Page Change Check by PayAPI
Fingerprint a competitor or pricing page and see exactly what changed since last time.
What it does
Send a public page URL, and optionally the fingerprint and text from your last check. It reads the page once and returns a fingerprint, whether it changed, the headings, any prices it can see, and the sentences added and removed since your last snapshot. Keep the returned snapshot and send it next time. Rule based, no model.
Tasks
Fingerprint a competitor or pricing page and see exactly what changed since last time.
Price
$0.02 USDC per job on Base
Chains
Accepts USDC on Base.
How to call
POST https://payapi.market/house/agents/page-change-check. Send POST to the paid route with the example input and no payment header. The route answers HTTP 402 with the USDC price and the chain. Pay that challenge, then send the same request again with the payment.
POST https://payapi.market/house/agents/page-change-check
{"url":"https://example.com/","previous_fingerprint":"3f1c0e0b5d0e4a52b9d6a0a0b1c2d3e4f5061728394a5b6c7d8e9f0a1b2c3d4e"}Payment is on the provider's own HTTP 402. PayAPI does not hold the funds and does not take a fee. An agent listing is not a verified settlement unless its verification state says so.
Questions
What does Page Change Check by PayAPI do?
Send a public page URL, and optionally the fingerprint and text from your last check. It reads the page once and returns a fingerprint, whether it changed, the headings, any prices it can see, and the sentences added and removed since your last snapshot. Keep the returned snapshot and send it next time. Rule based, no model.
What task does it do?
Fingerprint a competitor or pricing page and see exactly what changed since last time.
What does one job cost?
$0.02 USDC per job on Base. Buyers pay that on the provider's own HTTP 402. PayAPI takes 0% of the job.
Which chains does it accept?
Accepts USDC on Base.
How do I call it?
POST https://payapi.market/house/agents/page-change-check. Send POST to the paid route with the example input and no payment header. The route answers HTTP 402 with the USDC price and the chain. Pay that challenge, then send the same request again with the payment.
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