curl --request GET \
  --url https://api.unusualwhales.com/api/flex-options/chain/{chain} \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.unusualwhales.com/api/flex-options/chain/{chain}"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.unusualwhales.com/api/flex-options/chain/{chain}', 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.unusualwhales.com/api/flex-options/chain/{chain}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($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://api.unusualwhales.com/api/flex-options/chain/{chain}"

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

	req.Header.Add("Authorization", "Bearer <token>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.unusualwhales.com/api/flex-options/chain/{chain}")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.unusualwhales.com/api/flex-options/chain/{chain}")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "data": [
    {
      "date": "2026-09-29T00:00:00.000Z",
      "delivery": "cash",
      "exercise_style": "european",
      "expiry": "2026-12-18T00:00:00.000Z",
      "flex_ticker": "4SPX",
      "mark": "41.25",
      "open_interest": 12500,
      "option_symbol": "4SPX261218P05000000",
      "option_type": "put",
      "settlement": "pm",
      "strike": "5000",
      "ticker": "SPX"
    }
  ]
}

{
  "code": "authentication_required",
  "documentation_url": "https://api.unusualwhales.com/docs",
  "expected_format": "uuid",
  "message": "The API token provided is not in the expected format. Unusual Whales API tokens are UUIDs, such as 123e4567-e89b-12d3-a456-426614174000.",
  "reason": "malformed_token",
  "request_id": "GNI_YTC1CRnw2LACGBvE",
  "retryable": false,
  "support_email": "[email protected]",
  "token_url": "https://unusualwhales.com/dashboard/api"
}

{
  "code": "missing_access",
  "documentation_url": "https://api.unusualwhales.com/docs",
  "message": "The API token provided is valid but is not permitted to access this route.",
  "reason": "route_not_permitted",
  "request_id": "GNI_YTC1CRnw2LACGBvE",
  "retryable": false,
  "support_email": "[email protected]",
  "token_url": "https://unusualwhales.com/dashboard/api"
}

{
  "msg": "Invalid path input: MSFT12 (valid example: AAPL) - Invalid query input(s): date=2023-02-140 (valid example: date=2024-01-18)",
  "path": "/api/darkpool/MSFT12",
  "query": "date=2023-02-140",
  "url": "localhost:4000/api/darkpool/MSFT12?date=2023-02-140"
}

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