Trade API

CobaltX trade API is the fastest and easiest way to interact with CobaltX liquidity. It allows you to swap for any asset with 2 requests and a signature.

Get quote parameters

Parameter	Type	Required	Description
inputMint	string	yes	Input token mint address
outputMint	string	yes	Output token mint address
amount	number	yes	Either inputAmount or outpoutAmount depending on the swap mode.
slippageBps	number	yes	Slippage tolerance in base points (0.01%).

Post parameters

Parameter	Parameter	Required	Description
version	string	yes	Use 'V0' for versioned transaction, and 'LEGACY' for legacy transaction.
wrapEth	boolean	no	Need to be true to accept ETH as inputToken.
unwrapEth	boolean	no	Need to set to true to unwrap wSol received as outputToken.
computeUnitPriceMicroLamports	string	yes	You can type it in manually or use CobaltX priority fee API to set an automatic amount with 'String(data.data.default.h)'. The 'h' here stands for high priority. 'vh' for very high and 'm' for medium are also accepted value.
wallet	string	yes	pubkey
inputTokenAccount	string	no	default to ATA
outpoutTokenAccount	string	no	default to ATA