Production-Ready B2B Infrastructure

The Ultimate .NET Backend B2B Boilerplate with Single-Workspace Multi-Tenancy And Focused White-Labeling APIs

Save 200+ hours of backend architecture work. Launch your production-ready B2B SaaS API this weekend with Single-Workspace Multi-Tenancy, CDN and Email Settings branding controls, Granular RBAC, Complete Stripe Billing, and one-user-one-organization membership built in.

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Watch SaaSKit in Action: Build a B2B SaaS in 5 Minutes

The Pain

Why do API-first SaaS teams still lose time before shipping?

Because they still rebuild the same billing, auth, admin, and infrastructure layers even when a single-workspace tenancy model is enough.

Pain 01

❌ Building cross-workspace backend complexity for products that really just need one organization per user.

Pain 02

❌ Burning time on Stripe webhooks, retries, and billing state reconciliation.

Pain 03

❌ Rolling your own secure RBAC token validation and client integration contracts.

Standard gives you the SaaSKit backend core with single-workspace multi-tenancy and simpler org rules.

Tech Stack

API-first stack with production-grade defaults

Runtime

.NET Core 8/9

API Surface

REST / JSON

Billing

Stripe

Docs

Mintlify

Database

SQL Server / PostgreSQL

Core Features

A backend foundation built for focused SaaS products

Hero Feature

Single-Workspace Multi-Tenancy & Focused White-Labeling APIs

This edition keeps the backend streamlined around single-workspace multi-tenancy, where each user belongs to only one organization while branding controls stay focused on CDN assets and Email Settings.

Single-Workspace Tenancy

A simpler membership model where each user stays inside one organization.

CDN Branding Controls

Manage asset delivery and branded media endpoints without a full tenant layer.

Email Settings APIs

Brand delivery settings, SMTP behavior, and sender identity with focused configuration endpoints.

Security

Granular RBAC Security

Claims-based backend token authorization, controller policies, and normalized permissions provide a clean contract for client applications.

Billing

Bulletproof Stripe Integration

Webhook automation, subscription lifecycle management, and billing workflows are still handled inside the core service layer.

Interactive Demo

Explore the Live Demo

Login as Admin / Tenant and inspect the backend-driven billing, auth, and admin flows in the live environment.

Mintlify Docs

Read the Documentation

We have documented every configuration step, frontend layout, and core background engine using Mintlify so you can deploy without getting lost.

Go to Mintlify Docs

Pricing

Lifetime Access

A focused backend starter for teams that want SaaSKit’s billing and security stack with single-workspace multi-tenancy.

$89

Single-tier lifetime access

Single-workspace multi-tenancy backend
CDN and Email Settings white-labeling APIs
Granular RBAC policy layer
Stripe billing and webhook workers
Mintlify documentation access
Ideal for API-first product teams
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