{"slug":"api-3route-io-v1-pro-chainid-quote-315ef9","title":"Price a swap without building a transaction","host":"api.3route.io","method":"GET","resource":"https://api.3route.io/v1/pro/:chainId/quote","category":"market","description":"Price a swap without building a transaction. Returns expected input, output, and gas for one amount without constructing an executable transaction. Quotes are informational and can change with liquidity and chain state. Supports exact-output amounts and historical state for approximately 35 days; th","price_listed":1e-05,"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":181,"reported_payers_30d":3,"networks":["eip155:42793","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","pathParams":{"chainId":"42793"},"queryParams":{"amount":"1000000000000000000","dst":"0x5fc5360d0400a0fd4f2af552add042d716f1d168","fee":0,"gasPrice":"1000000000","includeBlockNumber":false,"includeProtocols":false,"includeTokensInfo":false,"isExactOutput":false,"src":"0x0000000000000000000000000000000000000000"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"pathParams":{"additionalProperties":false,"properties":{"chainId":{"description":"Chain ID for the operation.","enum":["4663","42793"],"example":"4663","pattern":"^[0-9]+$","type":"string"}},"required":["chainId"],"type":"object"},"queryParams":{"additionalProperties":false,"properties":{"amount":{"description":"Positive amount in smallest units, as an integer string.","example":"1000000000000000000","pattern":"^[0-9]+$","type":"string"},"blockNumber":{"minimum":0,"type":"integer"},"dst":{"description":"Address of the token being bought; take one from the token-list operation for the selected chain, or use the zero address, or the case-insensitive sentinel 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee, for the chain's native asset.","example":"0x5fc5360d0400a0fd4f2af552add042d716f1d168","pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"excludedProtocols":{"type":"string"},"fee":{"default":0,"maximum":3,"minimum":0,"type":"number"},"gasPrice":{"example":"1000000000","pattern":"^[0-9]+$","type":"string"},"includeBlockNumber":{"default":false,"type":"boolean"},"includeProtocols":{"default":false,"type":"boolean"},"includeTokensInfo":{"default":false,"type":"boolean"},"isExactOutput":{"default":false,"type":"boolean"},"protocols":{"type":"string"},"src":{"description":"Address of the token being sold; use the zero address, or the case-insensitive sentinel 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee, for the chain's native asset","example":"0x0000000000000000000000000000000000000000","pattern":"^0x[0-9a-fA-F]{40}$","type":"string"},"timestamp":{"minimum":0,"type":"integer"}},"required":["src","dst","amount"],"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":"Price a swap without building a transaction. Returns expected input, output, and gas for one amount without constructing an executable transaction. Quotes are informational and can change with liquidity and chain state. Supports exact-output amounts and historical state for approximately 35 days; the first request for a block may take 1-7 seconds. To price several amounts or pairs against one block, use the batch quote operation.","last_updated":"2026-09-24T16:14:06.906Z","schemes":["batch-settlement","exact"]}