the402 endpoint detail

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x402.donnyautomation.com polygon reserves

https://x402.donnyautomation.com/polygon/reserves

payable

Raw AMM pool reserves and live pool state for a trading pair on Polygon PoS. Constant-product and concentrated-liquidity (Uniswap v3 style) pools across QuickSwap, SushiSwap and Uniswap v3: both reserves, pool mid price, fee tier in bps, and USD TVL per venue at a stated block. The underlying onchain numbers for computing your own quotes, price impact, slippage or arbitrage math on Polygon / MATIC

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.003
Network
base
Pay to
0x2740651e046c59aB2A6510401140643292d3a96F
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
84 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:15:56.450Z (3d ago)
Category
finance-crypto

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