Resvary

Resvary provides a robust prepaid credit ledger specifically designed for products with usage-based billing. Key features include: * Prepaid credit management * Maximum cost reservation before execution * Accurate usage charging * Automatic release of unused funds * Retry-safe transaction handling * Balance tracing and operation recovery This system ensures that operations can be attempted and reattempted without double-charging or complex reconciliation. Developers can integrate seamlessly using the open-source TypeScript SDK, supporting both SQLite and Postgres databases. This flexibility allows for easy deployment and scaling within existing infrastructure. The Operator Console offers a centralized view for monitoring credit balances, tracing transaction histories, and recovering from any failed operations, ensuring service continuity and financial integrity. It eliminates the complexities often associated with managing variable usage costs and ensures transparency for both providers and end-users. Resvary is ideal for engineering teams and product managers building applications that require precise, auditable usage billing and credit management. It simplifies the financial backend, allowing teams to focus on core product development while providing a fair and transparent payment experience.