curl --request GET \
  --url https://v2.55-tech.com/futures/betslip \
  --header 'x-api-key: <api-key>'

import requests

url = "https://v2.55-tech.com/futures/betslip"

headers = {"x-api-key": "<api-key>"}

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

print(response.text)

const options = {method: 'GET', headers: {'x-api-key': '<api-key>'}};

fetch('https://v2.55-tech.com/futures/betslip', 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://v2.55-tech.com/futures/betslip",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "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"
	"net/http"
	"io"
)

func main() {

	url := "https://v2.55-tech.com/futures/betslip"

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

	req.Header.Add("x-api-key", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://v2.55-tech.com/futures/betslip")
  .header("x-api-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://v2.55-tech.com/futures/betslip")

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

request = Net::HTTP::Get.new(url)
request["x-api-key"] = '<api-key>'

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

{
  "futureId": "id1012639310001",
  "futureOutcomeId": 0,
  "participantId": 7193,
  "client": "demo",
  "userRef": null,
  "futureInfo": {
    "futureId": "id1012639310001",
    "sportId": 10,
    "seasonId": 126393,
    "tournamentId": 17,
    "statusId": 0,
    "startTime": 1760000000,
    "endTime": null
  },
  "outcomeInfo": null,
  "odds": {
    "polymarket": {
      "id1012639310001:polymarket:0:7193": {
        "price": 4.2,
        "limit": 2500,
        "limitMin": 1,
        "limitCurrency": "USD",
        "limitUsd": 2500,
        "limitMinUsd": 1,
        "active": true,
        "account": "0xAe58B89E84a625C8D0b7E630f40Cb163fcA73F01",
        "currencyInfo": {
          "currency": "USD",
          "currencyValue": 1,
          "updatedAt": "2026-10-09T09:12:04+00:00"
        },
        "bookmakerFixtureId": null,
        "bookmakerMarketId": "10001",
        "bookmakerOutcomeId": "475604749945647560845331314831514336920894613040458588818765764150561104610",
        "meta": null
      }
    }
  }
}

{
  "detail": "futureOutcomeId 0 with participantId 0 names no selection"
}

{
  "detail": "SportId '10' not allowed"
}

{
  "detail": "No odds found for given parameters"
}

{
  "detail": "Futures betslip is not yet available. ABP implements the OddsPAPI db-v2 futures identifier scheme only, and the feed still publishes the current-state one, so futures ingest is disabled (ODDSPAPI_FUTURES_ENABLED=false) and nothing is cached. This endpoint answers 501 rather than an empty 200 that would read as 'no odds'. Futures identifiers ARE validated here: a malformed request is a 400/422 even today."
}