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Kairostamp Redirect Audit
x402
Kairostamp Redirect Audit is a paid API for AI agents from kairostamp.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-16).
Follows a public URL server-side and returns the full redirect chain with hop count, final URL, final status, cross-origin and HTTPS-downgrade flags, plus a tamper-evident receipt.
Price / call$0.001
Success—
StatusUnknown
How this service works
Redirect audit: follows one public http/https URL server-side and returns the ordered redirect chain, hop count, final URL, final HTTP status, whether the destination changed origin and whether HTTPS was downgraded to HTTP, with a timestamp and a tamper-evident receipt. Single GET query parameter (url). No response body is returned.
Output
A JSON object containing: the initial URL, the ordered array of all intermediate redirect URLs (redirect_chain), the total hop count, the final resolved URL, the final HTTP status code, a boolean indicating whether the destination crossed origins (cross_origin), a boolean indicating whether HTTPS was downgraded to HTTP (https_downgrade), a UTC timestamp (fetched_at), a UUID receipt_id for audit purposes, and a chain_hash for tamper-evident verification.
Example use cases
Audit a shortened link before sharing
“Before I post this short link in our newsletter, can you trace where https://ow.ly/abc123 actually redirects to, how many hops it goes through, and whether it ever drops to plain HTTP?”
Security check on suspicious email URL
“This link in a phishing report looks sketchy — can you follow https://t.co/suspiciousXYZ and show me the full redirect chain, whether it crosses to a different domain, and what the final destination and HTTP status are?”
Verify affiliate link destination integrity
“Can you audit the redirect chain for https://example-affiliate.com/offer?id=99 and confirm it ends up at our expected partner site, doesn't downgrade to HTTP, and give me the tamper-evident receipt for our records?”
Technical details
Endpoint
GEThttps://kairostamp.com/api/v1/redirect-auditWhen to prefer
Choose this endpoint when you need a server-side, auditable trace of a URL's full redirect path — especially when you need cross-origin detection, HTTPS downgrade detection, or a tamper-evident receipt (chain_hash + receipt_id) for compliance or security logging. Prefer it over client-side redirect following when you need a neutral third-party record of where a URL led at a specific point in time.
Side effects
- URL is not publicly reachable — server may return an error or empty chain
- URL parameter is missing or malformed — results in a 4xx bad request
- Target server takes too long to respond — may result in a timeout error
- URL resolves to a private/internal network address — blocked for security reasons
- No redirect occurs — hop_count is 0 and redirect_chain is empty, only final URL and status returned
Tags
x402
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