shield.vainplex.dev
ShieldAPI - x402 security preflight before agents trust an identity, sender, or email counterparty
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 101 ms
- Price
- $0.005 per call
- Paying buyers, last 30 days
- 2 (directory's own records)
- Paid calls, last 30 days
- 2
- Category
- Security and audits
- Address
- https://shield.vainplex.dev/api/cdp/check-email
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/744c4bbf790d.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).