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x402.blackswan.wtf smart-agents core
https://x402.blackswan.wtf/smart-agents/core
answers 402
State Synthesis - Synthesizes market state from multiple data sources
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.03
- Network
- base
- Pay to
- 0x154b1006435e5cfe2206e7777c1003f9438119b1
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 264 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:27:45.583Z (3d ago)
- Category
- data
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.blackswan.wtf%2Fsmart-agents%2Fcore"