Authorizations
x402 blockchain payment authorization header containing signed EIP-3009 Transfer with Authorization
Body
application/json
CAIP-12 chain identifier or slug
Retrieve the network version (chain ID) of the connected blockchain network. Returns the numeric chain identifier as a string. Essential for identifying which blockchain network the node is connected to and ensuring transaction compatibility. Requires x402 blockchain payment.
x402 blockchain payment authorization header containing signed EIP-3009 Transfer with Authorization
CAIP-12 chain identifier or slug