Tag
Both sides of the wire: HMAC signatures with timestamps and constant-time compares, the raw-body trap, dedupe-and-queue consumers, producer retry etiquette and the checklist that prevents 3 a.m. replays.
e-Fatura vs e-Arşiv, SOAP clients that behave in modern .NET, UBL-TR mapping without tears, the status lifecycle, cancellation rules and a go-live checklist from real ERP integrations.
From the while-true-Task.Delay era to clustered schedulers: persistent job stores, misfire policies, timezone traps, idempotent job design and the observability layer everyone skips.
Why I keep coming back to Graylog for self-hosted log management: the GELF setup, structured logging from .NET and Laravel, streams that route and alert, and the retention math nobody does.
Adapty handles paywalls and receipt validation; your ASP.NET Core backend owns the truth. Idempotent webhook handlers, the server API for profiles and promo grants, and access levels as roles.
