What problem does it solve?
Provides a consistent, secure, production-ready blueprint for designing, implementing, and reviewing REST APIs for financial applications, reducing common mistakes around money handling, authentication, validation, and error handling.
Core Features & Use Cases
- Resource mapping & endpoints: Standard patterns for accounts, transactions, budgets, categories, and reporting with RESTful routes and versioning.
- Security & auth: JWT bearer authentication patterns and middleware guidance to ensure per-user access controls.
- Validation & errors: Zod/Joi validation schemas, structured error responses, and AppError patterns for clear client feedback.
- Operational concerns: Pagination (page and cursor), rate limiting, request IDs, soft deletes, and money-in-cents handling to avoid floating point issues.
- Documentation: OpenAPI templates and examples to generate accurate Swagger specs and client integrations.
Quick Start
Design a versioned REST API for accounts, transactions, and budgets using JWT authentication, Zod validation, pagination, standardized error responses, and an OpenAPI spec.