S3-Compatible API
Object Storage Buckets
Durable, infinitely scalable storage for assets, backups, and media. Accessible via REST API, SDKs, or CLI with enterprise-grade security and global edge caching.
CloudNexus CLI
CLI
REST
Python
Go
cnx$ buckets create --name app-assets --region us-east-1 --versioning on
✓ Bucket "app-assets" created successfully
Endpoint: s3.us-east-1.cloudnexus.io/app-assets
Note: Default encryption (AES-256) is enabled
cnx$ buckets ls --region all
REGION NAME SIZE CREATED
us-east-1 app-assets 142 GB 2h ago
eu-west-1 media-backups 1.2 TB 1d ago
Built for Modern Workloads
11-Nines Durability
Data is automatically replicated across multiple fault domains to ensure 99.999999999% durability.
Versioning & Lifecycle
Track object history and automate transitions to archive tiers based on retention policies.
Cross-Region Replication
Seamlessly replicate objects across regions for disaster recovery and compliance requirements.
Access Control & Encryption
Granular IAM policies, bucket policies, and server-side encryption (SSE-S3, SSE-KMS, SSE-C).
Technical Specifications
| Specification | Details |
|---|---|
| API Compatibility | 100% S3-Compatible (REST v2) |
| Max Object Size | 5 TB (Multi-part upload supported) |
| Durability | 99.999999999% (11 nines) |
| Availability | 99.99% (Standard) / 99.95% (Archive) |
| Encryption | AES-256, KMS Integration, Customer-Managed Keys |
| Max Bucket Name Length | 63 characters |
| Concurrent Requests | Unlimited (throttled per bucket for consistency) |
Storage Tiers
Standard
For frequently accessed data, app assets, and active workloads.
$0.021/GB/mo
✓ Low-latency access
✓ No retrieval fees
✓ 99.99% availability
✓ Automatic versioning
Recommended
Infrequent Access
Lower storage cost for data accessed less than once per month.
$0.012/GB/mo
✓ ~3x cheaper than standard
✓ Instant retrieval
✓ 99.9% availability
✓ Lifecycle automation
Archive
Long-term backup, compliance, and cold storage.
$0.004/GB/mo
✓ Lowest cost per TB
✓ 1-hour standard retrieval
✓ 99.95% durability
✓ WORM compliance ready
Frequently Asked Questions
Is CloudNexus Buckets fully S3 compatible?
Yes. Our storage API is 100% compatible with the Amazon S3 API v2. This means you can use existing AWS SDKs, CLI tools, and third-party integrations without modifying your code.
How is data encrypted at rest?
All objects are automatically encrypted with AES-256 at rest. You can also use CloudNexus KMS for custom key management or bring your own keys (BYOK) for enhanced security control.
Are there limits on bucket size or number of objects?
Buckets can store an unlimited number of objects with up to 5TB per individual object (using multi-part uploads). There are no hard caps on total bucket size.
Can I transfer data from AWS S3 or Azure Blob?
Absolutely. We provide a native migration tool and support rsync/cp commands over S3-compatible endpoints. Most teams complete migrations in under 2 hours.
Ready to Store at Scale?
Get started with $200 in free storage credits. No credit card required for trial accounts.