API3 (API3) is a Web3 API platform connecting web APIS directly to smart contracts now there are some similar functions to Chainlink although API3 brands itself as a first party Oracles in contrast to different third-party providers like Chainlink, API3 actually promises to deliver data more securely more efficiently, and also transparently than its competitors its light weight first party data feeds these beacons that then connect to Web3 APIs to off-chain data like crypto stocks commodity.
One interesting point to note is that instead of relying on per cool payments API3 uses a really simple fixed subscription pricing model in its native API3 token, API3 plans to power different d5 related use cases on Cardano like lending Stablecoin insurance funds and even NFT with this solution.