Ecosystem 4hosting · USA

20 tools, one USD invoice,
zero hyperscaler bill shock.

Every tool we host is tested with real US scale-up traffic: B2B SaaS multi-tenant at Series A-C, US scale-ups serving EU customers (Schrems-II-safe data residency), e-commerce with multi-currency US/EU expansion, NYC/SF/Austin agencies with multi-client setups. Primary servers in EU datacentres (Frankfurt/Amsterdam), with NYC POP for US admin access.

B2B SaaS stack

Stack for US B2B SaaS scale-ups at Series A-C — multi-tenant, EU compliance, predictable USD billing.

PostgreSQL 16 + RLS

DB

Multi-tenant DB

Row-level security for tenant isolation, streaming replicas, WAL archiving, PITR. Standard for B2B SaaS in production.

Stripe Connect

Payments

Marketplace payments

US B2B SaaS use Stripe Connect for marketplace and payout models. Webhooks low-latency to NYC POP.

Plaid (compatible)

Fintech

Financial data

We are not Plaid partners — Plaid SDK and webhooks work without modification on our infrastructure.

Keycloak

Auth

SSO + MFA + WebAuthn

Self-hosted identity with SAML/OIDC/WebAuthn. Reduces Auth0/Okta dependency at scale — significant cost savings for Series B+.

Sentry (self-hosted)

Monitoring

Error tracking

Self-hosted on VPS for cost savings vs SaaS. Compatible with all standard Sentry SDKs.

Resend / Postmark

Email

Transactional email

SMTP API for SaaS apps — onboarding, notifications, alerts. CAN-SPAM and GDPR compliant.

EU compliance stack

For US scale-ups with German/French/UK enterprise customers requiring EU data residency. The Schrems-II-safe pattern.

Article 28 DPA

Legal

Data Processing Agreement

Shipped with every account, no add-on. Lists data categories, retention periods, sub-processor management, breach notification timelines.

Standard Contractual Clauses

Legal

SCCs for transfers

EU SCC modules 1 (C-to-C) and 2 (C-to-P) included by default. For US↔EU data transfers post-Schrems II.

EU representative service

Legal

GDPR Art. 27

EU representative service available for US-based controllers with EU data subjects. Required by GDPR Art. 27 for many US scale-ups.

ISO 27001/9001 datacentres

Datacentre

Certified facilities

All EU datacentres (Frankfurt, Amsterdam) have ISO 27001/9001 certifications. We provide certifications copies on request — we are not the cert holder, the facility is.

E-commerce stack

Stack for US e-commerce ops with US-primary and EU-secondary markets. Shopify-adjacent, headless, multi-currency.

WooCommerce + Stripe + PayPal

Store

Most common combo

WooCommerce with Stripe primary, PayPal fallback. Multi-currency USD/EUR/GBP via WooCommerce Multi-Currency.

Shopify Hydrogen (headless)

Headless

Headless storefront

Headless Shopify with Hydrogen React framework hosted on our VPS. Backend stays on Shopify, frontend on our infrastructure with full latency control.

Magento 2 / Adobe Commerce

Enterprise

Enterprise B2C/B2B

For large multi-brand US ops (10k+ SKUs). Dedicated server + Redis + Elasticsearch + Varnish. Standard for US retail going direct-to-consumer in EU.

ShipStation / EasyPost / Shippo

Shipping

Shipping APIs

Real-time shipping rate calculation across UPS/FedEx/USPS, label generation, tracking webhooks. EU expansion supported via DHL/Royal Mail integrations.

TaxJar / Avalara (compatible)

Tax

Sales tax automation

US sales tax across 50 states + EU VAT (OSS) — we host the WordPress/Magento plugins, no partner claim.

Developer stack

What US dev teams use: Node + TypeScript for SaaS, Go for performance APIs, Python for data, Rust for systems.

Node.js 22 LTS

Runtime

JS runtime

Standard for US SaaS startups. PM2 or systemd, Next.js SSR, end-to-end TypeScript via tRPC.

Go

Runtime

Go runtime

Static build, systemd deploy. For low-latency microservices — payment processing, real-time chat.

Python 3.12

Runtime

Python runtime

Gunicorn / uWSGI for Django and FastAPI. Celery + Redis for async tasks, PyTorch for ML.

Rust

Runtime

Systems language

For performance-critical code — image processing, real-time analytics, cryptography.

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