Authorizations
x402 blockchain payment authorization header containing signed EIP-3009 Transfer with Authorization
Body
application/json
CAIP-12 chain identifier or slug
Retrieve the current block number of a blockchain network. Returns the latest block number as a hex string. Essential for monitoring network progress, transaction confirmation tracking, and determining the current state of the blockchain. Requires x402 blockchain payment.
x402 blockchain payment authorization header containing signed EIP-3009 Transfer with Authorization
CAIP-12 chain identifier or slug