With this Covalent API package, you can query historical token balances with two blocks latency for all native tokens, ERC20, or NFTs. The premium has a rate limit of 50 reqs/sec, up from the 4 reqs/sec of the free tier.
This endpoint is great for building:
Currently, we support ETH and BSC mainnet, with the possibility of expanding to more chains in the future.
Quotas & Limits
API List (1)
The Covalent Balances endpoint allows you to get the wallet balances of any address. It supports ERC20 tokens, NFTs, and native tokens.