HALOWERK Energy
Cheapest end-to-end x402 purchase test. Always returns a 402 challenge without payment and the current full NegPrice decision after a valid USDC payment.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 424 ms
- Price
- $0.001 per call
- Paying buyers, last 30 days
- 9 (directory's own records)
- Paid calls, last 30 days
- 9
- Category
- Payments and on-ramps
- Address
- https://energy.halowerk.com/demo/paid-sample
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/881b361ae889.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).