Change / Diff Check
Detect whether a public page changed since the last hash, with a compact diff.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 258 ms
- Price
- $0.001 per call
- Paying buyers, last 30 days
- 4 (directory's own records)
- Paid calls, last 30 days
- 4
- Category
- Developer tools and utilities
- Address
- https://mcp.dropenginehq.com/api/check-change
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/a5dd03a1fd70.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).