Uniswap API

Uniswap API integration (Finance, Developer Tools). Imported from open-connector.

API key3 toolshttps://trade-api.gateway.uniswap.org/v1

POST

uniswap_api_get_quote

Request a Uniswap trade quote for one wallet, token pair, and amount.

/quote

18 parameters

Param	Type	Required	Description
type	string	required	How Uniswap interprets the requested amount.
amount	string	required	The input or output amount in token base units.
tokenInChainId	number	required	The blockchain chain ID supported by the Uniswap Trading API.
tokenOutChainId	number	required	The blockchain chain ID supported by the Uniswap Trading API.
tokenIn	string	required	The input token contract address.
tokenOut	string	required	The output token contract address.
swapper	string	required	The wallet address that will submit the transaction.
recipient	string	optional	The wallet address that should receive the output token.
slippageTolerance	number	optional	The manual slippage tolerance percentage.
autoSlippage	string	optional	The automatic slippage strategy supported by the public Uniswap API.
routingPreference	string	optional	The quote routing preference for Uniswap route selection.
protocols	array	optional	The protocols Uniswap may use for routing.
urgency	string	optional	The urgency mode used for approval or swap pricing.
permitAmount	string	optional	The permit allowance mode included in a quote response when Permit2 is enabled.
spreadOptimization	string	optional	The UniswapX spread optimization strategy when applicable.
generatePermitAsTransaction	boolean	optional	Whether Permit2 should be generated as an onchain transaction instead of a sign…
enableUniversalRouter	boolean	optional	Whether to send the public x-universal-router-version header as version 2.0.
enablePermit2	boolean	optional	Whether Permit2 should stay enabled. Set false to send x-permit2-disabled: true.

POST

uniswap_api_check_approval

Check whether the swapper wallet needs an ERC-20 approval transaction before swapping.

/check_approval

9 parameters

Param	Type	Required	Description
walletAddress	string	required	The wallet address that would send the token.
token	string	required	The token contract address to approve.
amount	string	required	The token amount that must be spendable.
chainId	number	required	The blockchain chain ID supported by the Uniswap Trading API.
urgency	string	optional	The urgency mode used for approval or swap pricing.
includeGasInfo	boolean	optional	Whether the gas-fee fields should be requested from Uniswap.
tokenOut	string	optional	The output token address when provided for routing context.
tokenOutChainId	number	optional	The blockchain chain ID supported by the Uniswap Trading API.
enablePermit2	boolean	optional	Whether Permit2 should stay enabled. Set false to send x-permit2-disabled: true.

POST

uniswap_api_create_swap

Create the transaction calldata for a Uniswap swap from a prior quote and optional permit signature.

/swap

10 parameters

Param	Type	Required	Description
quote	object	required	The prior Uniswap quote object to convert into swap calldata.
signature	string	optional	The signed Permit2 signature when one is required.
permitData	object	optional	The Permit2 payload returned by Uniswap when applicable.
refreshGasPrice	boolean	optional	Whether Uniswap should refresh gas pricing.
simulateTransaction	boolean	optional	Whether Uniswap should simulate the transaction.
safetyMode	string	optional	The swap safety mode accepted by the /swap endpoint.
deadline	string	optional	The swap deadline timestamp in seconds.
urgency	string	optional	The urgency mode used for approval or swap pricing.
enableUniversalRouter	boolean	optional	Whether to send the public x-universal-router-version header as version 2.0.
enablePermit2	boolean	optional	Whether Permit2 should stay enabled. Set false to send x-permit2-disabled: true.