types-boto3-lambda
Type annotations for boto3 Lambda 1.43.60 service generated with mypy-boto3-builder 8.12.0
Decision gist · record as of 2026-08-14
Yes. If you use boto3 to interact with AWS Lambda and want IDE support or static type checking, this is a straightforward, low-friction install with no security concerns and active maintenance. The single dependency (typing-extensions) and permissive MIT license remove friction. Install it if your workflow includes mypy, pyright, or an IDE with type-aware completion; skip it only if you're not using a type checker or IDE that supports type stubs.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.9 or later; boto3 itself must be installed separately to use the client at runtime.
- Low friction install with a single runtime dependency (typing-extensions).
- Actively maintained with a recent release (15 days ago) and no known vulnerabilities.
License · maintenance · safety
MIT (permissive) — MIT license permits unrestricted use, modification, and distribution in both open-source and commercial projects.
last release 2026-07-30 (15 days) · last repo commit 2026-06-22 · 670 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 2,869,002 downloads/mo, #2,852 on PyPI
Alternatives
Verify before relying
python -m pip install types-boto3-lambda
from boto3.session import Session
from types_boto3_lambda import LambdaClient
client: LambdaClient = Session().client("lambda")- Whether PyCharm performance issues mentioned in the description (PY-40997) still affect current versions.
- Exact scope of Lambda service operations covered by the type stubs.
What it is and what it does
This package is a type stub library that adds static type information to boto3's Lambda service client. It's generated from boto3 1.43.60 using mypy-boto3-builder 8.12.0 and works with type checkers (mypy, pyright) and IDEs (VSCode, PyCharm, Emacs, Sublime Text) to provide code completion and catch type errors at development time rather than runtime.
When installed, it enables you to annotate boto3 Lambda clients with precise types, so your editor and type checker understand what methods are available, what arguments they accept, and what they return. This eliminates guessing about the Lambda API surface and catches mistakes before deployment. It's a stub-only package—it doesn't execute code, only provides type information to development tools.
Use it for
- Add IDE autocompletion and type checking to boto3 Lambda code in VSCode or PyCharm without runtime overhead.
- Catch Lambda API usage errors during development with mypy or pyright static analysis.
- Enable explicit type annotations for Lambda client operations in production code using TYPE_CHECKING guards.
- Improve code documentation and maintainability by making Lambda API contracts visible to other developers.
- Integrate type-checked Lambda operations into CI/CD pipelines that run mypy or pyright.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
If you use boto3 to interact with AWS Lambda and want IDE support or static type checking, this is a straightforward, low-friction install with no security concerns and active maintenance. The single dependency (typing-extensions) and permissive MIT license remove friction. Install it if your workflow includes mypy, pyright, or an IDE with type-aware completion; skip it only if you're not using a type checker or IDE that supports type stubs.
Install
types-boto3-lambda on PyPI
Before you install
Low friction install with a single runtime dependency (typing-extensions). Actively maintained with a recent release (15 days ago) and no known vulnerabilities.
Requires Python 3.9 or later; boto3 itself must be installed separately to use the client at runtime.
License in practice
MIT license permits unrestricted use, modification, and distribution in both open-source and commercial projects.
Quickstart
python -m pip install types-boto3-lambda
from boto3.session import Session
from types_boto3_lambda import LambdaClient
client: LambdaClient = Session().client("lambda")Verify before relying
- Whether PyCharm performance issues mentioned in the description (PY-40997) still affect current versions.
- Exact scope of Lambda service operations covered by the type stubs.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.9 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packagetyping-extensions |
| Maintenance | Actively maintained 15 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 2,869,002 / month, #2,852 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/StableEnvironment :: ConsoleIntended Audience :: DevelopersNatural Language :: EnglishOperating System :: OS IndependentProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.9Programming Language :: Python :: Implementation :: CPythonTyping :: Stubs Only |
Evidence: types_boto3_lambda-1.43.60-py3-none-any.whl
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See also mypy-boto3-lambda · types-aiobotocore-lambda · types-boto3 · types-boto3-ec2 · types-boto3-full · types-boto3-iam · types-boto3-s3 · types-boto3-apigatewaymanagementapi · types-boto3-cloudformation · mypy-boto3-ec2