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Frequently asked questions

12 questions

What is supastack?

supastack is a modular foundation for building AI-powered SaaS products. It brings together common infrastructure so you can focus on product-specific features.

Does it support web and mobile?

Yes. supastack includes Next.js and Expo apps as starting points for web and mobile experiences.

What authentication is included?

Better Auth covers email/password, OTP, and social sign-in. Personal workspaces are provisioned with the account so product records stay scoped from day one.

How does it support AI?

supastack includes configurable multi-provider AI, usage tracking, budgets, and encrypted bring-your-own-key support.

How are subscriptions handled?

For products built on the kit, Stripe billing, subscriptions, and entitlements form the paid-access foundation. Provider secrets stay server-only.

Where does my product-specific code live?

Product-specific features remain in a separate codebase while the product configures and integrates supastack’s foundation modules.

How does supastack pricing work?

The kit is a one-time purchase with lifetime updates: One Framework at $249 or All Frameworks (Next.js, iOS, Android) at $499, plus $75 per extra developer seat. No kit subscription. Checkout on this site is not connected yet.

How do workspaces scope my data?

User-owned records are scoped by workspaceId. Identity, entitlements, AI usage, billing events, and audit entries stay inside the personal workspace boundary.

How do background jobs work?

Trigger.dev is the explicit job runtime. The JobRunner contract only promises enqueue, status, and cancel—workflow semantics stay Trigger.dev-specific and explicit.

How is email different from outreach?

Transactional email covers product workflows such as completion notices. Cold outreach and campaigns are product concerns outside this kit’s email module.

Can mobile expose Stripe Checkout?

Not yet. Mobile must not present Stripe Checkout until RevenueCat exists. Web can use Stripe for subscriptions and entitlements when billing is configured.

Where do AI provider keys live?

Bring-your-own-key credentials are encrypted and stay server-only. Keys are redacted from logs; usage and budgets remain visible at the workspace level.

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Documentation
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Web / Getting started

Project structure

Find the application, shared packages, and the boundaries between them.

Setup and configuration

The pnpm workspace contains Next.js in apps/web, Expo in apps/mobile, and shared packages under packages. Run workspace commands from the repository root. Application routes compose shared modules; product-specific behavior belongs in the consuming product.

Read AGENTS.md and .ai/PROJECT_CONTEXT.md before changing behavior. File mirrors in .ai/ explain decisions and constraints that may not be apparent from a component alone.

apps/web/app/       Routes and layouts
apps/web/src/       Web components and server composition
apps/mobile/        Expo application
packages/           Shared contracts and adapters
tests/              Cross-module and browser checks
docs/               Operational guides

Implementation workflow

Start with the route that owns the user action, follow its server handler, and then inspect the shared package it calls. A UI component should not recreate workspace resolution, billing authorization, or provider selection.

When adding a route, decide whether it is public or authenticated. Resolve authenticated ownership on the server before accessing user records, and keep server credentials outside client imports.

Verification and troubleshooting

Run the relevant tests and typecheck after changing a package contract. Inspect both web and mobile consumers when changing shared types. A successful web build alone does not establish compatibility with the native app.