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Simulate by Calldata

POST 
/v1/simulate-transaction

Simulates a Starknet transaction from raw felt calldata, human-readable decoded calls, or an existing transaction hash fetched via a custom RPC. The request body is an externally tagged union: the variant name (WithCalldata, WithDecodedCalldata, or WithTxHash) is the outer JSON key.

Request​

Responses​

Simulation successful.