curl --request POST \
  --url https://lightswap.me/api/partner/v1/quote \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "from": {
    "network": "bitcoin",
    "token": "BTC",
    "amount": "0.01"
  },
  "to": {
    "network": "tron",
    "token": "USDT"
  },
  "customerId": "u_123",
  "externalId": "order-123"
}
'

import requests

url = "https://lightswap.me/api/partner/v1/quote"

payload = {
    "from": {
        "network": "bitcoin",
        "token": "BTC",
        "amount": "0.01"
    },
    "to": {
        "network": "tron",
        "token": "USDT"
    },
    "customerId": "u_123",
    "externalId": "order-123"
}
headers = {
    "x-api-key": "<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>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    from: {network: 'bitcoin', token: 'BTC', amount: '0.01'},
    to: {network: 'tron', token: 'USDT'},
    customerId: 'u_123',
    externalId: 'order-123'
  })
};

fetch('https://lightswap.me/api/partner/v1/quote', 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://lightswap.me/api/partner/v1/quote",
  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([
    'from' => [
        'network' => 'bitcoin',
        'token' => 'BTC',
        'amount' => '0.01'
    ],
    'to' => [
        'network' => 'tron',
        'token' => 'USDT'
    ],
    'customerId' => 'u_123',
    'externalId' => 'order-123'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <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://lightswap.me/api/partner/v1/quote"

	payload := strings.NewReader("{\n  \"from\": {\n    \"network\": \"bitcoin\",\n    \"token\": \"BTC\",\n    \"amount\": \"0.01\"\n  },\n  \"to\": {\n    \"network\": \"tron\",\n    \"token\": \"USDT\"\n  },\n  \"customerId\": \"u_123\",\n  \"externalId\": \"order-123\"\n}")

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

	req.Header.Add("x-api-key", "<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://lightswap.me/api/partner/v1/quote")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"from\": {\n    \"network\": \"bitcoin\",\n    \"token\": \"BTC\",\n    \"amount\": \"0.01\"\n  },\n  \"to\": {\n    \"network\": \"tron\",\n    \"token\": \"USDT\"\n  },\n  \"customerId\": \"u_123\",\n  \"externalId\": \"order-123\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://lightswap.me/api/partner/v1/quote")

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["Content-Type"] = 'application/json'
request.body = "{\n  \"from\": {\n    \"network\": \"bitcoin\",\n    \"token\": \"BTC\",\n    \"amount\": \"0.01\"\n  },\n  \"to\": {\n    \"network\": \"tron\",\n    \"token\": \"USDT\"\n  },\n  \"customerId\": \"u_123\",\n  \"externalId\": \"order-123\"\n}"

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

{
  "id": "pq_aaaaaaaaaaaaaaaaaaaaaaaa",
  "expiresAt": "2026-04-19T10:03:00.000Z",
  "from": {
    "decimals": 8,
    "network": "bitcoin",
    "token": "BTC",
    "amount": "0.01"
  },
  "to": {
    "decimals": 6,
    "network": "tron",
    "token": "USDT",
    "estimatedAmount": "100"
  },
  "rate": "10000",
  "minAmountIn": "0.001",
  "maxAmountIn": "1",
  "estimatedTimeSeconds": 900
}

{
  "error": {
    "code": "validation_error",
    "message": "quoteId is invalid.",
    "details": {}
  },
  "requestId": "req_123"
}

{
  "error": {
    "code": "rate_limited",
    "message": "Too many API requests. Please wait a moment and try again.",
    "details": {}
  },
  "requestId": "req_123"
}