
Database API Layer — RESTful CRUD API Connected to Your Database
Delivery in
5 days
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What you get with this Offer
I will build a clean REST API layer connecting your database to your application — covering CRUD endpoints for your specified data model, parameterised queries preventing SQL injection, connection pool management, pagination for list endpoints, input validation, structured error responses, and API documentation. Application code that constructs SQL strings by string concatenation rather than parameterised queries is the most prevalent and most dangerous database security vulnerability; this service eliminates that vulnerability by design while building a maintainable, documented API your development team can extend.
The API covers database connection pool configuration (pg, mysql2, or sqlite3 depending on platform), parameterised query execution, CRUD route implementation (GET, POST, PUT, PATCH, DELETE), pagination with limit/offset or cursor-based, input validation with detailed error responses, transaction management for multi-step operations, and Swagger/OpenAPI documentation. Built in Node.js/Express or Python/FastAPI.
Designed for developers and businesses who need a well-structured database access layer separating data access from business logic, preventing SQL injection, and providing a documented API contract.
The API covers database connection pool configuration (pg, mysql2, or sqlite3 depending on platform), parameterised query execution, CRUD route implementation (GET, POST, PUT, PATCH, DELETE), pagination with limit/offset or cursor-based, input validation with detailed error responses, transaction management for multi-step operations, and Swagger/OpenAPI documentation. Built in Node.js/Express or Python/FastAPI.
Designed for developers and businesses who need a well-structured database access layer separating data access from business logic, preventing SQL injection, and providing a documented API contract.
What the Freelancer needs to start the work
Please share your database schema, your database platform, your preferred backend language (Node.js or Python), your authentication approach, the endpoints and operations required, and your deployment environment.
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