AttestPage x402 REST
Signs a timestamped receipt for a file's sha256, proving it existed unchanged then. US$0.002 per call; POST the hash.
no price published
Change Detection
1,732 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
page-change-detect x402 REST
Page change detection: hashes the readable text of a page and compares with the version from your previous call (kept 90 days). Reports whether it changed, how much (word delta and similarity), and a sample of added/remo...
0.01 USDC per call
per call
Page Change Watcher x402 REST
Did this page change, plus before and after sha256.
0.000978 USDC per call
per call
Agent Souk x402 REST
Summarize a text or a web page (LLM, word limit, key points) (1 × 5,000 characters at 0.040000 USDC each)
0.04 USDC per call
per call