curl --request POST \
  --url https://api-options.sandbox.rails.xyz/contracts/pricing \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "market": "BTC-3JUL26-62000-C",
  "side": "buy",
  "forward": "61665.1057145",
  "price": "150.00",
  "riskFreeRate": "0.05",
  "qty": "1"
}
'

import requests

url = "https://api-options.sandbox.rails.xyz/contracts/pricing"

payload = {
    "market": "BTC-3JUL26-62000-C",
    "side": "buy",
    "forward": "61665.1057145",
    "price": "150.00",
    "riskFreeRate": "0.05",
    "qty": "1"
}
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({
    market: 'BTC-3JUL26-62000-C',
    side: 'buy',
    forward: '61665.1057145',
    price: '150.00',
    riskFreeRate: '0.05',
    qty: '1'
  })
};

fetch('https://api-options.sandbox.rails.xyz/contracts/pricing', 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-options.sandbox.rails.xyz/contracts/pricing",
  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([
    'market' => 'BTC-3JUL26-62000-C',
    'side' => 'buy',
    'forward' => '61665.1057145',
    'price' => '150.00',
    'riskFreeRate' => '0.05',
    'qty' => '1'
  ]),
  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://api-options.sandbox.rails.xyz/contracts/pricing"

	payload := strings.NewReader("{\n  \"market\": \"BTC-3JUL26-62000-C\",\n  \"side\": \"buy\",\n  \"forward\": \"61665.1057145\",\n  \"price\": \"150.00\",\n  \"riskFreeRate\": \"0.05\",\n  \"qty\": \"1\"\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://api-options.sandbox.rails.xyz/contracts/pricing")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"market\": \"BTC-3JUL26-62000-C\",\n  \"side\": \"buy\",\n  \"forward\": \"61665.1057145\",\n  \"price\": \"150.00\",\n  \"riskFreeRate\": \"0.05\",\n  \"qty\": \"1\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-options.sandbox.rails.xyz/contracts/pricing")

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  \"market\": \"BTC-3JUL26-62000-C\",\n  \"side\": \"buy\",\n  \"forward\": \"61665.1057145\",\n  \"price\": \"150.00\",\n  \"riskFreeRate\": \"0.05\",\n  \"qty\": \"1\"\n}"

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

{
  "input": {
    "market": "BTC-3JUL26-62000-C",
    "side": "buy",
    "forward": "61665.1057145",
    "price": "150.00",
    "riskFreeRate": "0.05",
    "qty": "1"
  },
  "iv": "0.3041",
  "markPrice": "149.16",
  "delta": "0.3222",
  "gamma": "0.00050170",
  "vega": "8.4473",
  "theta": "-240.74",
  "rho": "-0.002176",
  "buyingPower": "10000.00",
  "estimatedFees": "18.50",
  "marginUsed": "174.75",
  "estimatedLiquidationPrice": "0.00",
  "newAvailableBalance": "9806.75"
}