Bitcoin Blockchain Data Indexing API
Bitcoin Quick Facts
The Bitcoin blockchain is the first blockchain that was created and it serves as the backbone of the Bitcoin network.
- Mainnet
Chain name | btc-mainnet |
Chain ID | 20090103 |
Block explorer | https://blockstream.info/ |
Blocktime | 600 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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Code Samples
- Token Balances
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'