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Polktab
SaaS & Subscription SystemsCustom quote

Subscription System Integration

Integration of subscription billing functionality using supported payment providers, including recurring payment state and webhook handling where required.

From $100 · 1-4 weeks

Overview

The integration connects your application to a payment provider's subscription features: plans and tiers, checkout, trials, upgrades and downgrades, cancellations and failed payment handling. Webhook events are processed so subscription status in your database stays in sync with the provider, and feature access is tied to the active plan. You receive the implemented integration, test-mode scenarios covering the main lifecycle events, and notes on configuring plans in the provider's dashboard.

Benefits

  • Recurring billing connected to your product

  • Feature access tied to active plans

  • Subscription status kept in sync

  • Lifecycle events tested before launch

What's included

  • Billing integration
  • Tier configuration
  • Access controls
  • Testing

Typical use cases

  • Moving from one-time payments to monthly or annual plans
  • Adding paid tiers to a free web application
  • Manual invoicing that should become automated
  • Subscription status drifting out of sync with the payment provider
  • Introducing trials, upgrades or seat-based pricing

How it works

  1. Plan structure and lifecycle rules defined
  2. Provider setup in test mode
  3. Checkout, webhook and status sync implementation
  4. Plan-based access control in the application
  5. Test-mode scenario testing and go-live checklist

What we need from you

  • An account with your chosen payment provider
  • Plan names, billing periods and feature limits per tier
  • Access to the application codebase and a staging environment

Service FAQ

Integration is possible with established payment providers that offer subscription APIs and webhooks. The provider is chosen by you based on your region and business needs, and its availability for your company is confirmed before work starts.

Related services

Starting from

$100

Typical range: $100 – $1,000

1-4 weeks

Type: Custom quote

Final pricing depends on approved project scope and complexity.

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