curl --request GET \
  --url https://api.0xarchive.io/v1/hyperliquid/hip3/instruments \
  --header 'X-API-Key: <api-key>'

import requests

url = "https://api.0xarchive.io/v1/hyperliquid/hip3/instruments"

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/hip3/instruments', 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/hip3/instruments"

	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": [
    {
      "symbol": "km:US500",
      "coin": "km:US500",
      "namespace": "km",
      "ticker": "US500",
      "mark_price": 5432.1,
      "open_interest": 1234567.89,
      "mid_price": 5432.05,
      "latest_timestamp": "2026-02-18T12:00:00.000Z"
    }
  ],
  "meta": {
    "count": 123,
    "next_cursor": "<string>",
    "request_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "coverage_from": "2023-11-07T05:31:56Z",
    "notice": "<string>"
  }
}

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

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