---
name: cloud-object-storage-cos-sdk-v1-deprecate-notice
title: Deprecation of IBM Cloud® Object Storage SDK (Go, Java, and Node.js) V1
description: IBM Cloud continues to evaluate its service offerings periodically, keeping in perspective client requirements and market direction. As a result, IBM Cloud® Object Storage SDK (Go, Java, and Node.js) v1 reaches end of support on 06 August 2027.
last-updated: 2026-08-12
---

> ## Documentation Index
> The table of contents for this documentation set is at https://cloud.ibm.com/docs/cloud-object-storage?format=markdown
> The index for all IBM Cloud docs is at: https://cloud.ibm.com/docs/llms.txt
> Use these files to discover more information as needed.

# Deprecation of IBM Cloud® Object Storage SDK (Go, Java, and Node.js) V1
{: #deprecation-cos-sdk-v1}

IBM Cloud continues to evaluate its service offerings periodically, keeping in perspective client requirements and market direction. As a result, IBM Cloud® Object Storage SDK (Go, Java, and Node.js) v1 reaches end of support on 06 August 2027.
{: shortdesc}

## Important dates
{: #deprecation-cos-sdk-v1-dates}

| Stage | Date | Description |
|---------------------------|----------------------|----------------------------------------------------|
| End of support | 06 August 2027 | Object Storage SDK (Go, Java, and Node.js) v1 no longer receives updates, security fixes, or new releases after this date. |
{: caption="Important dates" caption-side="top"}

## Deprecation details
{: #deprecation-cos-sdk-v1-details}

-	Support for Object Storage SDK v1 ends on 06 August 2027.
-	After this date, SDK v1 no longer receives updates, security fixes, or new releases.
-	IBM recommends migrating to IBM Cloud Object Storage SDK v2, which provides improved performance, enhanced security, modern APIs, and continued support.

## Next steps for current users
{: #deprecation-cos-sdk-v1-next-steps}

Plan your migration to a supported SDK version before 06 August 2027: migrate from SDK Node.js v1 to [IBM Cloud Object Storage SDK Node.js v2](https://cloud.ibm.com/docs/cloud-object-storage?topic=cloud-object-storage-node-v2&format=markdown), from SDK Go v1 to [IBM Cloud Object Storage SDK Go v2](https://cloud.ibm.com/docs/cloud-object-storage?topic=cloud-object-storage-go-v2&format=markdown), and from SDK Java v1 to [IBM Cloud Object Storage SDK Java v2](https://cloud.ibm.com/docs/cloud-object-storage?topic=cloud-object-storage-java-v2&format=markdown).

## Help
{: #deprecation-cos-sdk-v1-help}

If you have questions, comments, or concerns, you can contact the team through [IBM Cloud Support](https://cloud.ibm.com/unifiedsupport/supportcenter).