0x Labs debuts ‘gasless’ swap API used by Robinhood, Coinbase Wallet

DeFi software firm 0x released an application programming interface, or API, that allows exchanges to abstract gas fees away from users. The so-called Tx Relay software was previously used in beta by platforms including Robinhood and Coinbase to enable “gasless swaps.”

Users still pay for gas with 0x’s API, but the software lumps the fee into the trade cost to reduce the number of failed trades. Tx Relay is emblematic of a larger shift from many developers toward intents-based systems that outsource some on-chain actions to protocols.

0x sells APIs focused on decentralized exchange (DEX) infrastructure. The San Francisco-based firm has notable venture ties, raising a $70 million…

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