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Pydantic · Class

SerializeAsAny

SerializeAsAny lets Pydantic serialize a value using its actual runtime fields. Validation still uses the declared type, but subclass-only fields can appear in the serialized output.

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Syntax

SerializeAsAny[T]
model_dump(serialize_as_any: bool = False)
model_dump_json(serialize_as_any: bool = False)

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • BaseModel
  • model_dump()
  • model_dump_json()
  • SerializeAsAny
  • Any

Source: Serialization | Pydantic Docs. Checked 2026-11-03.