starknet_getMessagesStatus - Given an l1 tx...

Given an l1 tx hash, returns the associated l1_handler tx hashes and statuses for all L1 -> L2 messages sent by the l1 transaction, ordered by the l1 tx sending order

Starknet RPC endpoint: endpoint URLs, plans and pricing.

{
  "jsonrpc": "2.0",
  "method": "starknet_getMessagesStatus",
  "params": [
    "0x01438e2dc065c46840a28564c4c0a0db0bd43a9f54554cad7992f512b3f29ec4"
  ],
  "id": 1
}