Covalent is the #1 Choice for Building Tax Reporting Solutions
A single, unified API to fetch historical transactions including decoded log events. Scales to 150+ blockchains.
Reduce time to market by consuming blockchain transactions in hours, not weeks.
The Covalent infrastructure, built for the enterprise, available to the smallest of startups.
Turn Back the Clock With Historical Transaction Data
Covalent delivers comprehensive historical transaction data across 200+ chains, alleviating the challenge of obtaining complete and accurate crypto activity records. Experience a seamless and straightforward overview of every transaction a wallet has made.
Structured Data, Consistent Across Chains
Cut through the noise of inconsistent blockchain data with the Covalent Unified API. Our standardized schema across all blockchains simplifies data handling, boosting efficiency and empowering you to capture your clients’ activity easily.
Enriched Transactions for Contextual Clarity
Covalent enriches blockchain transactions with human-readable details, simplifying the understanding of complex events. With added context such as protocol names and logos, enjoy a cleaner interface and get a better grasp on transaction activities.
Quickly summarize wallet activities without having to download the entire history.
Wallet Activity Detection
Locate when and where a wallet has been active across 200+ chains with a single API call.
Easily understand complex DeFi transactions with standardized event fields for adding liquidity, lending, borrowing and more.
Rich DeFi Data
Get liquidity pool positions, rewards, APY and transaction details for top DeFi protocols.
All Token Balances
Get ERC20, 721, 1155 & native token balances with one API call.
Enterprise Support & SLAs
Your confident and reliable partner during tax season.
Solving specific problems or use cases using the Covalent Unified API.
Our mission is to empower the pioneers of tomorrow by building the richest and the most robust data infrastructure for the entire blockchain ecosystem.