curl --request GET \
  --url https://api.routeur.app/v1/rulebooks/{venue}/{kind}/{id} \
  --header 'X-API-Key: <api-key>'

import requests

url = "https://api.routeur.app/v1/rulebooks/{venue}/{kind}/{id}"

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.routeur.app/v1/rulebooks/{venue}/{kind}/{id}', 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.routeur.app/v1/rulebooks/{venue}/{kind}/{id}"

	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))

}

{
  "data": {
    "venue": "kalshi",
    "kind": "series",
    "id": "KXCPI",
    "markets": 48,
    "versions": [
      {
        "venue": "kalshi",
        "kind": "series",
        "id": "KXCPI",
        "content_hash": "2c9e7a1d4b6f8e0c1a3d5f7b9e1c3a5d7f9b1e3c5a7d9f1b3e5c7a9d1f3b5e7c",
        "first_seen_at": "2026-09-14T12:00:00Z",
        "last_seen_at": "2026-09-17T09:00:00Z",
        "fields": {
          "contract_terms_url": "https://assets.kalshi.com/contract_terms/KXCPI.pdf",
          "contract_url": "https://assets.kalshi.com/regulatory/product-certifications/KXCPI.pdf",
          "settlement_sources": [
            {
              "name": "Bureau of Labor Statistics",
              "url": "https://www.bls.gov/cpi/"
            }
          ],
          "additional_prohibitions": [
            "Persons who are employed by any of the Source Agencies are not permitted to trade on the Contract."
          ],
          "product_metadata": {}
        },
        "settlement_sources": [
          {
            "name": "Bureau of Labor Statistics",
            "url": "https://www.bls.gov/cpi/"
          }
        ],
        "source_url": "https://assets.kalshi.com/contract_terms/KXCPI.pdf",
        "document": {
          "url": "https://assets.kalshi.com/contract_terms/KXCPI.pdf",
          "content_hash": "9b1d3f5a7c9e1b3d5f7a9c1e3b5d7f9a1c3e5b7d9f1a3c5e7b9d1f3a5c7e9b1d",
          "text": "KXCPI\nScope: These rules shall apply to this contract.\nUnderlying: The Consumer Price Index for All Urban Consumers...",
          "fetched_at": "2026-09-17T03:10:00Z"
        },
        "changed_fields": []
      }
    ]
  }
}

{
  "error": {
    "code": "invalid_parameter",
    "message": "Invalid or unsupported query parameter: limit."
  }
}

{
  "error": {
    "code": "api_key_required",
    "message": "Send an API key in the X-API-Key header or as a Bearer token."
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>"
  }
}