OtterStorage
en
EspañolEnglish
Become a Founding Otter
S3 API compatible

S3-compatible object storage: simple, secure and scalable.

S3-compatible. Built for developers, cloud providers and businesses that need performance, transparency and control — without unnecessary complexity or hidden costs.

Start for free View documentation
S3 compatible 99.99% uptime Multi‑region No hidden costs
OtterStorage otter holding a storage bucket
otter@s3 ~
$ aws s3 mb s3://mi-bucket --endpoint-url https://es-mad-1.s3.otterstorage.io
make_bucket: mi-bucket ✓
$ aws s3 cp backup.tar.gz s3://mi-bucket/
upload: ./backup.tar.gz → s3://mi-bucket/backup.tar.gz

Compatible with the tools you already use

AWS CLI MinIO Client Rclone Terraform Restic Velero Kubernetes S3 API AWS CLI MinIO Client Rclone Terraform Restic Kubernetes S3 API
Platform

Everything you need in modern object storage.

The building blocks you expect from S3, with clear operations and pricing that makes sense at a glance.

S3 compatible

The same API, SDKs and tools you already know. Just change the endpoint and you're set.

Transparent pricing

Clear €/GB rates, no surprises on your bill. You pay for what you use.

High performance

Low latency and sustained throughput for demanding workloads.

Multi‑region replication Coming soon

Copies across regions for durability and disaster recovery.

Security from the first byte

Encryption, access keys, policies and immutability (Object Lock).

Scale from GB to PB

Start small and grow without migrations or rethinking your setup.

Why OtterStorage

S3 compatible, but simpler to operate.

AWS S3 is powerful, but not always simple. OtterStorage was born to deliver S3-compatible storage with a clearer experience, more predictable pricing and operations designed for technical teams.

See how it works View pricing
  • No unnecessary complexity

    Buckets, keys and policies in minutes, not days.

  • No hidden costs

    Clear rates for storage, transfer and operations.

  • No new learning curve

    If you know how to use S3, you already know how to use OtterStorage.

  • No need to change your tools

    AWS CLI, rclone, Terraform, Velero, Restic… it all works.

Solutions

For every type of data and team.

Backups and disaster recovery

Immutable copies, retention and reliable restores.

Hosting and cloud providers

Multi‑tenant S3 storage for your customer base.

SaaS and web apps

Assets, uploads and media with an API you already know.

Datasets and AI

Large volumes for training and inference.

Archives and cold storage

Historical data at minimal cost, always accessible.

Private connections available

Send your data outside the public Internet network.
Products

A family of services for every need.

Start with standard buckets and add protection, archiving, global scale or migration whenever you need it.

OtterPool

Standard storage for general-purpose S3 buckets.

OtterVault

Critical storage with retention and immutability.

OtterArchive

Low cost for historical data and archiving.

OtterLake

Massive storage for datasets and AI.

OtterLink Coming soon

Private connection to your buckets via PNI (Private Network Interface).

OtterSync Coming soon

Replication, synchronization and migration across regions.

OtterShield

Access control, encryption, policies and protection.

OtterBridge

Migrate from AWS S3, Wasabi, Backblaze B2 and others.

Pricing

Simple, transparent pricing.

You pay only for storage, based on disk technology. No charge for requests or deletes. No commitment.

HDD

Backups, archiving and cold data.

8 €/TB·mo

0,008 €/GB·mo

  • ✓ The best cost per TB
  • ✓ Backups and archiving
  • ✓ Object Lock available
Get started
Most popular

SSD

Active workloads and production.

16 €/TB·mo

0,016 €/GB·mo

  • ✓ Balanced performance
  • ✓ Ideal for SaaS and apps
  • ✓ No charge for operations
Get started

NVMe

Maximum performance and AI.

45 €/TB·mo

0,045 €/GB·mo

  • ✓ Minimal latency
  • ✓ Datasets and inference
  • ✓ Maximum throughput
Get started
View all pricing
For developers

Built for teams that live in the terminal.

The full S3 API, access keys, policies, lifecycle and immutability. Without reinventing anything.

S3 APIAccess Keys Bucket policiesLifecycle rules VersioningObject Lock LogsMetrics
bash — otterstorage
# Create a bucket pointing to the OtterStorage endpoint
$ aws s3 mb s3://mi-bucket --endpoint-url https://es-mad-1.s3.otterstorage.io
make_bucket: mi-bucket
# Upload your backups
$ aws s3 cp backup.tar.gz s3://mi-bucket/backups/
upload: ./backup.tar.gz → s3://mi-bucket/backups/backup.tar.gz
$ aws s3 ls s3://mi-bucket/backups/
2026-06-11 18:42 124.5 MiB backup.tar.gz
Trust

Clear infrastructure for important data.

Status page

Real-time service status.

SLA

Contractual availability commitment.

Encryption

In transit and at rest.

Replication Coming soon

Durability across regions.

Technical support

Technical people who understand your case.

Operational transparency

Incidents and metrics in plain view.

Early program · only 100 spots

Join the Founding Otters.

We're building OtterStorage alongside our first technical users. Get into the early program and unlock exclusive perks, direct input into the roadmap and special launch conditions.

Early access Launch discount Priority support Influence on the roadmap Assisted migration
Founding spots 29 / 100

71 of 100 spots remaining.

No spam. View the full program →

Frequently asked questions

Everything you need to know.

Is OtterStorage compatible with S3? +
Yes. OtterStorage implements the S3 API, so it works with the SDKs, CLIs and tools of the S3 ecosystem. You just have to point to the OtterStorage endpoint.
Can I use the AWS CLI? +
Of course. Use the same aws s3/aws s3api commands, adding --endpoint-url with your OtterStorage endpoint.
Can I migrate from AWS S3? +
Yes, with OtterBridge and tools like rclone or the AWS CLI itself. We offer migration guides and assisted migration for the Founding Otters.
Which tools are compatible? +
AWS CLI, MinIO Client, rclone, Terraform, Restic, Velero, Kubernetes and any client compatible with the S3 API.
Where is the data stored? +
You choose the region when creating each bucket. We offer multi‑region replication for durability and data sovereignty.
Are there hidden costs? +
No. We publish clear rates for storage, transfer and operations. What you see is what you pay.
Do you offer replication? +
Yes, with OtterSync you can replicate and synchronize objects across regions or providers.
Can I use OtterStorage for backups? +
It's one of the main use cases. With OtterVault you get immutability (Object Lock), retention and replication for critical backups.
Is there support for businesses? +
Yes, with SLA, priority technical support and guidance during migration. Talk to sales.
When will the beta be available? +
We're onboarding our first teams. Join the Founding Otters for early access.

Store smarter. Scale further.

S3 compatible. Built for the future. Get started in minutes.

Start for free View documentation