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Covalent Indexing and Querying API

Covalent is a hosted blockchain data solution providing access to historical and current on-chain data for 100+ supported blockchains, including Astar.

Covalent maintains a full archival copy of every supported blockchain, meaning every balance, transaction, log event, and NFT asset data is available from the genesis block. This data is available via:

  1. Unified API - Incorporate blockchain data into your app with a familiar REST API
  2. Increment - Create and embed custom charts with no-code analytics

Use Covalent if you need:

  • Structured and enhanced on-chain data well beyond what you get from RPC providers
  • Broad and deep multi-chain data at scale
  • Enterprise-grade performance

Sign up to start building on Astar


Unified API


The Covalent API is RESTful and offers the following for Astar:

Response FormatsJSON, CSV
Real-Time Data Latency2 blocks
Batch Data Latency30 minutes
Supported Network: chainName, chainIdMainnet: astar-mainnet, 592 Testnet: astar-shibuya, 81
API TiersFree tier Premium tier
API CategoriesBalances NFTs Transactions Security Log Events & Others

Get started

  • API Key - sign up for free
  • Quickstart - summary of key resources to get you building immediately on blockchain
  • API Reference - try all the endpoints directly from your browser
  • Guides - learn how to build dapps, fetch data and extend your Web3 knowledge



Increment is a novel no-code charting and reporting tool powered by Covalent, revolutionizing how the Web3 space approaches analytics. Many analytics tools let you write SQL to create charts, but Increment is the only one to encode business logic - Reach, Retention, and Revenue - into an SQL compiler that can write valid SQL for you.

Use cases

Increment can be used for:

For example, click on the following table to get the latest number of active wallets, transactions and tokens by day, week, month or year for Astar: example-network-status-increment-ftm

Get started