Do I need to update my payment system for transaction link identifiers?

Most merchants donât need to take any action. Payment processors and gateways handle TLID automatically. If you have custom integrations, check with your technical team or payment provider just to verify that there is nothing you need to do on your end.

Will transaction link identifiers affect my transaction processing?

No. A TLID is generated by Mastercard automatically and doesnât change how you process payments or interact with customers.

Can I use the transaction link identifiers to track transactions?

Yes, you can use transaction link identifiers to track transactions if your payment processor makes it available in your reporting. TLID provides a unique way to track a transaction through its entire lifecycle.

Is the transaction link identifier the same as a Trace ID?

No, Trace ID is not the same as a transaction link identifier. The former is an older, composite identifier used primarily for recurring transactions. The latter is a new, single 36-character identifier that will eventually replace multiple older identifiers.

Do I need a transaction link identifier for chargeback disputes?

TLID is not currently a required field in chargeback representment. But, having the TLID on hand can help with transaction tracking, providing clear audit trails, and submitting a response in case of a dispute.

When will transaction link identifiers become mandatory?

As of this writing, Mastercard hasnât yet announced a date when TLIDs will be mandatory, or when older identifiers will be retired. Monitor updates from your payment processor for up-to-date information.

Transaction Process Archives

Transaction Process

Transaction Link Identifier

The Mastercard Transaction Link Identifier (TLID) is a new 36-character unique identifier that Mastercard automatically generates for every transaction to provide consistent tracking throughout a transaction's lifecycle. Mastercard generates the TLID automatically and includes it in authorization responses. Understanding how it works can help with transaction tracking and dispute management.

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