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Web Probe – Redirect Trace
x402
Web Probe – Redirect Trace is a paid API for AI agents from web-probe.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-11-02).
Traces a URL's redirect chain hop-by-hop (up to 8 hops), returning the status code and Location header for each hop, the final URL, and detection of redirect loops or HTTP downgrades.
Price / call$0.02
Success—
StatusUnknown
How this service works
Trace a URL's redirects hop by hop (up to 8): status and Location for each, final URL, loops and http downgrades.
Output
Returns a structured object with: an array of hops each containing URL, HTTP status code, Location header, and content type; total hop count and redirect count; the final URL reached; a boolean indicating whether the final URL was reached; a verdict and summary string; a list of reasons; a flag indicating if the trace was degraded; and the timestamp of the check. Loops and HTTP downgrades are flagged explicitly.
Example use cases
Verify short link destination
“I got a suspicious short link in an email — can you follow all its redirects for https://t.co/abc123xyz and tell me the final URL and whether it goes through any sketchy hops?”
Debug broken marketing redirect
“Our campaign redirect at https://go.mycompany.com/summer-sale seems to be broken — can you trace every hop and tell me where it stops or loops?”
Detect HTTP downgrade in redirect chain
“Check whether https://myapp.io/login ever redirects down to plain HTTP at any point in its redirect chain — I need to know if there's a security issue.”
Technical details
Endpoint
GEThttps://web-probe.x402tookit.com/redirect-trace?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to fully unpack a redirect chain rather than just resolve a final URL. It is ideal for security vetting of unknown links, debugging broken redirect configurations, detecting redirect loops, or confirming HTTPS integrity across every hop. Prefer it over a simple HEAD request or DNS lookup when the intermediate steps matter, not just the destination.
Side effects
- URL is malformed or missing — returns validation error
- URL requires credentials or is behind auth — redirect chain may be incomplete
- Redirect chain exceeds 8 hops — trace stops at hop 8 and reports partial results
- Target server is unreachable or times out — error returned with partial hops
- Redirect loop detected — flagged in verdict and reasons, trace halted
- HTTP-only URLs not accepted — only full HTTPS URLs are supported as input
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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