Transactions Endpoints

Method	Path	Description
POST	/v1/transactions/{transactionId}/costs	Add cost to transaction
POST	/v1/transactions/{transactionId}/facts	Add facts to transaction
POST	/v1/transactions/{transactionId}/complete	Complete a transaction
POST	/v1/transactions	Create a new transaction
GET	/v1/transactions/{transactionId}	Get transaction details
GET	/v1/transactions/{transactionId}/costs	List transaction costs
GET	/v1/transactions	List transactions
POST	/v1/transactions/{transactionId}/reauthorize	Reauthorize a transaction with x402 payment data