Polygon Blockchain Data Indexing API
Polygon Quick Facts
With over 1.3 billion transactions recorded, 130 million unique wallets and ~2.7 million monthly active users, Polygon Proof of Stake (POS) is the most proven scaling solution in web3, and the best way to launch a web3 project that's ready for a global audience.
- Mainnet
- Polygon Mumbai Testnet
| Chain name | matic-mainnet |
| Chain ID | 137 |
| Block explorer | https://polygonscan.com/ |
| Blocktime | 3 seconds |
| Historical balances | ✅ |
| NFT assets and metadata | ✅ |
| Premium Endpoints | |
| Premium Balances | ❌ |
| Premium Transactions | ❌ |
| Premium Log Events | ❌ |
| Query via SQL on Increment | ✅ |
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Network Status
| - | - | - | |||
|---|---|---|---|---|---|
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
- Token Balances
- Transaction History
- Portfolio
- 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.
- shell
- JavaScript
- ruby
- 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'