the402 endpoint detail

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chain-tools.use.x402atlas.com merkle build

https://chain-tools.use.x402atlas.com/merkle/build

needs params

Keccak Merkle tree and proof builder — generate indexed sorted-pair inclusion proofs with domain separation and explicit odd-node promotion.

Bazaar lists this endpoint, but when we called it we got HTTP 400 instead of a payment challenge.
Price
10000 atomic
Network
not established
Pay to
-
Spec dialect
-
Transport
-
HTTP method
POST
Response latency
178 ms
Payment options
0 usable of 0
Last checked
2026-08-15T14:23:27.163Z (7d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fchain-tools.use.x402atlas.com%2Fmerkle%2Fbuild"