curl --request GET \
  --url https://api.0xarchive.io/v1/hyperliquid/hip4/outcomes \
  --header 'X-API-Key: <api-key>'

import requests

url = "https://api.0xarchive.io/v1/hyperliquid/hip4/outcomes"

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://api.0xarchive.io/v1/hyperliquid/hip4/outcomes', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.0xarchive.io/v1/hyperliquid/hip4/outcomes"

	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))

}

{
  "success": true,
  "data": [
    {
      "outcome_id": 0,
      "side_specs": [
        {
          "side": 0,
          "name": "Yes",
          "coin": "#0",
          "asset_id": 100000000
        }
      ],
      "is_settled": false,
      "name": "BTC ≥ 78213 by 2026-05-03 06:00 UTC",
      "description_raw": "class:priceBinary|underlying:BTC|expiry:20260503-0600|targetPrice:78213|period:1d",
      "class": "priceBinary",
      "underlying": "BTC",
      "expiry": "2026-05-03T06:00:00Z",
      "target_price": 78213,
      "period": "1d",
      "status": "live",
      "source_seen_at": "2026-05-02T20:25:00Z",
      "aggregated_oi": {
        "currency": "USDH",
        "side0_open_interest_contracts": 568048,
        "side1_open_interest_contracts": 568048,
        "outcome_display_open_interest_contracts": 1136096,
        "paired_set_supply_contracts": 568048,
        "side_supply_parity": true,
        "as_of": "2026-05-02T20:27:21Z",
        "side0_as_of": "2026-05-02T20:27:21Z",
        "side1_as_of": "2026-05-02T20:27:21Z"
      }
    }
  ],
  "meta": {
    "count": 123,
    "next_cursor": "<string>",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "coverage_from": "2023-11-07T05:31:56Z",
    "notice": "<string>"
  }
}

{
  "code": 400,
  "error": "Failed to deserialize query string: limit: invalid digit found in string",
  "error_code": "invalid_query_params",
  "request_id": "3f2a9c71-5b0e-4d68-9a4c-7e1d2b6f8a05"
}

{
  "code": 401,
  "error": "Missing or invalid API key. Provide X-API-Key header."
}

{
  "code": 429,
  "error": "Rate limit exceeded"
}