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Overview
Boto3 is the official AWS SDK for Python. It provides low-level service clients and resource interfaces, credential and region resolution, and Botocore service models for calling AWS APIs such as S3 and EC2.
Features and best fit
Based on official documentation; not hands-on tested · Content checked:
Key features
Call AWS APIs through service clients
boto3.client() or Session-created clients expose AWS service operations as Python methods. Request signing, endpoint resolution, retry behavior, and service models are provided together with Botocore.
Separate credentials, profiles, and regions through Session configuration
The default session or explicit boto3.session.Session can resolve AWS credentials and regions from shared configuration, profiles, environment settings, and related sources. Services with resource interfaces also offer higher-level object-oriented APIs.
Best fit
Fits Python backends, batch jobs, and automation that operate AWS resources
It is the standard choice for Python applications and operational scripts that work with S3 objects, EC2, and other AWS services while relying on official service models and the AWS credential chain.
Sources: [2]
Before adoption
Boto3 1.43.108 requires Python 3.10+; pin the matching Botocore dependency range
Boto3 1.43.108 requires Python 3.10 or newer and depends on Botocore >=1.43.108,<1.44.0 plus s3transfer 0.19.x. AWS service models change frequently, so pin the SDK stack and validate IAM permissions, region, retries, and credential sources per deployment.
Official sources
- [1]boto/boto3 — GitHub repository(2026-10-06)
- [2]Boto3 1.43.108 — README(2026-10-06)
- [3]Boto3 1.43.108 — setup.py(2026-10-06)
- [4]Boto3 1.43.108 — package version(2026-10-06)
- [5]Boto3 Apache-2.0 license(2026-10-06)
Supplemental curator note
Boto3 is the standard Python SDK for AWS. Avoid relying only on implicit default-session behavior in production: make roles, regions, timeouts, and retries explicit and pin Botocore with the rest of the SDK stack.
Try it in 3 steps
- 1
Install Boto3 1.43.108
Pin the SDK version from the reviewed repository tag. Python 3.10 or newer is required.
python -m pip install "boto3==1.43.108" - 2
Create an explicit Session
Verify the SDK version and an explicitly configured region locally without using credentials.
python - <<'PY' import boto3 session = boto3.Session(region_name='us-east-1') print(session.region_name) print(boto3.__version__) PY - 3
Inspect available service models
Check local service models for S3 and EC2 without making any AWS network request.
python - <<'PY' import boto3 session = boto3.Session(region_name='us-east-1') services = session.get_available_services() print('s3' in services, 'ec2' in services, len(services)) PY
Growth
Growth trends · Last 30 days
9,911 Stars
Trend data is still being collected.
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Categories and tags
Categories
GitHub data
GitHub dataView detailed GitHub data
GitHub Topics
- aws
- aws-sdk
- cloud
- cloud-management
- python
- Stars
- 9,911
- Forks
- 1,994
- Watchers
- 227
- Open issues
- 191
- Contributors
- 150
- Owner type
- Organization
- Primary language
- Python
- License
- Apache-2.0
- Repository last updated
- Oct 2, 2026
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