Cloud Storage

S3 Compatible

Impossible Cloud S3 API for businesses

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IT professionals working in a European data center, emphasizing data sovereignty and security.

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(ex: Photo by

IT professionals working in a European data center, emphasizing data sovereignty and security.

on

(ex: Photo by

IT professionals working in a European data center, emphasizing data sovereignty and security.

on

Achieve Digital Sovereignty with a Predictable, Enterprise-Grade Impossible Cloud S3 API for Businesses

06.09.2025

10

Minutes

Christian Kaul

Founder & COO Impossible Cloud

06.09.2025

06.09.2025

10

Minutes

Christian Kaul

Founder & COO Impossible Cloud

Concerned about non-EU data laws and surprise cloud storage fees? A majority of EU decision-makers now demand European solutions for their critical infrastructure. Discover a practical, enterprise-ready EU alternative that delivers control, compliance, and cost predictability.

Key Takeawys

Impossible Cloud provides a 100% European, GDPR-compliant S3 API for businesses, eliminating exposure to non-EU laws like the CLOUD Act.

The platform features a predictable pricing model with no egress fees or API call costs, ensuring transparent TCO and stable margins for MSPs.

Advanced features like Immutable Object Lock and an "Always-Hot" architecture deliver robust ransomware protection and consistent, high-speed data access without complex tiering.

In today's digital economy, over 72% of European businesses prioritize data sovereignty when choosing cloud providers. Yet, many feel locked into complex pricing models from non-EU companies, exposing them to regulatory risks like the CLOUD Act and unpredictable egress fees. The demand for a sovereign, transparent, and high-performance cloud storage solution has never been higher. Impossible Cloud offers a powerful Impossible Cloud S3 API for businesses, providing a fully GDPR-compliant, European-operated object storage service. It eliminates vendor lock-in and delivers the performance parity required to migrate with confidence, ensuring your data remains secure and under EU control.

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Secure Data Sovereignty by Design

True data sovereignty is a legal reality, not a marketing claim. The US CLOUD Act allows US authorities to access data from US-based providers, even when it is stored in European data centers, creating a direct conflict with GDPR. This legal ambiguity puts your business at risk of non-compliance and fines reaching 4% of annual turnover. Impossible Cloud eliminates this risk entirely.

Our platform is 100% European, operating exclusively in certified EU data centers to keep your data under EU law. We provide country-level geofencing, ensuring your data for regulated industries like financial services never leaves predefined regions. This guarantees full GDPR compliance and avoidance of CLOUD Act exposure. Over 84% of EU organizations are now planning to use sovereign cloud solutions, making this a critical business imperative. This commitment to jurisdictional clarity provides the legal certainty needed for modern enterprise operations.

Unlock Predictable Cloud Economics

Cloud cost complexity is a major pain point for IT leaders, with unexpected egress and API call fees disrupting budgets. Many businesses report savings of up to 60% on storage costs after moving away from models with hidden charges. Impossible Cloud is predictable by design, fundamentally changing your total cost of ownership. We offer a transparent pricing model with zero egress fees, zero API call costs, and no minimum storage duration.

This predictability is a significant advantage for our partners. For Managed Service Providers (MSPs), this model allows for stable, defensible margins on Backup-as-a-Service (BaaS) and archiving solutions. Our growing distribution network, including api in Germany and Northamber plc in the UK, expands local access for hundreds of resellers. This clear economic model, free from financial penalties for accessing your own data, empowers better business planning and removes the risk of vendor lock-in.

Leverage Enterprise-Ready S3 Compatibility

Migrating to a new storage platform should not require rewriting applications or abandoning existing tools. Our Impossible Cloud S3 API for businesses offers full compatibility that protects your past investments. It supports not just basic object operations but also advanced capabilities, ensuring your workflows continue running seamlessly. Developers can reduce application development time by up to 25% with a familiar API.

We employ an "Always-Hot" object storage model, a key differentiator from complex tiering systems. Here’s what that means for your operations:

  • Instant Accessibility: All data is immediately accessible with no restore delays, unlike tiered archives.

  • Operational Simplicity: It eliminates brittle lifecycle policies that can lead to API timeouts and restore failures.

  • Tool Stability: Third-party tools, like our partner NovaBackup, remain stable and predictable.

  • No Surprise Fees: You avoid the hidden restore fees associated with retrieving data from cold storage tiers.

This architecture ensures consistent, low-latency performance for millions of files under any workload. It provides the reliability needed for modern, data-intensive applications.

Implement Robust Ransomware Protection

Ransomware attacks are increasingly targeting backup repositories, with 93% of attacks aiming to disable recovery capabilities. A resilient data protection strategy is essential. Impossible Cloud provides Immutable Storage through S3 Object Lock, creating a WORM (Write-Once-Read-Many) state. This makes your backup data unchangeable, preventing encryption or deletion by malicious actors.

Integrating this feature into your backup strategy enhances resilience significantly. A modern data protection plan should include these steps:

  1. Adopt a 3-2-1 or 4-2-2 Rule: Maintain at least 3 copies of your data on 2 different media, with 1 copy offsite and 1 copy immutable.

  2. Enable Object Lock: Activate immutability on your critical backup buckets for a defined retention period.

  3. Automate Backups: Use S3-compatible tools to automate regular backups to your immutable storage.

  4. Test Your Recovery Plan: Regularly perform test restores to ensure you can recover data quickly after an incident.

Organizations using S3 for backup have reduced recovery times by up to 50%. Our immutable backups provide an attack-proof recovery path, ensuring business continuity.

Prepare for 2025 EU Regulatory Frameworks

The European regulatory landscape is evolving, and your infrastructure must be ready. Two key regulations taking full effect from September 2025 directly impact cloud storage. Impossible Cloud is designed to meet these future requirements today, turning regulatory readiness into a competitive advantage for your business.

First, the EU Data Act mandates data portability and interoperability by design. It requires providers to remove all barriers to switching, including eliminating data egress charges by January 2027. Our model already offers zero egress fees and uses open standards, proving a real exit path. Second, the NIS-2 Directive requires continuous security processes and supply-chain assurance for critical infrastructure. Our platform bakes in these principles, with multi-layer encryption, IAM with MFA/RBAC, and documented incident reporting timelines. This proactive alignment with upcoming EU laws ensures your enterprise-grade object storage is future-proof.

Streamline Operations with a Partner-Ready Platform

Our platform is built to empower our partners, including MSPs, resellers, and system integrators. The partner console provides a first-class user experience for multi-tenant management without requiring deep API expertise. You can manage hundreds of clients efficiently through a single interface. Key features include role-based access control (RBAC), multi-factor authentication (MFA), and detailed reporting.

Automation is simple via our fully compatible API and CLI, allowing for fast onboarding and integration into existing management systems. This focus on operational efficiency allows partners to deliver high-value services with predictable margins. By removing the technical and economic barriers common with other providers, we help our partners grow their business. Take the next step and see how our S3 compatibility benefits your organization. Talk to an expert to get a personalized demo.

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Impossible Cloud is your European alternative for S3-compatible object storage. Data resides in GDPR-compliant, certified EU data centers; Object Lock and versioning protect against ransomware. Transparent pricing with no egress or API fees. Perfect for backup, archive, and disaster recovery.

Impossible Cloud is your European alternative for S3-compatible object storage. Data resides in GDPR-compliant, certified EU data centers; Object Lock and versioning protect against ransomware. Transparent pricing with no egress or API fees. Perfect for backup, archive, and disaster recovery.

Impossible Cloud is your European alternative for S3-compatible object storage. Data resides in GDPR-compliant, certified EU data centers; Object Lock and versioning protect against ransomware. Transparent pricing with no egress or API fees. Perfect for backup, archive, and disaster recovery.