6 May 2026
API-led decoupling from legacy BSS without pretending the stack is disposable
Legacy billing and OSS rarely exit quietly. API-led boundaries can still cut cycle time—if catalogue discipline, error semantics, and operational ownership precede façade ambition. Practical decoupling for lean operators stresses seams, versioning, and governance over rip-and-replace slogans.
By Morgan Avery
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