curl --request POST \
  --url https://production.hifi.com/v3/swaps/{swapId}/quote/accept \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://production.hifi.com/v3/swaps/{swapId}/quote/accept"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

const options = {method: 'POST', headers: {Authorization: 'Bearer <token>'}};

fetch('https://production.hifi.com/v3/swaps/{swapId}/quote/accept', 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://production.hifi.com/v3/swaps/{swapId}/quote/accept",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://production.hifi.com/v3/swaps/{swapId}/quote/accept"

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

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://production.hifi.com/v3/swaps/{swapId}/quote/accept")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://production.hifi.com/v3/swaps/{swapId}/quote/accept")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "id": "swap_7bV1aLcs3Kf9dQ2mNpXwZ",
  "requestId": "a1b2c3d4-e5f6-4a7b-8c9d-0e1f2a3b4c5d",
  "status": "CREATED",
  "error": null,
  "errorDetails": null,
  "amount": "100",
  "source": {
    "userId": "usr_3Kf9dQ2mNpXwZ7bV1aLcs",
    "walletId": "wlt_3Kf9dQ2mNpXwZ7bV1aLcs",
    "currency": "USDC",
    "chain": "POLYGON"
  },
  "destination": {
    "userId": "usr_7bV1aLcs3Kf9dQ2mNpXwZ",
    "walletId": "wlt_7bV1aLcs3Kf9dQ2mNpXwZ",
    "externalWalletId": null,
    "currency": "USDT",
    "chain": "POLYGON"
  },
  "receipt": {
    "transactionHash": null
  },
  "quote": {
    "sendGross": {
      "amount": "100",
      "currency": "USDC"
    },
    "sendNet": {
      "amount": "100",
      "currency": "USDC"
    },
    "receiveGross": {
      "amount": "100",
      "currency": "USDT"
    },
    "receiveNet": {
      "amount": "100",
      "currency": "USDT"
    },
    "rate": "1.0",
    "expiresAt": "2026-07-01T10:35:00.000Z"
  },
  "createdAt": "2026-07-01T10:30:00.000Z",
  "updatedAt": "2026-07-01T10:33:00.000Z"
}

{
  "type": "VALIDATION_ERROR",
  "message": "One or more fields are invalid or missing.",
  "fields": [
    {
      "code": "invalid_value",
      "message": "Must be a valid email address",
      "field": "email"
    }
  ]
}

{
  "type": "UNAUTHORIZED",
  "message": "Authentication required"
}

{
  "type": "RESOURCE_NOT_FOUND",
  "message": "<string>",
  "fields": [
    {
      "code": "<string>",
      "message": "<string>",
      "field": "<string>"
    }
  ]
}

{
  "type": "RESOURCE_CONFLICT",
  "message": "Resource already exists or conflicts with current state"
}

{
  "type": "INTERNAL_SERVER_ERROR",
  "message": "An internal server error occurred"
}