {
    Authorization: `ApiKey ${process.env.RELAYER_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    fromChain: "base",
    toChain: "arbitrum",
    token: "USDC",
    to: recipientAddress,
    amount: "50",
  }),
});

import requests

url = "https://testnet.relayer.fi/v1/action/builders/crosschain-transfer"

payload = {
    "title": "Transfer AVAX to ETH",
    "description": "Transfer AVAX from Avalanche and receive ETH on Ethereum",
    "icon": "https://example.com/transfer-icon.png",
    "url": "https://example.com/transfer",
    "sourceChainId": 43114,
    "destinationChainId": 1,
    "address": "0xb00D916688FEE4aB6646994104E1441446947fc9"
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    title: 'Transfer AVAX to ETH',
    description: 'Transfer AVAX from Avalanche and receive ETH on Ethereum',
    icon: 'https://example.com/transfer-icon.png',
    url: 'https://example.com/transfer',
    sourceChainId: 43114,
    destinationChainId: 1,
    address: '0xb00D916688FEE4aB6646994104E1441446947fc9'
  })
};

fetch('https://testnet.relayer.fi/v1/action/builders/crosschain-transfer', 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://testnet.relayer.fi/v1/action/builders/crosschain-transfer",
  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([
    'title' => 'Transfer AVAX to ETH',
    'description' => 'Transfer AVAX from Avalanche and receive ETH on Ethereum',
    'icon' => 'https://example.com/transfer-icon.png',
    'url' => 'https://example.com/transfer',
    'sourceChainId' => 43114,
    'destinationChainId' => 1,
    'address' => '0xb00D916688FEE4aB6646994104E1441446947fc9'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "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://testnet.relayer.fi/v1/action/builders/crosschain-transfer"

	payload := strings.NewReader("{\n  \"title\": \"Transfer AVAX to ETH\",\n  \"description\": \"Transfer AVAX from Avalanche and receive ETH on Ethereum\",\n  \"icon\": \"https://example.com/transfer-icon.png\",\n  \"url\": \"https://example.com/transfer\",\n  \"sourceChainId\": 43114,\n  \"destinationChainId\": 1,\n  \"address\": \"0xb00D916688FEE4aB6646994104E1441446947fc9\"\n}")

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

	req.Header.Add("Authorization", "<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://testnet.relayer.fi/v1/action/builders/crosschain-transfer")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"title\": \"Transfer AVAX to ETH\",\n  \"description\": \"Transfer AVAX from Avalanche and receive ETH on Ethereum\",\n  \"icon\": \"https://example.com/transfer-icon.png\",\n  \"url\": \"https://example.com/transfer\",\n  \"sourceChainId\": 43114,\n  \"destinationChainId\": 1,\n  \"address\": \"0xb00D916688FEE4aB6646994104E1441446947fc9\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://testnet.relayer.fi/v1/action/builders/crosschain-transfer")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"title\": \"Transfer AVAX to ETH\",\n  \"description\": \"Transfer AVAX from Avalanche and receive ETH on Ethereum\",\n  \"icon\": \"https://example.com/transfer-icon.png\",\n  \"url\": \"https://example.com/transfer\",\n  \"sourceChainId\": 43114,\n  \"destinationChainId\": 1,\n  \"address\": \"0xb00D916688FEE4aB6646994104E1441446947fc9\"\n}"

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

{
  "success": true,
  "metadata": {}
}

{
  "success": true,
  "message": "<string>",
  "statusCode": 123,
  "timestamp": "<string>",
  "data": {},
  "path": "<string>",
  "traceId": "<string>"
}

{
  "success": true,
  "message": "<string>",
  "statusCode": 123,
  "timestamp": "<string>",
  "data": {},
  "path": "<string>",
  "traceId": "<string>"
}

{
  "success": true,
  "message": "<string>",
  "statusCode": 123,
  "timestamp": "<string>",
  "data": {},
  "path": "<string>",
  "traceId": "<string>"
}

{
  "success": true,
  "message": "<string>",
  "statusCode": 123,
  "timestamp": "<string>",
  "data": {},
  "path": "<string>",
  "traceId": "<string>"
}