Glossary
When you are new to Covalent there can be a lot of words to learn. This glossary aims to give you a 10,000-foot overview of common terms and what they mean for projects building on Covalent.
A
API
Application Programming Interface. Covalent provides a unified API to all assets secured by a blockchain network.
API Key
To use the Covalent API, you will need an API key. To use it, simply append key=API_KEY as a query parameter to all queries.
C
Class A
Covalent API endpoints that return enriched blockchain data applicable to all blockchain networks, eg: balances, transactions, log events, etc.
Class B
Covalent API endpoints for a specific blockchain protocol such as AAVE and UNISWAP.
D
DeFi
Decentralized finance which refers to decentralized finance products and services built on blockchains.