---
search:
  exclude: true
---

# API Completeness

In the following section it is possible to check which method is implemented for which
class and backend.

!!! info

    - By design, Polars supports all the methods of the Narwhals API.
    - "pandas-like" means pandas, cuDF and Modin.
    - "spark-like" means PySpark, but we may extend this to also cover SQLFrame.
