{"error":"missing_api_key","message":"The x-api-key header is required for this endpoint.","hint":"Create a free key at app.reqres.in and send it as x-api-key.","next_steps":["Go to app.reqres.in/api-keys to get your key","Add header: x-api-key: <your_key>","For app user endpoints, use Authorization: Bearer <session_token> instead"],"docs_url":"https://app.reqres.in/docs#authentication","example_curl":"curl -H \"x-api-key: YOUR_API_KEY\" https://api.reqres.in/api/collections","_meta":{"powered_by":"ReqRes","docs_url":"https://app.reqres.in/documentation","upgrade_url":"https://app.reqres.in/upgrade","example_url":"https://app.reqres.in/examples/notes-app","variant":"v1_b","message":"Missing/invalid key. Grab a free key to keep responses consistent.","cta":{"label":"Get started","url":"https://app.reqres.in/api-keys"},"context":"invalid_key"}}<br>-------------------------------------<br>page : <br>per_page : <br>total : <br>total_pages : <br>-------------------------------------<br>ID Email firstName lastName avatar <br>-------------------------------------<br>