0x Protocol
Swap aggregator protocol and APIs for DEX liquidity.
Open Source
Free
Freemium
59 APIs
Aave SDK
SDK and APIs for Aave lending markets and position management.
DeFi Primitives: DeFi, Lending
What can you build?
- Borrow/lend apps
- Yield aggregators
Open Source
Free
Alchemy
Blockchain node infrastructure and developer APIs.
Infrastructure: RPC, Indexing
What can you build?
- Trading platform
- NFT marketplace
Free
Freemium
Ankr
Multichain RPC and staking infrastructure for dapps.
Free
Freemium
API3
First-party oracle network with dAPI feeds and Airnode integrations.
Oracles & Real World Data: Oracles, Market Data
What can you build?
- dAPI feeds
- Airnode integrations
Open Source
Free
Freemium
Axelar
Cross-chain SDK for bridging assets and interchain dapps.
Open Source
Free
Freemium
Showing 6 of 59 APIs — scroll for more