symfony:api-platform-serialization

You define explicit operation contracts by setting specific normalization and denormalization contexts per operation, ensuring only intended fields are exposed for specific HTTP methods like distinct GET and POST groups.

The best way to manage DTO mapping is through explicit data transformations and custom normalizers for computed fields, maintaining precise contract boundaries between incoming request data and your Symfony domain entities.

Dynamic group assignment works by utilizing context builders to adjust normalization and denormalization groups on the fly, allowing operation-specific data exposure and security policies to be applied conditionally.

Yes, you can apply operation-specific validation and authorization rules by defining explicit serialization strategies that enforce policy-compliant behavior and prevent accidental data leakage across your API resources.

You prevent accidental data leakage by establishing strict operation-level contracts that isolate exposed fields per operation, ensuring evolving resources maintain versioning compliance and secure data exposure boundaries.