khotem.com
SEAL: witnessed cryptographic stamp + timestamp. POST body: {"content":"..."} (hashed and forgotten) or {"hash":"<sha256 hex>"} — content never leaves your machine. Returns seal_stamp + payment_seal.
Go to this service →Our latest check (2026-10-14)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 233 ms
- Price
- $0.050 per call
- Paying buyers, last 30 days
- 1 (directory's own records)
- Paid calls, last 30 days
- 1
- Category
- Payments and on-ramps
- Address
- https://khotem.com/api/seal
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/03dfdf818317.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).