AkibUllah

AkibUllah/saas-subscription-billing

A recurring billing engine for SaaS products: plans with seats and metered add-ons, trials, coupons, mid-cycle changes with exact proration, period invoicing with VAT, card dunning, signed webhooks and MRR/churn metrics, all driven by an injectable clock so any month can be billed and replayed deter

1 good first / help-wanted issue · Python · last activity Oct 25, 2026

alembic billing dunning fastapi invoicing mrr proration python saas sqlalchemy subscriptions
1 Open Issue Need Help Last updated: Oct 25, 2026

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enhancement good first issue roadmap
AkibUllah/saas-subscription-billing
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A recurring billing engine for SaaS products: plans with seats and metered add-ons, trials, coupons, mid-cycle changes with exact proration, period invoicing with VAT, card dunning, signed webhooks and MRR/churn metrics, all driven by an injectable clock so any month can be billed and replayed deter

Python
#alembic#billing#dunning#fastapi#invoicing#mrr#proration#python#saas#sqlalchemy#subscriptions