Reference
Request settings reference
Request settings customize the HTTP request OnlineOrNot sends when checking your URL.
Access these in the "HTTP request settings" section of the uptime check form:

HTTP Method
| Method | Description |
|---|---|
GET |
Default. Retrieve resource |
POST |
Submit data |
PUT |
Replace resource |
HEAD |
Headers only (no body) |
DELETE |
Remove resource |
PATCH |
Partial update |
Body
Available for POST, PUT, PATCH methods.
The body is sent exactly as entered. Stringify JSON before pasting:
{"key": "value"}
Custom Request Headers
Add any header except User-Agent (required for OnlineOrNot identification).
Common headers:
| Header | Use case |
|---|---|
Authorization |
Bearer tokens, Basic auth |
Cookie |
Session cookies |
Content-Type |
Request body format (e.g., application/json) |
Accept |
Expected response format |
X-API-Key |
API authentication |