POST /v1/sell/quotes: Quote a Steam Inventory for Instant Sell

curl --request POST \
  --url https://csboard.com/v1/sell/quotes \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "trade_url": "https://steamcommunity.com/tradeoffer/new/?partner=123456789&token=AbCdEfGh",
  "app_id": 730,
  "split": true
}
'

import requests

url = "https://csboard.com/v1/sell/quotes"

payload = {
    "trade_url": "https://steamcommunity.com/tradeoffer/new/?partner=123456789&token=AbCdEfGh",
    "app_id": 730,
    "split": True
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    trade_url: 'https://steamcommunity.com/tradeoffer/new/?partner=123456789&token=AbCdEfGh',
    app_id: 730,
    split: true
  })
};

fetch('https://csboard.com/v1/sell/quotes', 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://csboard.com/v1/sell/quotes",
  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([
    'trade_url' => 'https://steamcommunity.com/tradeoffer/new/?partner=123456789&token=AbCdEfGh',
    'app_id' => 730,
    'split' => true
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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://csboard.com/v1/sell/quotes"

	payload := strings.NewReader("{\n  \"trade_url\": \"https://steamcommunity.com/tradeoffer/new/?partner=123456789&token=AbCdEfGh\",\n  \"app_id\": 730,\n  \"split\": true\n}")

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

	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://csboard.com/v1/sell/quotes")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"trade_url\": \"https://steamcommunity.com/tradeoffer/new/?partner=123456789&token=AbCdEfGh\",\n  \"app_id\": 730,\n  \"split\": true\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://csboard.com/v1/sell/quotes")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"trade_url\": \"https://steamcommunity.com/tradeoffer/new/?partner=123456789&token=AbCdEfGh\",\n  \"app_id\": 730,\n  \"split\": true\n}"

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

{
  "items": [
    {
      "asset_id": "41165110534",
      "app_id": 730,
      "market_hash_name": "AK-47 | Redline (Field-Tested)",
      "price_usd": 48.3,
      "float": 0.23,
      "phase": null,
      "icon_url": null,
      "offer_group": "a"
    },
    {
      "asset_id": "41165110599",
      "app_id": 730,
      "market_hash_name": "Glock-18 | Water Elemental (Minimal Wear)",
      "price_usd": 13.12,
      "float": 0.11,
      "phase": null,
      "icon_url": null,
      "offer_group": "b"
    }
  ],
  "expires_at": "2026-10-06T14:04:11Z"
}

{
  "code": "invalid_trade_url",
  "detail": "The trade URL is malformed or does not resolve to a Steam account."
}

{
  "code": "missing_api_key",
  "detail": "Provide your API key via `Authorization: Bearer csb_pub_…`. Generate one at https://csboard.com/profile?tab=api"
}

{
  "code": "selling_not_enabled",
  "detail": "Instant Sell API is granted per-account. Contact support@csboard.com to request access."
}

{
  "code": "unsupported_game",
  "detail": "app_id 570 is not open for instant sell on this key. Supported: 730, 252490.",
  "supported_app_ids": [
    730,
    252490
  ]
}

{
  "code": "rate_limit_exceeded",
  "detail": "Rate limit of 100 requests/min exceeded."
}

{
  "code": "sell_disabled",
  "detail": "Instant Sell API is temporarily disabled."
}