Agency Client Portal & Billing Platform | Vibe96

Productivity & Collaboration

Agency Client Portal & Billing Platform

Source code included

Self-hosted white-label client portal for agencies to sell services, run projects, and collect payments

Built by MD. Rakibuzzaman Updated 22 Oct 2026 62,025 lines of code

Open live demo Built withClaude Code

Why Agency Client Portal & Billing Platform

What makes it better
than the alternatives

  1. 01

    Single-tenant architecture

    Each agency gets its own isolated deployment with full source code and database control

  2. 02

    Pay-to-unlock deliverables

    Clients approve proofs with revision limits, then pay to download final files without watermarks

  3. 03

    Reply-by-email threading

    Every project discussion and deliverable comment thread accepts replies via IMAP, parsed and attached to the correct context

  4. 04

    Retainer request queues

    Clients submit work requests that staff pull from a queue, tracked against monthly hours or credits

  5. 05

    Productized service checkout

    Self-serve storefront with add-ons, order bumps, and automatic project creation on payment

Service Catalog & Checkout

  • Public storefront (/shop) with service cards
  • detail pages
  • and cart drawer
  • One-time and recurring pricing monthly/quarterly/yearly subscriptions)
  • Add-ons
  • order bumps
  • promo codes with percentage/fixed discounts and expiry dates
  • Stripe and PayPal checkout with automatic payment capture
  • Custom proposals with line items
  • e-signature collection
  • and PDF export
  • Magic-link login for returning clients (no password required)
  • Automatic project creation and onboarding trigger on successful payment

Client Onboarding

  • Drag-and-drop form builder with 9 field types (text
  • textarea
  • select
  • multi-select
  • radio
  • checkbox
  • date
  • file upload
  • heading)
  • Conditional logic and field validation rules
  • Guided welcome checklist with custom steps and completion tracking
  • Encrypted credentials vault for storing API keys
  • logins
  • and sensitive data (AES-256-GCM)
  • Automatic welcome email with portal access link
  • Client profile with contacts
  • billing address
  • and custom fields

Project Management

  • Kanban board and list views with drag-and-drop task reordering
  • Task assignments
  • due dates
  • priority levels
  • and time tracking
  • Milestone roadmap with progress visualization
  • Retainer request queues (clients submit requests
  • staff pull and work them)
  • Internal 'whisper' notes visible only to agency team
  • File attachments on tasks and projects (stored in MinIO private bucket)
  • Activity feed showing all project events and updates
  • Client-facing and internal-only task visibility controls

Deliverable Proofing

  • Upload deliverables with revision limits and approval workflow
  • Embedded preview for images
  • videos (YouTube/Vimeo)
  • PDFs
  • and external links
  • Client approval/rejection with feedback comments
  • Automatic watermark overlay on preview files (removed after payment)
  • Pay-to-unlock final files (invoice generated on approval
  • download enabled after payment)
  • Revision counter and approval history log
  • Email notifications on upload
  • approval
  • and rejection

Invoicing & Payments

  • Invoice builder with line items
  • tax rates
  • deposits
  • and partial payments
  • Stripe and PayPal integration with automatic payment capture and webhook handling
  • Bank transfer with proof-of-payment upload and manual approval
  • Recurring retainer billing with automatic monthly invoice generation
  • PDF invoice and receipt generation with custom branding
  • Payment reminders (3 days
  • 7 days
  • 14 days overdue) via BullMQ jobs
  • Invoice status tracking (draft
  • sent
  • paid
  • overdue
  • cancelled)
  • Client payment history and outstanding balance dashboard

Communication

  • Threaded comments on projects
  • tasks
  • and deliverables
  • @mentions with email notifications
  • Reply-by-email via IMAP (parsed and attached to correct thread using token in reply-to address)
  • Internal whisper notes (visible only to agency team)
  • Smart digest emails (daily/weekly summaries of activity)
  • Markdown support in comments with file attachments
  • Real-time updates via Server-Sent Events (Redis pub/sub)
  • Configurable notification preferences per user

Team & Permissions

  • Three roles: Owner (full access)
  • Staff (project work
  • no billing/settings)
  • Client (view own projects only)
  • Team member invites via email with magic-link or password setup
  • Workload dashboard showing active projects and task assignments per team member
  • Time tracking on tasks with manual entry and reporting
  • Activity log showing all user actions (audit trail)
  • User status management (active/disabled)
  • Permission checks enforced in auth.policy.ts for every action

Growth Tools

  • Review collector with smart routing (sends request after project completion)
  • Client referral program with unique referral codes and commission tracking
  • Revenue dashboard with charts (monthly recurring revenue
  • one-time sales
  • payment trends)
  • Client lifetime value and project profitability reports
  • Promo code usage analytics
  • Email open/click tracking (via Nodemailer SMTP)

White-Label Branding

  • Custom logo
  • favicon
  • and brand color (applied to UI and emails)
  • Login screen background image and custom headline/subheadline
  • Sender name and email address for all outgoing emails
  • Custom sidebar links (e.g.
  • link to agency website
  • help docs)
  • Light/dark mode toggle with system preference detection
  • Custom domain support (configured via Caddy reverse proxy)
  • PDF invoice branding (logo
  • colors
  • footer text)

Settings & Configuration

  • Payment gateway setup (Stripe/PayPal test and live modes with API key validation)
  • SMTP configuration for outgoing emails (host
  • port
  • auth
  • sender address)
  • IMAP configuration for reply-by-email (host
  • port
  • username
  • password
  • folder polling)
  • Tax rate configuration (percentage
  • label
  • default on/off)
  • Portal customization (name
  • tagline
  • login screen text
  • sidebar links)
  • Email template editor (welcome
  • invoice
  • reminder
  • digest)
  • Notification preferences (email frequency
  • digest schedule)
  • Demo mode toggle (blocks all mutations with 'this is a demo' dialog)

Quality report

Manually reviewed

86/ 100

Automated audit score

✓ Approved by our review team

Listed after manual review.
Audit run: 19 Oct 2026
Reviewed by Vibe96 staff, Dubai.

Security85
Code structure78
Docs & completeness100
Dependency health85
Build & deploy92
Reviewer notes (5 minor)

Small improvements the developer has been told about. None of them stop the software from working.

Versions & updates

1.0.0
First release22 Oct 2026✓ Reviewed & audited

No updates yet. New versions appear here with a changelog.
Buyers receive updates free for 1 year.

Quality report

What you get

  • </>Full source codeThe complete audited source, delivered as a download from your account. No obfuscation.
  • ▤DocumentationSetup guide, architecture notes, CLAUDE.md and AGENTS.md.
  • ↻One year of updatesEvery new version the builder publishes, free for 12 months.
  • ♧30 days of supportInstallation and defect support through Vibe96 tickets.
$89Single-site licence Details