Credit Cost

Credit cost per Web3 API method and SQL API call.

This page lists the credit cost for every metered API method. Costs are uniform across all supported chains. Billing semantics differ by product:

• Web3 API — charged only on a successful response; failed requests (4xx/5xx) are free.
• SQL API — charged at submission, regardless of whether the query later succeeds, fails at runtime, or is cancelled.

For full details on credits, plans, and billing cycles, see the Credit Overview.

SQL API

Method	Endpoint	Credits
SQL Query Execution	SQL API	100

A flat 100 credits are deducted the moment a query is submitted and accepted for execution, regardless of query complexity, scanned bytes, or runtime — and regardless of the query’s eventual outcome.

Web3 API

Basic

Method	Endpoint	Credits
Get Latest Block Number	/v1/block/number/latest	1
Get Block by Number	/v1/block/detail	3
Get Transaction	/v1/tx/detail	3
Get Transactions by Account	/v1/account/txs	3
Contract Call	/v1/contract/call	3

Balance

Method	Endpoint	Credits
Get Native Token Balance	/v1/account/balance	1
Get ERC20 Token Balances	/v1/account/tokens	3
Get NFTs Owned by Address	/v1/account/nfts	3

Token

Method	Endpoint	Credits
Get Token Metadata	/v1/token/metadata	1
Get Token Price	/v1/token/price	1
Get Token Price History	/v1/token/price/history	3
Get Token Holders	/v1/token/holders	3
Get Top Token Holders	/v1/token/top-holders	3
Get Token Transfers by Contract	/v1/token/transfers	5

NFT

Method	Endpoint	Credits
Get NFT Metadata	/v1/nft/metadata	1
Get NFT Rarity	/v1/nft/rarity	1
Get NFT Collection Metadata	/v1/nft/collection	1
Get NFT Collection Items	/v1/nft/collection/items	3
Get NFT Owner by Token	/v1/nft/owner	3
Get NFT Owners by Collection	/v1/nft/owners	3
Get NFT Owner History by Token	/v1/nft/owner/history	3
Get NFT Transfers by Collection	/v1/nft/transfers	3

Domain

Method	Endpoint	Credits
Resolve ENS Domain	/v1/ens/records	1
Reverse Resolve ENS Domain	/v1/ens/reverse	3
Get ENS Domains by Address	/v1/account/ens	3

Notes

• When credits are deducted. Web3 API charges only on a successful response (4xx/5xx are free). SQL API charges at submission and the deduction is final, regardless of query outcome.
• No per-chain variation. The same method costs the same number of credits on every supported chain.
• Pagination. Each page request is a separate billable call.
• Subject to change. Credit costs may be adjusted as we add capacity or new methods. Material changes will be announced in advance.

To monitor your usage, visit console.chainbase.com/settings/billing?tab=credit.