Penny Army Research
For supplied field names, distinguish absent keys, explicit nulls, blank strings and populated values across JSON records.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 741 ms
- Price
- $0.050 per call
- Paying buyers, last 30 days
- 1 (directory's own records)
- Paid calls, last 30 days
- 1
- Category
- Developer tools and utilities
- Address
- https://penny-army-reference-mainnet.spruceboundgranitestudio.workers.dev/v1/probes/column-completeness
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/c87fd2661886.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).