{"slug":"x402-donnyautomation-com-base-price-1b4a5a","title":"Spot token price in USD on Base, read from BaseSwap, SushiSwap and Uniswap v3 po","host":"x402.donnyautomation.com","method":"GET","resource":"https://x402.donnyautomation.com/base/price","category":"market","description":"Spot token price in USD on Base, read from BaseSwap, SushiSwap and Uniswap v3 pools at call time. Returns priceUsd, the routed pair, backing liquidityUsd, confidence and blockNumber. Requires ?symbol=TICKER (e.g. WETH) or ?token=0xADDRESS. Errors: 400 missing_symbol|unknown_token, 404 no_reliable_pr","price_listed":0.01,"price_asked":null,"state":"no_terms","state_label":"Answers HTTP 200 without x402 payment terms","checks_7d":1,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"symbol":"WETH"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"symbol":{"description":"Token symbol on Base (e.g. WETH, cbBTC, USDC, DAI).","type":"string"}},"required":["symbol"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":200,"valid_402":false,"asked_usdc":null,"price_match":null,"latency_ms":3512,"error":null}],"description_full":"Spot token price in USD on Base, read from BaseSwap, SushiSwap and Uniswap v3 pools at call time. Returns priceUsd, the routed pair, backing liquidityUsd, confidence and blockNumber. Requires ?symbol=TICKER (e.g. WETH) or ?token=0xADDRESS. Errors: 400 missing_symbol|unknown_token, 404 no_reliable_price when pools are too thin, 502 upstream_read_failed. Depth is /liquidity; a size-aware quote is /slippage. Chain-pinned; bare /price = BSC.","last_updated":"2026-08-30T07:39:26.603Z","schemes":["exact"]}