Mastercard-specific fee changes (DEF, TLID, MDEF, BIN sponsor, spring release, specialty merchant).
Mastercard's revised TPE rules exclude incremental preauth flows but require full reversal within 30 days. What hospitality and travel acquirers should check.
Read more →Mastercard's Digital Enablement Fee (DEF) was repriced and rebundled April 6, 2026. The new fee tiers, what's bundled in, and the margin impact for acquirers.
Read more →June is when this turns from “noted” to “felt” for acquirers and high-risk ISOs.
Read more →They hit four different parts of an acquirer and ISO book, and most teams are modeling them as one variance line.
Read more →Most acquirers and processors know about Mastercard's Transaction Link Identifier (TLID) by now. It's a 22-character identifier intended to keep a transaction linked across its lifecycle...
Read more →US acquirers and ISOs: Mastercard MDEF cap removed - are you staying on top of network fees?
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