the402 endpoint detail

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x402.donnyautomation.com route

https://x402.donnyautomation.com/route

answers 402

Cheapest venue to buy and richest to sell ONE pair on BSC / BNB Chain across PancakeSwap v2/v3, Biswap, ApeSwap. Returns buyAt and sellAt (venue, price, tvlUsd), midSpreadBps, grossSpreadBps, optimalInput, venuesConsidered. Requires ?pair=SYM/SYM (e.g. WBNB/USDT). Errors: 400 bad_pair, 404 not_routable, 502 upstream_read_failed. Ranks venues for one pair; to rank EVERY pair use /scan. Execution at

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0x2740651e046c59aB2A6510401140643292d3a96F
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
109 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:12:50.293Z (31d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.donnyautomation.com%2Froute"