Skip to content
Utilerio
All endpoints

HTTP Header Checker

GET/api/v1/net/http-header-check

See any public URL's status code and response headers, with short explanations for the cache and security ones.

Authentication

Requires an API key in the X-API-Key header.

Try it

GET/api/v1/net/http-header-check

Parameters

urlstringrequired

URL to fetch and inspect headers of.

Request body

{
  "url": "https://example.com"
}

Response codes

  • 200Success.
  • 400Invalid request — check your body or parameters.
  • 401Missing or invalid API key.
  • 403The API key is not scoped to this endpoint.
  • 429Rate limit exceeded — retry after a short wait.

Language

cURL

Request

curl -X POST https://utilerio.com/api/v1/net/http-header-check \
  -H "X-API-Key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url":"https://example.com"}'

Response

{ "requestedUrl": "https://example.com", "finalUrl": "https://example.com", "status": 200, "headers": [{ "name": "content-type", "value": "text/html" }], "timingMs": 120 }