Show HN: A billing ledger on Postgres, tested with randomized invariants

说明与用途

Show HN: A billing ledger on Postgres, tested with randomized invariants 通过 PostgreSQL 作为可靠账本，快速集成计费、发票和支付网关流程。使用时，只需拉取仓库、执行迁移并连接现有支付 API，然后通过随机不变式验证业务逻辑。它适用于原型和内部工作流，生产环境前请检查依赖、文档和维护情况。

实际用途

Show HN: A billing ledger on Postgres, tested with randomized invariants helps integrate monetization, billing, or PSP flows faster.

• integrate billing or checkout
• evaluate PSP flows
• automate payment operations

限制与审查说明

Medium: useful for prototypes or internal workflows, with dependency and maintenance checks before production.