One Request · Base USDC · No Subscription
Buy an EVM State Batch
Choose a capacity, enter the checks you need, and request a free quote. Nothing is charged and no chain data is returned until you approve the exact quote in your wallet.
Selected tier · a tier is the maximum checks in one request. You pay its fixed price for that batch, even if you submit fewer checks.
Paste a JSON array of read-only checks. A five-chain block-height example is prefilled. Supported checks and field requirements are in the Product Guide.
Never include private keys, seed phrases, or transaction methods. Your request is validated before the payment quote.
Connect a browser wallet, or choose Coinbase Wallet to connect through its secure pop-up. Use a wallet with enough USDC on Base for the selected tier.