curl --request POST \
  --url https://api.exchange.fairx.net/rest/valid-series \
  --header 'Content-Type: application/json' \
  --data '
{
  "product_codes": [
    "BIP"
  ],
  "symbols": [
    "BIPZ30",
    "B*"
  ],
  "instrument_ids": [
    1234,
    12345
  ],
  "trading_states": [
    "PRE_OPEN",
    "EXPIRED"
  ],
  "activation_date": "2026-02-12",
  "expiration_date": "2026-02-12"
}
'

import requests

url = "https://api.exchange.fairx.net/rest/valid-series"

payload = {
    "product_codes": ["BIP"],
    "symbols": ["BIPZ30", "B*"],
    "instrument_ids": [1234, 12345],
    "trading_states": ["PRE_OPEN", "EXPIRED"],
    "activation_date": "2026-02-12",
    "expiration_date": "2026-02-12"
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    product_codes: ['BIP'],
    symbols: ['BIPZ30', 'B*'],
    instrument_ids: [1234, 12345],
    trading_states: ['PRE_OPEN', 'EXPIRED'],
    activation_date: '2026-02-12',
    expiration_date: '2026-02-12'
  })
};

fetch('https://api.exchange.fairx.net/rest/valid-series', 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.exchange.fairx.net/rest/valid-series",
  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([
    'product_codes' => [
        'BIP'
    ],
    'symbols' => [
        'BIPZ30',
        'B*'
    ],
    'instrument_ids' => [
        1234,
        12345
    ],
    'trading_states' => [
        'PRE_OPEN',
        'EXPIRED'
    ],
    'activation_date' => '2026-02-12',
    'expiration_date' => '2026-02-12'
  ]),
  CURLOPT_HTTPHEADER => [
    "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.exchange.fairx.net/rest/valid-series"

	payload := strings.NewReader("{\n  \"product_codes\": [\n    \"BIP\"\n  ],\n  \"symbols\": [\n    \"BIPZ30\",\n    \"B*\"\n  ],\n  \"instrument_ids\": [\n    1234,\n    12345\n  ],\n  \"trading_states\": [\n    \"PRE_OPEN\",\n    \"EXPIRED\"\n  ],\n  \"activation_date\": \"2026-02-12\",\n  \"expiration_date\": \"2026-02-12\"\n}")

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

	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.exchange.fairx.net/rest/valid-series")
  .header("Content-Type", "application/json")
  .body("{\n  \"product_codes\": [\n    \"BIP\"\n  ],\n  \"symbols\": [\n    \"BIPZ30\",\n    \"B*\"\n  ],\n  \"instrument_ids\": [\n    1234,\n    12345\n  ],\n  \"trading_states\": [\n    \"PRE_OPEN\",\n    \"EXPIRED\"\n  ],\n  \"activation_date\": \"2026-02-12\",\n  \"expiration_date\": \"2026-02-12\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.exchange.fairx.net/rest/valid-series")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"product_codes\": [\n    \"BIP\"\n  ],\n  \"symbols\": [\n    \"BIPZ30\",\n    \"B*\"\n  ],\n  \"instrument_ids\": [\n    1234,\n    12345\n  ],\n  \"trading_states\": [\n    \"PRE_OPEN\",\n    \"EXPIRED\"\n  ],\n  \"activation_date\": \"2026-02-12\",\n  \"expiration_date\": \"2026-02-12\"\n}"

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

[
  {
    "product_code": "BIT",
    "symbol_display_expiry": "20260300",
    "contract_size": 50.5,
    "contract_unit": "Bitcoin",
    "security_type": "F",
    "first_trading_date": "20250627",
    "last_trading_date": "20260225",
    "settlement_date": "20260226",
    "available_for24x7": true
  }
]