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Blockchain Data for the New Economy

A single, unified API for fast, scalable historical blockchain data across 150+ chains.

The User-Friendly Blockchain API

Facing fragmented data and intricate schemas can make Web3 development daunting. Overcome these challenges with the Covalent Unified API. With structured schemas and data, and the flexibility to switch chains with a single parameter, building becomes a breeze in any ecosystem.

From Speed to Scale

Don’t let slow response times hinder your user experience. Superior speeds, scalable APIs, and advanced rendering pipelines allows you focus on your application and user experience.

Standardized Human-Readable Transactions

Understanding transaction data shouldn’t be hard. Covalent has broken this barrier, being the first to semantically decode and classify complex events. Now, you can easily read and comprehend transaction data, saving time and reducing complexity.

NFT Media Cached
Unified Schema
Rich Transactions since Genesis

Cryptographically secure historical data

The CQT Network provides long-term data availability, providing developers unfettered access to historical blockchain data.

Enterprise support & SLAs

Your trusted and reliable partner in scaling your applications.

Full scalability

From your first hackathon to a global enterprise, Covalent’s pricing tiers and scalable solutions are designed to grow alongside your ambitions.

Thoughtfully designed

Forget learning new tools and data structures. Covalent maintains a structured schema across all chains, so developers can enjoy a consistent environment.

The Broadest Blockchain Coverage in Web3

  1. Get token balances
  2. Get NFTs
  3. Get historical transactions

Get token balances

Commonly used to fetch the native, fungible (ERC20), and non-fungible (ERC721 & ERC1155) tokens held by an address. Response includes spot prices and other metadata.

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We're constantly impressed by the quality and quantity of innovative features released by the Covalent team for their Unified API.

Jin Chung



Covalent was the only solution able to meet our needs at scale and the team has been incredibly responsive and supportive in making us successful.

Nathan Snell

Co-founder & CEO


The Covalent API made it very easy to help our SAFE users categorize their on-chain transaction histories.

Jason Chong



Covalent was instrumental in getting us onboarded in our multichain journey. Fetching data became so much easier without digging through low level blockchain data layers.

Idon Liu



Covalent's Approach

Our mission is to empower the pioneers of tomorrow by building the richest and the most robust data infrastructure for the entire blockchain ecosystem.

Get started with Covalent

A single, unified API for fast, scalable historical blockchain data across 150+ chains.