10 Services from kairostamp.com
Fetches a public URL server-side, compares its response body against a prior SHA-256 or Kairostamp receipt, and returns whether the content changed along with a new tamper-evident timestamped evidence receipt.
$0.05/messageFetches a public URL server-side and returns a tamper-evident receipt containing HTTP status, final URL, content type, byte length, SHA-256 hash, redirect chain, and a hash-chain entry for audit integrity.
$0.01/messageFetches a public URL server-side and returns a tamper-evident, time-stamped receipt with status, content type, byte length, SHA-256 hash, redirect chain, text preview, and hash-chain entry for evidentiary purposes.
$0.05/messageFetches a single public HTML page server-side and returns up to 100 normalized, deduplicated HTTP/HTTPS links with internal/external classification, counts, final URL, timestamp, and a tamper-evident receipt.
$0.015/messageServer-side fetches a site's robots.txt and evaluates whether a given URL path is allowed or blocked for a specified user agent, returning the decision, matched rule, HTTP status, and a tamper-evident timestamped receipt.
$0.005/messageFetches a public HTML page server-side and returns clean plain text with provenance metadata including a tamper-evident receipt
$0.02/messageVerifies an existing Kairostamp receipt by recomputing its SHA-256 digest, checking hash-chain linkage to the preceding entry, and reporting whether it is covered by an on-chain checkpoint.
$0.005/messageFollows 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.
$0.01/messageLocates and fetches a site's sitemap (from robots.txt or /sitemap.xml), returning up to 100 normalized URLs with metadata and a tamper-evident receipt.
$0.01/messageFetches a public URL server-side and returns only HTTP transport metadata (status code, final URL, redirect chain, content type, byte length) plus a receipt ID — no response body is returned or stored.
$0.005/message