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evm-canon-base.onrender.com encode swap
https://evm-canon-base.onrender.com/encode/swap
answers 402
Build Uniswap-V2-style exact-input swap calldata with the token path
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0x8797b596a56f8b2d46f428fca2e6ac2a62a353ee
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 221 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:31:01.369Z (1h ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fevm-canon-base.onrender.com%2Fencode%2Fswap"