Covalent
Our Free Tier changed on March 1st
Read More

Astar Blockchain Data Indexing API

Astar Quick Facts

Astar Network is the Smart Contract Hub for WASM + EVM on Polkadot. Since winning its Parachain auction in January 2022, Astar Network has become the top Parachain in the Polkadot ecosystem in Total Value Locked and most Ethereum assets transferred over. Astar Network is the leading smart contract hub that connects the Polkadot ecosystem to Ethereum, Cosmos, and all major layer 1 blockchains. Astar Network supports dApps using multiple virtual machines — namely WASM and EVM — and offers the best technology solutions and financial incentives via its Build2Earn and Astar Incubation Program for Web3 developers to build on top of a secure, scalable, and interoperable blockchain. The work of the community is maintained under a public domain license at https://github.com/AstarNetwork.

  1. Mainnet
  2. Shibuya Testnet
Chain nameastar-mainnet
Chain ID592
Block explorerhttps://blockscout.com/astar
Blocktime12 seconds
Historical balances
NFT assets and metadata
Premium Endpoints
Premium Balances
Premium Transactions
Premium Log Events
Query via SQL on Increment

Don't Have an API Key?

Sign up to start building on Astar.

Unlock millions of requests and free archive data on all chains.

Network Status

Days
Weeks
Month
Year
- - -
Monthly Active Wallets
Unique wallets who transact on a monthly basis.
---
Transactions
Unique transactions on a monthly basis.
---
Active Tokens
Unique tokens active on a monthly basis.
---
Powered by Increment.

Code Samples

  1. Token Balances
  2. Transaction History
  3. Portfolio
  4. Get a block

Get token balances for address

GET/v1/{chainName}/address/{walletAddress}/balances_v2/

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.

Each API Call Currently Costs: 1.00 Credits.

  1. shell
  2. JavaScript
  3. ruby
  4. python
Request
curl --request GET 
     --url https://api.covalenthq.com/v1/{chainName}/address/{walletAddress}/balances_v2/ 
     --header 'accept: application/json' 
     --header 'x-api-key: demo'