telesign
TeleSign SDK
Decision gist · record as of 2026-08-14
Yes, if you need SMS or voice messaging from a production-grade platform. The SDK is actively maintained, has no known vulnerabilities, installs cleanly with minimal dependencies, and carries a permissive MIT license. The main requirement is a TeleSign account and API credentials; without them, the SDK alone is not useful. Suitable for production use in applications requiring reliable phone-based communication.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires a TeleSign account with Customer ID and API Key from the TeleSign Portal to authenticate API calls.
- Low friction: pure Python wheel with only requests as a runtime dependency.
- Active maintenance with a recent release (29 days old) and ongoing repository commits.
License · maintenance · safety
MIT (permissive) — MIT license permits commercial and private use with minimal restrictions; you may use, modify, and distribute the code provided you include the license notice.
last release 2026-07-16 (29 days) · last repo commit 2026-07-16 · 25 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 804,516 downloads/mo, #5,017 on PyPI
Alternatives
Verify before relying
pip install telesign
from telesign.messaging import MessagingClient
customer_id = "your-customer-id"
api_key = "your-api-key"
messaging_client = MessagingClient(customer_id, api_key)
response = messaging_client.message("+1234567890", "Your code: 1234", "ARN")- Whether the SDK supports modern async/await patterns or is callback/blocking only.
- Rate limiting and quota behavior for high-volume messaging scenarios.
- Exact error handling and retry logic for failed message delivery.
What it is and what it does
TeleSign SDK is a Python client library for the TeleSign communications platform, a service that handles SMS messaging, voice calls, and identity verification at scale. It wraps TeleSign's REST API, letting you send messages, verify phone numbers, and perform authentication checks from Python code. The library depends only on requests and installs as a pure wheel, making it lightweight to add to existing projects.
The SDK is production-stable (Development Status 5) and has been maintained since 2012. It supports Python 2.7 and Python 3.3 through 3.12, though Python 2 is now end-of-life. Recent releases and active commits indicate ongoing maintenance. Use it when you need to integrate SMS or voice-based authentication, send transactional messages to phone numbers, or verify user identities as part of a larger application.
Use it for
- Send one-time passwords or verification codes via SMS for two-factor authentication flows.
- Deliver transactional notifications (appointment reminders, delivery updates) to phone numbers.
- Verify phone number ownership during user registration or account recovery.
- Implement voice-based authentication or notification delivery for accessibility.
- Build fraud prevention workflows that check phone number reputation or risk scores.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need SMS or voice messaging from a production-grade platform.
The SDK is actively maintained, has no known vulnerabilities, installs cleanly with minimal dependencies, and carries a permissive MIT license. The main requirement is a TeleSign account and API credentials; without them, the SDK alone is not useful. Suitable for production use in applications requiring reliable phone-based communication.
Install
telesign on PyPI
Before you install
Low friction: pure Python wheel with only requests as a runtime dependency. Active maintenance with a recent release (29 days old) and ongoing repository commits.
Requires a TeleSign account with Customer ID and API Key from the TeleSign Portal to authenticate API calls.
License in practice
MIT license permits commercial and private use with minimal restrictions; you may use, modify, and distribute the code provided you include the license notice.
Quickstart
pip install telesign
from telesign.messaging import MessagingClient
customer_id = "your-customer-id"
api_key = "your-api-key"
messaging_client = MessagingClient(customer_id, api_key)
response = messaging_client.message("+1234567890", "Your code: 1234", "ARN")Verify before relying
- Whether the SDK supports modern async/await patterns or is callback/blocking only.
- Rate limiting and quota behavior for high-volume messaging scenarios.
- Exact error handling and retry logic for failed message delivery.
Package facts
| License | MIT permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packagerequests |
| Maintenance | Actively maintained 29 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 804,516 / month, #5,017 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 LicenseNatural Language :: EnglishProgramming Language :: PythonProgramming Language :: Python :: 2Programming Language :: Python :: 2.6Programming Language :: Python :: 2.7Programming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.3Programming Language :: Python :: 3.4Programming Language :: Python :: 3.5Programming Language :: Python :: 3.6Programming Language :: Python :: 3.7Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9 |
Evidence: telesign-4.1.0-py2.py3-none-any.whl
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See also ringcentral · telesignenterprise · clx-sdk-xms · plivo · africastalking · vonage · authy · azure-communication-sms · gassist-text · frontegg