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Billing Integration
$9.99
Python Stripe billing integration: subscriptions, usage metering, invoicing, and webhook handling. Plug-and-play payment infrastructure for your SaaS. Runs on Python 3.10+ stdlib only.
Subscription lifecycle management (create, upgrade, downgrade, cancel)
Usage-based metering with configurable billing periods
Invoice generation with line items and tax calculation
Webhook handler with signature verification and idempotency
Plan catalog with tiered pricing (free, starter, pro, enterprise)
Proration calculations for mid-cycle plan changes
Customer portal integration points
Retry logic for failed payment attempts
# Initialize billing system
python src/main.py --init
# Process a subscription change
python src/main.py --upgrade --customer acme --plan pro
# Generate an invoice
python src/main.py --invoice --customer acme --period 2026-03
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