curl --request POST \
  --url https://api-sandbox.endl.io/api/v0/quotes/{userId}/generate \
  --header 'API-KEY: <api-key>' \
  --header 'Api-Version: <api-version>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "depositRail": "CRYPTO",
  "payoutRail": "BANK_TRANSFER",
  "accountType": "INDIVIDUAL",
  "source": {
    "currency": "USDC",
    "amount": 100,
    "chain": "ethereum"
  },
  "destination": {
    "currency": "VND"
  }
}
'

import requests

url = "https://api-sandbox.endl.io/api/v0/quotes/{userId}/generate"

payload = {
    "depositRail": "CRYPTO",
    "payoutRail": "BANK_TRANSFER",
    "accountType": "INDIVIDUAL",
    "source": {
        "currency": "USDC",
        "amount": 100,
        "chain": "ethereum"
    },
    "destination": { "currency": "VND" }
}
headers = {
    "Api-Version": "<api-version>",
    "API-KEY": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'Api-Version': '<api-version>',
    'API-KEY': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    depositRail: 'CRYPTO',
    payoutRail: 'BANK_TRANSFER',
    accountType: 'INDIVIDUAL',
    source: {currency: 'USDC', amount: 100, chain: 'ethereum'},
    destination: {currency: 'VND'}
  })
};

fetch('https://api-sandbox.endl.io/api/v0/quotes/{userId}/generate', 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-sandbox.endl.io/api/v0/quotes/{userId}/generate",
  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([
    'depositRail' => 'CRYPTO',
    'payoutRail' => 'BANK_TRANSFER',
    'accountType' => 'INDIVIDUAL',
    'source' => [
        'currency' => 'USDC',
        'amount' => 100,
        'chain' => 'ethereum'
    ],
    'destination' => [
        'currency' => 'VND'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "API-KEY: <api-key>",
    "Api-Version: <api-version>",
    "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://api-sandbox.endl.io/api/v0/quotes/{userId}/generate"

	payload := strings.NewReader("{\n  \"depositRail\": \"CRYPTO\",\n  \"payoutRail\": \"BANK_TRANSFER\",\n  \"accountType\": \"INDIVIDUAL\",\n  \"source\": {\n    \"currency\": \"USDC\",\n    \"amount\": 100,\n    \"chain\": \"ethereum\"\n  },\n  \"destination\": {\n    \"currency\": \"VND\"\n  }\n}")

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

	req.Header.Add("Api-Version", "<api-version>")
	req.Header.Add("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://api-sandbox.endl.io/api/v0/quotes/{userId}/generate")
  .header("Api-Version", "<api-version>")
  .header("API-KEY", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"depositRail\": \"CRYPTO\",\n  \"payoutRail\": \"BANK_TRANSFER\",\n  \"accountType\": \"INDIVIDUAL\",\n  \"source\": {\n    \"currency\": \"USDC\",\n    \"amount\": 100,\n    \"chain\": \"ethereum\"\n  },\n  \"destination\": {\n    \"currency\": \"VND\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-sandbox.endl.io/api/v0/quotes/{userId}/generate")

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

request = Net::HTTP::Post.new(url)
request["Api-Version"] = '<api-version>'
request["API-KEY"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"depositRail\": \"CRYPTO\",\n  \"payoutRail\": \"BANK_TRANSFER\",\n  \"accountType\": \"INDIVIDUAL\",\n  \"source\": {\n    \"currency\": \"USDC\",\n    \"amount\": 100,\n    \"chain\": \"ethereum\"\n  },\n  \"destination\": {\n    \"currency\": \"VND\"\n  }\n}"

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

{
  "partnerId": "ptr_6QvK3nR8yT2mWd5XcJhP",
  "depositRail": "CRYPTO",
  "source": {
    "amount": 1000,
    "amountToConvert": 996.5,
    "amountToConvertActual": 996.5,
    "currency": "USDC",
    "chain": "ethereum"
  },
  "destination": {
    "amount": 995.51,
    "currency": "USDT",
    "chain": "tron"
  },
  "quoteId": "qut_4RmP8kY2wN6tJc3VfBxQ",
  "expiresOn": "2026-10-09T11:52:19.317Z",
  "bonusAmount": null,
  "fxRate": 0.999,
  "feeList": [
    {
      "feeType": "PLATFORM_FEE",
      "feeCategoryTypeEnum": "PLATFORM_FEE",
      "feeName": "Platform fee",
      "feeAmount": 2.5,
      "feeAmountActual": 2.5,
      "feeCurrency": "USDC",
      "feePercent": null,
      "tax": false
    },
    {
      "feeType": "GAS_FEE",
      "feeCategoryTypeEnum": "GAS_FEE",
      "feeName": "Gas fee",
      "feeAmount": 1,
      "feeAmountActual": 1,
      "feeCurrency": "USDC",
      "feePercent": null,
      "tax": false
    }
  ],
  "feeTotal": 3.5,
  "feeTotalActual": 3.5,
  "feeCurrency": "USDC",
  "coupon": null,
  "gasFeeBreakdown": {
    "actualGasFee": 1,
    "overrideGasFee": null,
    "chargedGasFee": 1,
    "overridden": false,
    "feeCurrency": "USDC"
  }
}

{
  "data": {},
  "code": 400,
  "status": "Error",
  "message": "Validation Failed",
  "errors": [
    {
      "code": "400",
      "message": "valid payoutRail is required",
      "field": "valid payoutRail is required"
    },
    {
      "code": "400",
      "message": "valid accountType is required - INDIVIDUAL/BUSINESS",
      "field": "valid accountType is required - INDIVIDUAL/BUSINESS"
    }
  ]
}

{
  "data": null,
  "code": 401,
  "message": "Authentication Failed!",
  "status": "Error",
  "errors": [
    {
      "code": "401",
      "message": "Authentication Failed!",
      "field": "Authentication Failed!"
    }
  ]
}

{
  "data": null,
  "code": 403,
  "message": "API key does not have the required permission",
  "status": "Error",
  "errors": [
    {
      "code": "403",
      "message": "API key does not have the required permission",
      "field": "API key does not have the required permission"
    }
  ]
}

{
  "code": 404,
  "message": "Resource not found",
  "status": "ERROR",
  "data": null,
  "errors": [
    {
      "code": "NOT_FOUND",
      "message": "Resource not found",
      "field": null
    }
  ]
}

{
  "code": 409,
  "message": "The request conflicts with the current state of the resource",
  "status": "ERROR",
  "data": null,
  "errors": [
    {
      "code": "CONFLICT",
      "message": "The request conflicts with the current state of the resource",
      "field": null
    }
  ]
}

{
  "data": null,
  "code": 429,
  "message": "Rate limit exceeded, please retry later",
  "status": "Error",
  "errors": [
    {
      "code": "429",
      "message": "Rate limit exceeded, please retry later",
      "field": "Rate limit exceeded, please retry later"
    }
  ]
}

{
  "errors": [
    {
      "code": "500",
      "message": "An unexpected error occurred, you may try again later"
    }
  ]
}

{
  "data": null,
  "code": 502,
  "message": "Upstream service error",
  "status": "Error",
  "errors": null
}

{
  "code": 503,
  "message": "Credentials could not be verified right now",
  "status": "ERROR",
  "data": null,
  "errors": [
    {
      "code": "DIRECTORY_UNAVAILABLE",
      "message": "Credentials could not be verified right now",
      "field": null
    }
  ]
}