twilio
Twilio API client and TwiML generator
Decision gist · record as of 2026-08-14
Yes. Twilio is a mature, actively maintained library with low install friction, no known vulnerabilities, a permissive MIT license, and broad Python version support. Install it if you need to integrate SMS, voice calls, or other Twilio services into a Python application. The only prerequisite is a valid Twilio account and credentials.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires valid Twilio account credentials (Account SID and Auth Token) from https://console.twilio.com; credentials can be passed directly or via TWILIO_ACCOUNT_SID and TWILIO_AUTH_TOKEN environment variables.
- Low install friction with a pure-Python wheel distribution.
- Actively maintained with a release 3 days old and recent commits; supports current Python versions (3.10–3.13) and maintains backward compatibility to 3.7.
License · maintenance · safety
MIT (permissive) — MIT license (permissive) means you can use, modify, and distribute this library freely in commercial and private projects with minimal restrictions.
last release 2026-08-11 (3 days) · last repo commit 2026-08-11 · 2,074 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 20,413,006 downloads/mo, #1,039 on PyPI
Alternatives
Verify before relying
pip install twilio
from twilio.rest import Client
account_sid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
auth_token = "your_auth_token"
client = Client(account_sid, auth_token)
message = client.messages.create(
to="+15558675309",
from_="+15017250604",
body="Hello from Python!")
print(message.sid)- Whether aiohttp and aiohttp-retry are required for all use cases or only for async operations.
- Performance characteristics and rate-limiting behavior when handling high-volume message or call creation.
- Specific Twilio API version(s) supported by this release.
What it is and what it does
Twilio is a Python SDK that wraps the Twilio cloud communications API, allowing developers to programmatically send SMS messages, make phone calls, and manage voice and messaging services. It provides a synchronous REST client by default (using requests) and an optional asynchronous client (using aiohttp) for non-blocking operations. The library handles authentication via Account SID and Auth Token, supports region and edge routing for Twilio's global infrastructure, and includes automatic pagination for listing records.
The package is production-stable, actively maintained, and supports Python 3.7 through 3.13. It depends on requests for synchronous HTTP calls, PyJWT for token handling, and aiohttp/aiohttp-retry for async operations. Developers typically use it to integrate SMS notifications, voice calls, or two-factor authentication into web applications and backend services without managing the underlying telephony infrastructure.
Use it for
- Send SMS notifications or alerts from a web application or backend service to users' mobile phones.
- Implement two-factor authentication (2FA) by generating and sending one-time codes via SMS.
- Programmatically initiate outbound phone calls with custom voice prompts or call routing logic.
- Build a customer support system that logs and retrieves call and message history via the Twilio API.
- Create async message queues in high-throughput applications using the AsyncTwilioHttpClient.
- Route calls to different geographic regions using Twilio's edge and region parameters.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
Twilio is a mature, actively maintained library with low install friction, no known vulnerabilities, a permissive MIT license, and broad Python version support. Install it if you need to integrate SMS, voice calls, or other Twilio services into a Python application. The only prerequisite is a valid Twilio account and credentials.
Install
twilio on PyPI
Before you install
Low install friction with a pure-Python wheel distribution. Actively maintained with a release 3 days old and recent commits; supports current Python versions (3.10–3.13) and maintains backward compatibility to 3.7.
Requires valid Twilio account credentials (Account SID and Auth Token) from https://console.twilio.com; credentials can be passed directly or via TWILIO_ACCOUNT_SID and TWILIO_AUTH_TOKEN environment variables.
License in practice
MIT license (permissive) means you can use, modify, and distribute this library freely in commercial and private projects with minimal restrictions.
Quickstart
pip install twilio
from twilio.rest import Client
account_sid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
auth_token = "your_auth_token"
client = Client(account_sid, auth_token)
message = client.messages.create(
to="+15558675309",
from_="+15017250604",
body="Hello from Python!")
print(message.sid)Verify before relying
- Whether aiohttp and aiohttp-retry are required for all use cases or only for async operations.
- Performance characteristics and rate-limiting behavior when handling high-volume message or call creation.
- Specific Twilio API version(s) supported by this release.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.7.0 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 4 packagesrequestsPyJWTaiohttpaiohttp-retry |
| Maintenance | Actively maintained 3 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 20,413,006 / month, #1,039 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableIntended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: PythonProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.7Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Programming Language :: Python :: Implementation :: CPythonTopic :: Communications :: TelephonyTopic :: Software Development :: Libraries :: Python Modules |
Evidence: twilio-9.11.0-py2.py3-none-any.whl
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