{"slug":"api-vextorium-com-v1-dex-swap-quote-f3460e","title":"On-chain swap quote on Base from Uniswap v3 QuoterV2 across all fee tiers (0.01%","host":"api.vextorium.com","method":"POST","resource":"https://api.vextorium.com/v1/dex-swap-quote","category":"market","description":"On-chain swap quote on Base from Uniswap v3 QuoterV2 across all fee tiers (0.01%, 0.05%, 0.3%, 1%): output amount, unit price, best pool and gas estimate. Accepts symbols (WETH/ETH, USDC, USDT, DAI, cbBTC) or token addresses. Read-only, no swap executed.","price_listed":0.008,"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":["eip155:10","eip155:5042","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"amount":1,"token_in":"WETH","token_out":"USDC"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"amount":{"description":"Input amount in token units","type":"number"},"token_in":{"description":"Token to sell: WETH (or ETH), USDC, USDT, DAI, cbBTC, or a Base token contract address","type":"string"},"token_out":{"description":"Token to buy: WETH (or ETH), USDC, USDT, DAI, cbBTC, or a Base token contract address","type":"string"}},"required":["token_in","token_out","amount"]},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"best_pool_fee_pct":{"type":["number","null"]},"output":{"properties":{"amount":{"type":["number","null"]},"token":{"type":["string","null"]}},"type":["object","null"]},"unit_price":{"type":["number","null"]}},"type":["object","null"]},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"On-chain swap quote on Base from Uniswap v3 QuoterV2 across all fee tiers (0.01%, 0.05%, 0.3%, 1%): output amount, unit price, best pool and gas estimate. Accepts symbols (WETH/ETH, USDC, USDT, DAI, cbBTC) or token addresses. Read-only, no swap executed.","last_updated":"2026-10-03T20:28:40.772Z","schemes":["exact"]}