kpn-api-store-python is the Python client library for APIs provided by the KPN API Store. from kpnapistore.messaging.sms_kpn.v1 import Client client_id = "APP_CLIENT_ID" client_secret = "APP_CLIENT_SECRET" client = Client(client_id, client_secret) client.send("KPN API", "316xxxxxxxx", "Hello from kpn-api-store-python!") Installing kpn-api-store-python and Supported Versions kpn-api-store-python is available on PyPI: $ python -m pip install kpn-api-store kpn-api-store-python officially supports Python 3.6+.