The phrase "got due" implies that something is owed or expected, and there are several synonyms that can be used to convey a similar meaning. These include phrases like "received payment," "fulfilled obligation," "obtained what was deserved," or "procured rightful compensation." Other possible synonyms for "got due" might include "collected what was owed," "redeemed a debt," or "satisfied an expectation." Ultimately, the appropriate synonym will depend on the context in which the phrase is being used and the specific connotations that the speaker wants to convey.