Permit.io

Permit.io leads the Authorization as a Service revolution with best-in-class products to manage application permissions and authorization. Thousands of developers use Permit's Python SDK to protect app resources and ensure only permitted operations happen in their applications.Permit's team is also the creator of multiple successful Open Source Python projects such as OPAL (1.6k stars), fastapi_websocket_pubsub,  fastapi_websocket_rpc, and more.