Openapi-core is a Python library that adds client-side and server-side support
for the OpenAPI Specification v3.

Key features:
- Validation of requests and responses
- Schema casting and unmarshalling
- Media type and parameters deserialization
- Security providers (API keys, Cookie, Basic and Bearer HTTP authentications)
- Custom deserializers and formats
- Integration with libraries and frameworks

WWW: https://github.com/p1c2u/openapi-core