We at Covalent believe that access to organized blockchain data can unlock a billion possibilities and so we provide the world's best single unified API to bring full transparency and visibility to assets across all blockchain networks. With the Covalent API, there is no need to invest developer resources in writing sub-graphs or SQL queries since granular, decoded, multi-chain data is immediately available for a dozen blockchain networks including Ethereum, Polygon, BSC, Fantom, Avalanche and others. Covalent is fast becoming the go-to data provider, with the Covalent API powering over 300 industry-leading projects such as Zerion, ChainGuardians, 0x and Reef.

The Covalent Unified API is the fastest way to get blockchain data into your Polygon BUIDL IT project. Use our API and be immediately eligible for our prize pool!


Covalent is offering a $3,000 USDT pool prize for any project making use of the Covalent API for their BUIDL IT project. Our API is ideal for building projects related to:

While all projects are technically eligible for the pool prize, Covalent judges will have the final say on which projects qualify 🙂. Additionally, projects which exceed expectations will be offered bonus prizes.

Project submissions will be judged based on the following criteria:

  1. Use of the Covalent API (e.g. number of endpoints and complexity of the data used)

  2. Originality/creativity

  3. User experience (good design and data presentation)

  4. Technical competence (well organized and written code)