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api.strale.io x402 eth-address-validate
https://api.strale.io/x402/eth-address-validate
answers 402
Validate an Ethereum address. Checks 0x-prefixed 40-hex format and EIP-55 mixed-case checksum to catch single-character typos. Returns checksummed (canonical) form. Pure algorithmic — fast and cheap.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.05
- Network
- base
- Pay to
- 0x66D7C2F952362BFB24FD7F02a9beC9c754ea83bC
- Spec dialect
- v1 (declares x402Version 1)
- Transport
- JSON response body
- HTTP method
- POST
- Response latency
- 46 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:35:06.466Z (2h ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.strale.io%2Fx402%2Feth-address-validate"