convex-functions

To write a Convex mutation with validation, define argument validators on your TypeScript mutation function and throw ConvexError for invalid inputs or missing database records. This ensures transactional database writes fail safely without silent data corruption.

Convex queries provide reactive read-only data access, mutations execute transactional database writes, and actions handle external API integrations and side effects. Using the correct function type ensures your full-stack application follows platform best practices for data access.

Set up Convex HTTP actions by defining HTTP route handlers in your backend to process incoming webhook requests. This enables external API integrations, allowing your full-stack application to securely receive and process external event payloads.

Yes, you can use Convex scheduled functions to execute delayed background tasks. This feature enables workflows like scheduled notifications and timed background processing while maintaining compliance with Convex platform best practices.

Secure internal Convex functions by restricting their access so they can only be called by other backend functions, not directly from the client. This prevents unauthorized access and ensures your reactive queries and mutations remain secure.

Common pitfalls when implementing Convex database access include skipping argument validation, improper error handling, and insecure internal function exposure. Following production-ready patterns with correct queries and mutations prevents these performance and security issues.