How to Send SMS from Python

Sending an SMS from Python against a REST SMS API is a single authenticated POST request using requests.

import requests

response = requests.post(
    "https://your-domain.example/api/v1/messages",
    headers={"Authorization": "Bearer swl_live_YOUR_API_KEY"},
    json={
        "recipient": "255700000000",
        "sender_id": "YOURBRAND",
        "body": "Your order has shipped.",
    },
)

print(response.json())

The API key is a Bearer token created from your account. recipient is an E.164-formatted phone number, and sender_id is either your registered sender ID or your account's default sender.

See SMS API Tanzania for the full endpoint reference, including bulk sending and delivery status.