← All endpoints
api.safe4.ai v1 authorize
https://api.safe4.ai/v1/authorize
answers 402
Safe4 payment authorization decision
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base-sepolia
- Pay to
- 0x1ffc103849B7Ad8866A151149290f6F496e9b439
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 250 ms
- Payment options
- 4 usable of 4
- Last checked
- 2026-09-06T01:14:16.976Z (2h ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.safe4.ai%2Fv1%2Fauthorize"