FastApi Route Preprocessing and Data Cleaning

I require a FastAPI solution that identifies the route destination before any actual calls to it occur in order to read the incoming request data. The job requires specific skills in Python and FastAPI.

Key responsibilities:

- Design and implement a method to identify the route destination before an actual call is made.
- Read incoming request data and implement rules based on the route inforation

Ideal freelancers would hold:

- Strong knowledge and experience in Python and FastAPI.
- Experience in request data modification and route-based data handling.
- Ability to make informed decisions regarding the identification of irrelevant data.