Development utility

Webhook Tester

Build and send live HTTP requests with method, auth, custom headers, query params, body modes, timeout control, proxy profiles and saved presets. Inspect status, headers, cookies, timing, size, parsed JSON, raw text and response metadata in one place.

Request builderResponse viewerAuthJSON / form / rawExport

Request URL

Method

Body mode

Timeout

Redirects

Auth

Proxy profile

Custom proxy prefix

Auth key / username / header name

Auth value / password

Query parameters

Headers

Body editor

Auto-set JSON content type when body looks like JSON Add x-zexur-sent-at timestamp header Persist last request locally in this browser Estimate response byte size from body text

Because browsers enforce CORS, some external endpoints require a proxy profile. Use direct mode for CORS-enabled APIs, or switch to a proxy when testing third-party webhooks that do not expose browser access headers.

Request / response shortcutsReady

Configure a request and send it to see the full response viewer.

Saved preset

Preset name

Load preset

Included detail

Status & timingHeadersPreview tabsRaw bodyJSON parseExport cURL

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