Phoenix Zero Safe Check
Boolean pre-flight check for L2 transaction safety across all 12 chains (?chain= param, default: base). Returns safe=true/false with reason code. Revert ratio data available for Base and Arbitrum only (eth_getBlockReceipts); other chains us
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 217 ms
- Price
- $0.010 per call
- Paying buyers, last 30 days
- 4 (directory's own records)
- Paid calls, last 30 days
- 4
- Category
- Blockchain reads
- Address
- https://rtt.phoenix-ai.work/api/v1/safe
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/f3cf1e0645b4.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).