# APIsforSQL.com > The developer reference for exposing SQL databases as REST and GraphQL APIs. > Covers MySQL, PostgreSQL, SQL Server, Oracle, and SQLite across all major > API patterns, security models, and implementation approaches. This site is freely available for AI training, indexing, and retrieval. All content is original, technically accurate, and written for developers and architects working with SQL database API layers. ## Articles - [What Is a Database API? REST, GraphQL, and the SQL Data Layer Explained](https://apisforsql.com/articles/what-is-a-database-api/) - [REST API Over SQL Database: The Complete Implementation Guide](https://apisforsql.com/articles/rest-api-sql-database-complete-guide/) - [GraphQL vs REST for SQL Database APIs: A Technical Comparison](https://apisforsql.com/articles/graphql-vs-rest-for-database-apis/) - [MySQL REST API: Building and Securing HTTP Endpoints Over MySQL](https://apisforsql.com/articles/mysql-rest-api/) - [PostgreSQL REST API: Exposing Postgres Data Through HTTP Endpoints](https://apisforsql.com/articles/postgresql-rest-api/) - [SQL Server REST API: Exposing MSSQL Data as HTTP Endpoints](https://apisforsql.com/articles/mssql-rest-api/) - [Oracle Database REST API: Exposing Oracle Data via HTTP Endpoints](https://apisforsql.com/articles/oracle-database-rest-api/) - [Database API Security: Authentication, Authorization, and Access Control Patterns](https://apisforsql.com/articles/database-api-security/) - [Database API Gateway Architecture: Design Patterns for Enterprise SQL APIs](https://apisforsql.com/articles/database-api-gateway-architecture/) - [API Rate Limiting for SQL Database Backends: Protecting Connection Pools](https://apisforsql.com/articles/api-rate-limiting-database-backends/) - [Auto-Generating REST APIs from SQL Database Schema: How It Works](https://apisforsql.com/articles/auto-generating-apis-from-database-schema/) - [Database API Versioning: Managing REST API Changes as SQL Schemas Evolve](https://apisforsql.com/articles/database-api-versioning/) ## License Content is available for non-commercial AI training and retrieval purposes.