{"slug":"x402-donnyautomation-com-base-route-f17d33","title":"Cheapest venue to buy and richest to sell ONE pair on Base across BaseSwap, Sush","host":"x402.donnyautomation.com","method":"GET","resource":"https://x402.donnyautomation.com/base/route","category":"code","description":"Cheapest venue to buy and richest to sell ONE pair on Base across BaseSwap, SushiSwap and Uniswap v3. Returns buyAt and sellAt (venue, price, tvlUsd), midSpreadBps, grossSpreadBps, optimalInput, venuesConsidered. Requires ?pair=SYM/SYM (e.g. WETH/USDC). Errors: 400 bad_pair, 404 not_routable, 502 up","price_listed":0.01,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"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":{"pair":"WETH/USDC"},"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":{"pair":{"description":"Token pair as SYM/SYM on Base (e.g. WETH/USDC).","type":"string"}},"required":["pair"],"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":[],"description_full":"Cheapest venue to buy and richest to sell ONE pair on Base across BaseSwap, SushiSwap and Uniswap v3. Returns buyAt and sellAt (venue, price, tvlUsd), midSpreadBps, grossSpreadBps, optimalInput, venuesConsidered. Requires ?pair=SYM/SYM (e.g. WETH/USDC). Errors: 400 bad_pair, 404 not_routable, 502 upstream_read_failed. Ranks venues for one pair; to rank EVERY pair use /scan. Execution at a size is /slippage. Chain-pinned; bare /route = BSC.","last_updated":"2026-08-30T07:39:19.764Z","schemes":["exact"]}