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A Python client library for sending and managing SMS messages via the SMS Gateway for Android™ API

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📱 SMS Gateway for Android™ Python API Client

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A modern Python client for seamless integration with the SMSGate API. Send SMS messages programmatically through your Android devices with this powerful yet simple-to-use library.

📖 About The Project

The Python client for SMSGate provides a clean, type-safe interface to interact with the SMSGate API. It's designed specifically for Python developers who need to integrate SMS functionality into their applications with minimal setup and maximum reliability.

Key value propositions:

  • 🐍 Pythonic API - Designed with Python conventions and best practices in mind
  • 🛡️ Robust Security - Guidance for secure credential handling and optional end‑to‑end encryption
  • 🔄 Flexible Architecture - Supports both synchronous and asynchronous programming patterns
  • 💻 Type Safety - Full type hinting for better developer experience and fewer runtime errors
  • 🔗 Webhook Integration - Simplified webhook management for event-driven architectures

This client abstracts away the complexities of the underlying HTTP API while providing all the necessary functionality to send and track SMS messages through Android devices.

📚 Table of Contents

✨ Features

  • 🔄 Dual Client: Supports both synchronous (APIClient) and asynchronous (AsyncAPIClient) interfaces
  • 🔐 Flexible Authentication: Supports both Basic Auth and JWT token authentication
  • 🔒 End-to-End Encryption: Optional message encryption using AES-256-CBC
  • 🌐 Multiple HTTP Backends: Native support for requests, aiohttp, and httpx
  • 🔗 Webhook Management: Programmatically create, query, and delete webhooks
  • ⚙️ Customizable Base URL: Point to different API endpoints
  • 💻 Full Type Hinting: Fully typed for better development experience
  • ⚠️ Robust Error Handling: Specific exceptions and clear error messages
  • 📈 Delivery Reports: Track your message delivery status
  • 🔑 Token Management: Generate and revoke JWT tokens with custom scopes and TTL

⚙️ Requirements

  • Python: 3.9 or higher
  • HTTP Client (choose one):

Optional Dependencies:

📦 Installation

Basic Installation

pip install android-sms-gateway

Installation with Specific HTTP Client

# Choose an HTTP client: pip install android-sms-gateway[requests] # For synchronous use pip install android-sms-gateway[aiohttp] # For asynchronous use pip install android-sms-gateway[httpx] # For both synchronous and asynchronous use

Installation with Encryption

# For encrypted messages: pip install android-sms-gateway[encryption] # Or install everything: pip install android-sms-gateway[requests,encryption]

🚀 Quickstart

Initial Setup

  1. Configure your credentials:

    export SMSGATE_USERNAME="your_username" export SMSGATE_PASSWORD="your_password"
  2. Basic usage example:

import asyncio import os from android_sms_gateway import client, domain # Configuration login = os.getenv("SMSGATE_USERNAME") password = os.getenv("SMSGATE_PASSWORD") # Create message message = domain.Message( phone_numbers=["+1234567890"], text_message=domain.TextMessage( text="Hello! This is a test message.", ), with_delivery_report=True, ) # Synchronous Client def sync_example(): with client.APIClient(login, password) as c: # Send message state = c.send(message) print(f"Message sent with ID: {state.id}") # Check status status = c.get_state(state.id) print(f"Status: {status.state}") # Asynchronous Client async def async_example(): async with client.AsyncAPIClient(login, password) as c: # Send message state = await c.send(message) print(f"Message sent with ID: {state.id}") # Check status status = await c.get_state(state.id) print(f"Status: {status.state}") if __name__ == "__main__": print("=== Synchronous Example ===") sync_example() print("\n=== Asynchronous Example ===") asyncio.run(async_example())

Encryption Example

from android_sms_gateway import client, domain, Encryptor # Encryption setup encryptor = Encryptor("my-super-secure-secret-passphrase") # Encrypted message message = domain.Message( phone_numbers=["+1234567890"], text_message=domain.TextMessage( text="This message will be encrypted!" ), ) # Client with encryption with client.APIClient(login, password, encryptor=encryptor) as c: state = c.send(message) print(f"Encrypted message sent: {state.id}")

JWT Authentication Example

import os from android_sms_gateway import client, domain # Option 1: Using an existing JWT token jwt_token = os.getenv("ANDROID_SMS_GATEWAY_JWT_TOKEN") # Create client with JWT token with client.APIClient(login=None, password=jwt_token) as c: message = domain.Message( phone_numbers=["+1234567890"], text_message=domain.TextMessage( text="Hello from JWT authenticated client!", ), ) # Option 2: Generate a new JWT token with Basic Auth login = os.getenv("SMSGATE_USERNAME") password = os.getenv("SMSGATE_PASSWORD") with client.APIClient(login, password) as c: # Generate a new JWT token with specific scopes and TTL token_request = domain.TokenRequest( scopes=["sms:send", "sms:read"], ttl=3600 # Token expires in 1 hour ) token_response = c.generate_token(token_request) print(f"New JWT token: {token_response.access_token}") print(f"Token expires at: {token_response.expires_at}") # Use the new token for subsequent requests with client.APIClient(login=None, password=token_response.access_token) as jwt_client: message = domain.Message( phone_numbers=["+1234567890"], text_message=domain.TextMessage( text="Hello from newly generated JWT token!", ), ) state = jwt_client.send(message) print(f"Message sent with new JWT token: {state.id}") # Revoke the token when no longer needed jwt_client.revoke_token(token_response.id) print(f"Token {token_response.id} has been revoked")

🤖 Client Guide

Client Configuration

Both clients (APIClient and AsyncAPIClient) support these parameters:

Parameter Type Description Default
login str API username Required (for Basic Auth)
password str API password or JWT token Required
base_url str API base URL "https://api.sms-gate.app/3rdparty/v1"
encryptor Encryptor Encryption instance None
http HttpClient/AsyncHttpClient Custom HTTP client Auto-detected

Authentication Options:

  1. Basic Authentication (traditional):

    client.APIClient(login="username", password="password")
  2. JWT Token Authentication:

    # Using an existing JWT token client.APIClient(login=None, password="your_jwt_token") # Or generate a token using Basic Auth first with client.APIClient(login="username", password="password") as c: token_request = domain.TokenRequest(scopes=["sms:send"], ttl=3600) token_response = c.generate_token(token_request) # Use the new token with client.APIClient(login=None, password=token_response.access_token) as jwt_client: # Make API calls with JWT authentication pass

Available Methods

Method Description Return Type
send(message: domain.Message) Send SMS message domain.MessageState
get_state(id: str) Check message status domain.MessageState
create_webhook(webhook: domain.Webhook) Create new webhook domain.Webhook
get_webhooks() List all webhooks List[domain.Webhook]
delete_webhook(id: str) Delete webhook None
generate_token(token_request: domain.TokenRequest) Generate JWT token domain.TokenResponse
revoke_token(jti: str) Revoke JWT token None

Data Structures

Message

class Message: message: str # Message text phone_numbers: List[str] # List of phone numbers with_delivery_report: bool = True # Delivery report is_encrypted: bool = False # Whether message is encrypted # Optional fields id: Optional[str] = None # Message ID ttl: Optional[int] = None # Time-to-live in seconds sim_number: Optional[int] = None # SIM number

MessageState

class MessageState: id: str # Unique message ID state: ProcessState # Current state (SENT, DELIVERED, etc.) recipients: List[RecipientState] # Per-recipient status is_hashed: bool # Whether message was hashed is_encrypted: bool # Whether message was encrypted

Webhook

class Webhook: id: Optional[str] # Webhook ID url: str # Callback URL event: WebhookEvent # Event type

TokenRequest

class TokenRequest: scopes: List[str] # List of scopes for the token ttl: Optional[int] = None # Time to live for the token in seconds

TokenResponse

class TokenResponse: access_token: str # The JWT access token token_type: str # The type of the token (e.g., 'Bearer') id: str # The unique identifier of the token (jti) expires_at: str # The expiration time of the token in ISO format

For more details, see domain.py.

🌐 HTTP Clients

The library automatically detects installed HTTP clients with this priority:

Client Sync Async
aiohttp 1️⃣
requests 1️⃣
httpx 2️⃣ 2️⃣

Using Specific Clients

from android_sms_gateway import client, http # Force httpx usage client.APIClient(..., http=http.HttpxHttpClient()) # Force requests usage client.APIClient(..., http=http.RequestsHttpClient()) # Force aiohttp (async only) async with client.AsyncAPIClient(..., http_client=http.AiohttpHttpClient()) as c: # ...

Custom HTTP Client

Implement your own HTTP client following the http.HttpClient (sync) or ahttp.AsyncHttpClient (async) protocols.

🔒 Security

Best Practices

⚠️ IMPORTANT: Always follow these security practices:

  • 🔐 Credentials: Store credentials in environment variables
  • 🚫 Code: Never expose credentials in client-side code
  • 🔒 HTTPS: Use HTTPS for all production communications
  • 🔑 Encryption: Use end-to-end encryption for sensitive messages
  • 🔄 Rotation: Regularly rotate your credentials

JWT Security Best Practices

When using JWT authentication, follow these additional security practices:

  • ⏱️ Short TTL: Use short time-to-live (TTL) for tokens (recommended: 1 hour or less)
  • 🔒 Secure Storage: Store JWT tokens securely, preferably in memory or secure storage
  • 🎯 Minimal Scopes: Request only the minimum necessary scopes for each token
  • 🔄 Token Rotation: Implement token refresh mechanisms before expiration
  • 🛑 Revocation: Immediately revoke compromised tokens using revoke_token()

Secure Configuration Example

import os from dotenv import load_dotenv # Load environment variables load_dotenv() # Secure configuration login = os.getenv("SMSGATE_USERNAME") password = os.getenv("SMSGATE_PASSWORD") if not login or not password: raise ValueError("Credentials not configured!")

📚 API Reference

For complete API documentation including all available methods, request/response schemas, and error codes, visit: 📘 Official API Documentation

👥 Contributing

Contributions are very welcome! 🎉

How to Contribute

  1. 🍴 Fork the repository
  2. 🌿 Create your feature branch (git checkout -b feature/NewFeature)
  3. 💾 Commit your changes (git commit -m 'feat: add new feature')
  4. 📤 Push to branch (git push origin feature/NewFeature)
  5. 🔄 Open a Pull Request

Development Environment

# Clone repository git clone https://github.com/android-sms-gateway/client-py.git cd client-py # Create virtual environment pipenv install --dev --categories encryption,requests pipenv shell

Pull Request Checklist

  • Code follows style standards (black, isort, flake8)
  • Tests pass locally
  • Documentation updated
  • Test coverage maintained or improved

📄 License

This project is licensed under the Apache License 2.0 - see LICENSE for details.

🤝 Support


Note: Android is a trademark of Google LLC. This project is not affiliated with or endorsed by Google.