Brief Pack Library / Invoicing Software

Invoicing Software Brief Pack for Therapists

Everything your AI build tool needs to build a invoicing software for therapists. 14 files. $9.

Built for mental health professionals managing appointments, notes, and billing.

What this pack defines

Database · 7 tables

  • · clients
  • · invoices
  • · line_items
  • · payments
  • · expenses
  • · tax_rates
  • · insurance_claims

48 columns · 6 foreign keys

Roles · 3

  • · Therapist
  • · Admin
  • · Billing Staff

Key sections

  • · Invoice builder
  • · Payment tracking
  • · Expense logging
  • · Tax calculation
  • · Client portal

Monetization

Freemium

Free / Pro $15/mo

Authentication

Therapist login + HIPAA-compliant client portal

Integrations

  • · Stripe
  • · Insurance API

Brief pack contents

14 files. 7 tables, 48 columns, 3 roles, 53 test cases.

File
Contents tailored for this pack
01-GLOBAL-BRIEF.md
Master spec covering product, monetization, journey
02-DESIGN-SYSTEM.md
Tokens, typography, components
03-CONSTRAINTS.md
What the AI must NOT change
04-DATABASE-SCHEMA.sql
7 tables, 48 columns, 6 FKs (clients, invoices, line_items…)
05-RLS-POLICIES.sql
Row-level security for 3 roles
06-AUTH-STATE-MACHINE.md
Therapist login + HIPAA-compliant client portal
07-RBAC-MATRIX.md
Therapist · Admin · Billing Staff
08-API-CONTRACTS.md
Endpoint shapes, request/response schemas
09-BILLING-LOGIC.md
Freemium — Free / Pro $15/mo
10-WEBHOOK-HANDLING.md
Idempotency, retry, failure logging
11-AUDIT-LOG.md
What's tracked, retention, who can see it
12-TEST-USERS-SEED.md
53 test cases, seed data (e.g. therapist@test.com)
13-INTEGRATIONS.md
Stripe, Insurance API
14-LEGAL-PAGES.md
Privacy, Terms, Refund, Shipping templates

Without BriefKit

200+ iterations

$100+ in build-tool credits, 4–8 weeks, design drift between screens.

With BriefKit

~19 prompts

$9 + one month of your build tool. Spec-locked from prompt 1.

Generate your invoicing software brief pack

Start from this preset. Customize in the builder. Export when your strength score hits 8+.

Generate your invoicing software brief pack →

FAQ