IBM Cloud Object Storage SDK for Python

library 2.16.1 ·python

✓ verified May 22, 2026

The IBM Cloud Object Storage SDK for Python (ibm-cos-sdk) is a Python package allowing developers to interact with IBM Cloud Object Storage. It is a fork of the popular boto3 library, adapted for IBM Cloud's IAM authentication, and provides an S3-compatible API. The library is actively maintained with frequent updates, currently at version 2.16.1, adding features like S3 Object Lock Governance Mode and Checksums Support.

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docscloud.ibm.com/docs/cloud-object-storage?topic=cloud-object-storage-python ↗

githubgithub.com/ibm/ibm-cos-sdk-python ↗

packagepypi.org/project/ibm-cos-sdk/ ↗

API endpoints

full doc /v1/registry/ibm-cos-sdk

install /v1/registry/ibm-cos-sdk/install

compatibility /v1/registry/ibm-cos-sdk/compatibility