---
id: mypy-boto3-sns
version: "1.43.23"
license: MIT
license_treatment: permissive
maintenance: active
---

# mypy-boto3-sns — Type annotations for boto3 SNS 1.43.23 service generated with mypy-boto3-builder 8.12.0

License: permissive · Maintenance: active · Downloads: 2.7M/mo

## What it is and what it does

mypy-boto3-sns is a type-stub package that adds complete type annotations to boto3's SNS service client. It is generated from boto3 1.43.23 using mypy-boto3-builder 8.12.0 and works with static type checkers (mypy, pyright) and IDE language servers (Pylance, PyCharm, Emacs LSP, Sublime LSP) to provide inline code completion and catch type errors before runtime.

The package is designed to be installed alongside boto3 in your development environment. It provides explicit type hints for SNS clients, paginators, service resources, and type definitions, allowing you to write boto3 code with full IDE support and type safety. Installation is straightforward via pip, and the package carries no production dependency—you can use TYPE_CHECKING guards to exclude it from runtime if needed.

Use it for:

- Enable IDE autocomplete and type checking for SNS operations in VSCode with Pylance or PyCharm.
- Run mypy or pyright type checking on boto3 SNS code in CI/CD pipelines to catch type errors early.
- Use explicit type annotations for SNSClient, paginators, and service resources in large AWS projects.
- Develop AWS Lambda functions with SNS integration while maintaining type safety in your editor.
- Migrate legacy boto3 code to typed Python by gradually adding SNSClient type hints.

## Worth the install?

AI-flagged interpretation of the facts above — verify before relying.

Provides type annotations and IDE autocompletion for boto3 SNS 1.43.23, enabling static type checking with mypy, pyright, and other tools across VSCode, PyCharm, Emacs, and Sublime Text.

Yes. This is a low-friction, actively maintained type-stub package with no security vulnerabilities and permissive licensing. Install it in development environments to gain IDE autocompletion and static type checking for boto3 SNS without runtime overhead. Exclude it from production via TYPE_CHECKING if needed.

## Install

pip install mypy-boto3-sns
uv add mypy-boto3-sns
poetry add mypy-boto3-sns

## Installing mypy-boto3-sns

Before you install: Low friction: single runtime dependency (typing-extensions) and a pure-Python wheel. Active maintenance with recent releases; last commit 2026-06-22.

License in practice: MIT license permits unrestricted use, modification, and distribution in both open-source and proprietary projects.

Quickstart:

pip install mypy-boto3-sns

from boto3.session import Session
from mypy_boto3_sns import SNSClient

client: SNSClient = Session().client("sns")

Requires Python 3.9 or later; boto3 must be installed separately in your environment.

Verify before relying:

- Whether PyCharm performance issues with Literal overloads (PY-40997) remain unresolved in current versions.
- Whether the boto3-stubs-lite alternative is recommended as a default for PyCharm users.
- Actual type coverage completeness for all SNS operations and edge cases.

## Package facts

- License: MIT (permissive)
- Python support: supports_current
- Install friction: low
- Maintenance: active
- Downloads: 2.7M/month (top 5,000 on PyPI)
- Known vulnerabilities: none known

## Tags

boto3 type annotations, sns type stubs, mypy boto3, boto3 ide autocomplete, aws sns typing, pyright boto3 sns, boto3 type hints, type-stubs, aws-sdk, ide-support

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