medusa-development

To create custom API routes in Medusa v2, implement clear HTTP method handlers that utilize req.scope for DI container service resolution and apply Zod validation for request payloads to ensure reliable storefront and admin endpoints.

Building a custom Medusa v2 module requires using model.define to establish persistent domain logic and MedusaService for CRUD generation. You must register the module in medusa-config.ts and follow best practices for managing database migrations.

Event subscribers in Medusa intercept entity events to trigger workflows for integration tasks. Subscribers re-fetch entities from the database and execute workflows for side effects like notifying 3PLs, awarding loyalty points, or syncing with ERPs.

The best way to handle side effects in Medusa workflows is implementing workflow compensation functions. Compensation functions roll back side effects if a step fails, ensuring reliable process execution for scheduled jobs and external integrations.

Yes, you can implement a custom payment provider in Medusa v2. Create a custom module specifically designed to handle payment processing logic and incoming webhook events from the payment gateway.

Yes, Medusa v2 supports scheduled jobs for backend automation. You can configure scheduled jobs to run at specific intervals, such as a scheduled job designed to automatically expire loyalty points over time.