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rtt.phoenix-ai.work v1 safe
https://rtt.phoenix-ai.work/api/v1/safe
answers 402
Boolean pre-flight check for L2 transaction safety. Returns safe=true/false with reason code. Optimized for high-frequency agent calls before submitting transactions.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0xbb967F16C7f3e9B4c1626680684445d41dBE44Ab
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 97 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-09-06T01:12:24.375Z (31d ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Frtt.phoenix-ai.work%2Fapi%2Fv1%2Fsafe"