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refunds
Here are 3 public repositories matching this topic...
Financial ledger system implementing double-entry accounting with ACID guarantees, idempotent payments, and crash-safe async webhooks using PostgreSQL + FastAPI
python webhooks microservices backend rest-api postgresql ledger fintech asyncio payment-gateway jwt-auth double-entry payment-system escrow refunds database-design idempotency fastapi transactional-outbox acid-transactions
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Updated
Dec 24, 2025 - Python
Contract‑first Python payments kit with FastAPI routers, gRPC services, SQLAlchemy, and JWT auth, supports transactions, refunds, and settlements.
python sqlalchemy jwt microservices sql protobuf grpc payments clean-architecture marshmallow transactions payment-gateway authorize-net payment-processing adapter-pattern refunds settlements paysafe pydantic fastapi
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Updated
Nov 14, 2025 - Python
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