vellum-sec-change-signal
Binary SEC change signal since a date: changed true or false, filing count, form types and the latest official EDGAR filing.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 76 ms
- Price
- $0.010 per call
- Paying buyers, last 30 days
- 1 (directory's own records)
- Paid calls, last 30 days
- 1
- Category
- Company filings (SEC)
- Address
- https://x402-data-api.x402agent.workers.dev/sec-change-signal
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/8b1c1de8b3de.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).