Lets take 2 real examples of iso8583 flows usage. Network management contains a large range of messages, like: X600/X601 - Administrative messageĬan any message related to the technical infrastructure between financial institutions. X500/X501 - Reconciliation messageĪ reconciliation message is the exchange of totals between two institutions. This can be an authorization (x100) or financial transaction (x200). X420/X421 - Reversal advice messageĪ reversal advice message is a notification that the initial transaction failed. Transaction (x200), or financial transaction advice (x220) that cannot be processed as instructed. ![]() X400/X401 - Reversal messageĪ reversal message is the partial or complete cancellation of the effects of a previous authorization (x100), financial X300/X301 - File action messageĪ file action message is used to add, change, delete or replace a file or record or inquire into a file or perform card administration. X220/X221 - Financial accumulation presentment messageĪ financial accumulation presentment message completes the transactions, usually used in combination with an x100 message. X200/X201 - Financial presentment messageĪ financial presentment message can be used as a complete transaction: to transfer the money from one account to another. ![]() X800/X801 - Network management message X100/X101 - Authorization messageĪn authorization message is an approval or guarantee of funds given by the card issuer to the acquirer.X220/X221 - Financial accumulation presentment message.X200/X201 - Financial presentment message.If we imagine a generic message flow between 2 institutions regardless the scope, this can be captured in the following diagram.īellow is a list with most used message types. To get more information on ISO8583 message format follow Introduction to ISO8583 financial transaction message format tutorial. This tutorial will present message flows, data elements values and meanings.
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