Subscription

Plans, usage, credits, and billing state.

• Get user's credit balance and transactions GET /api/credits
• Check if user has enough credits for a scan GET /api/credits/check
• Get user's invoice history GET /api/invoices
• Get current user's subscription GET /api/subscription
• Cancel pending downgrade POST /api/subscription/cancel-downgrade
• Get detailed subscription info including period GET /api/subscription/details
• Request subscription downgrade POST /api/subscription/downgrade
• Get downgrade status and grace period info GET /api/subscription/downgrade/status
• Export user data before downgrade POST /api/subscription/export
• Download exported data GET /api/subscription/export/download/{export_id}
• Get full subscription and credits info GET /api/subscription/full
• Get current usage metrics GET /api/usage
• Get usage for specific type GET /api/usage/{usage_type}