Rychlý start

curl "https://zeptej.se.it/api/csv/v1/products?key=VAS_KLIC&mutation_id=1"

curl "https://zeptej.se.it/api/csv/v1/products?key=VAS_KLIC&mutation_id=1" \
  -o products.csv

import requests

resp = requests.get(
    "https://zeptej.se.it/api/csv/v1/products",
    params={"key": "VAS_KLIC", "mutation_id": "1"},
)
resp.raise_for_status()

with open("products.csv", "wb") as f:
    f.write(resp.content)