Welcome to Expertex Billing API
A comprehensive billing and subscription management microservice for
the Expertex AI platform. Handle payment processing, subscription
management, credit allocation, team billing operations, and
promotional codes with enterprise-grade security and reliability.
💳
Payment Processing
Secure Stripe integration for handling payments, checkout sessions,
and webhooks
📋
Subscription Management
Manage individual and team subscriptions with multiple tiers and
billing cycles
🪙
Credit System
Token-based credit allocation, tracking, and usage history
management
👥
Team Billing
Multi-tenant organization management with isolated billing per team
🎟️
Promo Codes
Flexible promotional code system with percentage and fixed discounts
🔔
Webhooks
Real-time Stripe event processing with signature verification and
idempotency
🔒
Security
JWT authentication, server-side validation, and comprehensive audit
logging
📊
Multi-tenancy
Isolated billing per tenant with team member management and
role-based access