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:
- Unified API - Incorporate blockchain data into your app with a familiar REST API
- 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
Unified API
The Covalent API is RESTful and offers the following for Astar:
Features | |
---|---|
Response Formats | JSON, CSV |
Real-Time Data Latency | 2 blocks |
Batch Data Latency | 30 minutes |
Supported Network: chainName , chainId | Mainnet: astar-mainnet , 592 Testnet: astar-shibuya , 81 |
API Tiers | Free tier Premium tier |
API Categories | Balances 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