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Expense API Documentation

Summary

The Expense API exposes native claim, decision, Paid-state, receipt, workflow-callback, timeline/audit, and foundation diagnostic capabilities plus a gateway-controlled monolith-shaped compatibility slice. This section documents transport contracts without duplicating domain, database, or event payload documentation.

Audience

API consumers, backend and frontend developers, QA, architects, implementation partners, and support.

Overview

The Expense API exposes native claim, decision, Paid-state, receipt, workflow-callback, timeline/audit, and foundation diagnostic capabilities plus a gateway-controlled monolith-shaped compatibility slice. This section documents transport contracts without duplicating domain, database, or event payload documentation.

API map

No compatibility receipt API is confirmed. Native and compatibility contracts coexist, so maturity is Transitional.

Source References

  • microservices/src/expense-service/Api/ExpenseEndpoints.cs
  • microservices/src/expense-service/Api/ExpenseCompatEndpoints.cs

See Also

Keywords

  • Expense API
  • API Overview

Revision Information

  • Status: Draft
  • Last reviewed: 2026-07-16
  • Review cycle: Quarterly