Storage
Choose the right storage solution for your applications, from object storage to file systems and real-time data pipelines, all managed, scalable, and sovereign.
About Clever Cloud Storage
Clever Cloud’s storage offerings are designed to meet the full range of modern application needs, whether you’re serving web assets, preserving files across deployments, or managing real-time data streams.
All our solutions can be provisioned in seconds, are secure by default, and hosted in European datacenters that respect data sovereignty.
- Object Storage (Cellar): S3-compatible object storage, ideal for unstructured data such as images, videos, backups, and static websites.
- File System Buckets (FS Buckets): Persistent storage accessible via SFTP, mounted directly inside your application folders.
- Apache Pulsar: A real-time messaging and streaming service for distributed architectures.
Each solution integrates seamlessly into your workflows with minimal configuration and maximum reliability.
Our Storage Solutions
Cellar Object Storage
Clever Cloud Cellar: An object storage service that is performant, economical, easy to use, and compatible with the S3 protocol.
See moreFile System Buckets
FS Bucket brings the ability to mount a file system within an application folder for file persistence.
See morePulsar
This is Apache Pulsar as a Service: a distributed pub-sub messaging platform with a very flexible messaging model and an intuitive client API. Clever Cloud…
See moreHow It Works
Each Clever Cloud storage service is designed to integrate easily with your applications and tools.
Instant Provisioning
Whether you use Cellar, FS Buckets, or Pulsar, you can deploy a fully managed service from the Clever Cloud Console or CLI — no manual setup required.
Seamless Integration
Credentials and endpoints are exposed through environment variables, ready to use with AWS SDKs, SFTP clients, or stream consumers.
Automatic Scalability
Storage and throughput scale with your growth. Upload terabyte-scale objects, stream millions of events, or store thousands of small files.
Full Control
All data is hosted in GDPR-compliant European datacenters. You get encryption, access control, versioning, and transparent pricing, with no vendor lock-in.
Why Choose Clever Cloud Storage?
Sovereign and Secure by Design
Your data is hosted in Europe and protected from extraterritorial regulations. Enjoy built-in TLS encryption, access control, and versioning.
Built-in Compatibility
Cellar is fully S3-compatible. FS Buckets support SFTP. Pulsar uses its native API but also supports Kafka, MQTT, and WebSocket. No changes are needed in your existing tools.
Deployment in Seconds
Launch your service instantly from the Console, Clever Tools CLI, API, or Terraform. No waiting, no complex setup.
Transparent, Adaptive Pricing
Pay only for what you use. Pricing adapts to your volume.
Fast, Human Support
Our support team responds in minutes, not days. Reach us via chat or email, we’re here for you.
Use Cases
- Storing and serving media (images, videos, audio)
- Automated backups of applications or databases
- Long-term archiving (logs, datasets, cold storage)
- Migration from Amazon S3 for cost or sovereignty reasons
- Integrating legacy systems via SFTP (e.g. FTP migrations)
- Persisting files across deployments and across multiple instances
- Managing logs, reports, or user-generated content in app folders
- Real-time ingestion of user interactions or server data
- Building event-driven microservices with real-time messaging
- Hosting static websites or documentation (HTML, CSS, JS)
Get Started with Clever Cloud Storage
Start using Clever Cloud storage products today.
FAQ
Can I use Cellar as a drop-in replacement for Amazon S3?
Yes. Cellar is 100% S3-compatible, tools like AWS CLI, SDKs, rclone, and s3cmd work out of the box with a custom endpoint.
How do I persist files across deployments?
Use FS Buckets to mount a persistent folder inside your application. Uploaded or generated files remain available.
Where is my data stored?
All Clever Cloud data is stored in European datacenters compliant with GDPR. You retain full control over your data.
What can I do with Pulsar?
Use it for real-time streaming, microservice communication, task queues, or event ingestion. It supports multiple languages and consumer models.
Can I control who accesses my files?
Yes. Cellar supports ACLs, access policies, pre-signed URLs, and IP-based restrictions.
Do I pay for data egress?
No. There are no egress fees when leaving Clever Cloud. Your data is yours, always.
Is there a free plan?
Yes. Both Cellar and FS Buckets include free plans (100 MB) so you can try them with no commitment.