Authorize.Net
Enabling more businesses to process transactions worldwide
an InfoSpace service



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Transaction Version
The Current Version displayed below represents the transaction version (also known as response string version) currently set for transaction processing on your account. To upgrade the transaction version for your account, select the desired version from the Transaction Version drop-down box.

For more information on the format of each transaction version, please refer to Documentation and Reference Guides.

Current Version: 3
Transaction Version:

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