curl --request POST \
  --url https://hip4-api.totalis.trade/v1/quotes/{quote_id}/accept \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --data '
{
  "taker_signature": "0xabababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababab1b"
}
'

import requests

url = "https://hip4-api.totalis.trade/v1/quotes/{quote_id}/accept"

payload = { "taker_signature": "0xabababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababab1b" }
headers = {
    "Idempotency-Key": "<idempotency-key>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'Idempotency-Key': '<idempotency-key>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    taker_signature: '0xabababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababab1b'
  })
};

fetch('https://hip4-api.totalis.trade/v1/quotes/{quote_id}/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://hip4-api.totalis.trade/v1/quotes/{quote_id}/accept",
  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([
    'taker_signature' => '0xabababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababab1b'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "Idempotency-Key: <idempotency-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://hip4-api.totalis.trade/v1/quotes/{quote_id}/accept"

	payload := strings.NewReader("{\n  \"taker_signature\": \"0xabababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababab1b\"\n}")

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

	req.Header.Add("Idempotency-Key", "<idempotency-key>")
	req.Header.Add("Authorization", "Bearer <token>")
	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://hip4-api.totalis.trade/v1/quotes/{quote_id}/accept")
  .header("Idempotency-Key", "<idempotency-key>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"taker_signature\": \"0xabababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababab1b\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://hip4-api.totalis.trade/v1/quotes/{quote_id}/accept")

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

request = Net::HTTP::Post.new(url)
request["Idempotency-Key"] = '<idempotency-key>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"taker_signature\": \"0xabababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababababab1b\"\n}"

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

{
  "acceptance_id": "01a0df4e-6269-78d2-a4f6-a1b3c5d7e9f8",
  "quote_id": "0x5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e",
  "rfq_id": "01a0df4e-5e07-7a3c-8f21-d4e6b7a90c1a",
  "status": "ACCEPTED",
  "deadline": "2026-09-26T20:00:53.352Z",
  "operation_id": "0x9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a9a"
}

{
  "error": {
    "code": "INVALID_REQUEST",
    "field_violations": [
      {
        "code": "REQUIRED",
        "field": "<string>"
      }
    ],
    "message": "<string>",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "retry": "NEVER"
  }
}

{
  "error": {
    "code": "INVALID_REQUEST",
    "field_violations": [
      {
        "code": "REQUIRED",
        "field": "<string>"
      }
    ],
    "message": "<string>",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "retry": "NEVER"
  }
}

{
  "error": {
    "code": "INVALID_REQUEST",
    "field_violations": [
      {
        "code": "REQUIRED",
        "field": "<string>"
      }
    ],
    "message": "<string>",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "retry": "NEVER"
  }
}

{
  "error": {
    "code": "INVALID_REQUEST",
    "field_violations": [
      {
        "code": "REQUIRED",
        "field": "<string>"
      }
    ],
    "message": "<string>",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "retry": "NEVER"
  }
}

{
  "error": {
    "code": "INVALID_REQUEST",
    "field_violations": [
      {
        "code": "REQUIRED",
        "field": "<string>"
      }
    ],
    "message": "<string>",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "retry": "NEVER"
  }
}

{
  "error": {
    "code": "INVALID_REQUEST",
    "field_violations": [
      {
        "code": "REQUIRED",
        "field": "<string>"
      }
    ],
    "message": "<string>",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "retry": "NEVER"
  }
}

{
  "error": {
    "code": "INVALID_REQUEST",
    "field_violations": [
      {
        "code": "REQUIRED",
        "field": "<string>"
      }
    ],
    "message": "<string>",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "retry": "NEVER"
  }
}

{
  "error": {
    "code": "INVALID_REQUEST",
    "field_violations": [
      {
        "code": "REQUIRED",
        "field": "<string>"
      }
    ],
    "message": "<string>",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "retry": "NEVER"
  }
}