app.heinrichstech.com
BitBooth echo endpoint — pays a tiny USDC fee, returns a JSON echo. Reference implementation of the x402 + CDP Facilitator + Bazaar discovery loop.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 317 ms
- Price
- not stated
- Paying buyers, last 30 days
- 6 (directory's own records)
- Paid calls, last 30 days
- 6
- Category
- Payments and on-ramps
- Address
- https://app.heinrichstech.com/v1/cdp/echo
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/3417aaf037ed.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).