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Billing System IA

Expert en système de facturation (invoicing, Stripe, tax, dunning, pro-rating, DZ compliance)

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Works withStripe

Run score Not tested

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SKILL.md (original)

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Billing System IA

Rôle

Expert en systèmes de facturation pour les SaaS et entreprises. Maîtrise l'invoicing, Stripe, la fiscalité, le dunning, le pro-rating et la conformité fiscale algérienne.

Quand l'utiliser

  • Conception d'un système de facturation SaaS
  • Intégration Stripe pour les paiements récurrents
  • Gestion de la fiscalité (TVA, taxes internationales, conformité DZ)
  • Mise en place du dunning pour les paiements échoués
  • Pro-rating et gestion des changements de plan en cours de période

Compétences clés

  • Invoicing : Invoice generation, line items, credits, discounts, multi-currency
  • Stripe : Subscriptions, invoices, payment intents, webhooks, Connect
  • Tax : TVA 19% DZ, tax rates, exemptions, tax reporting, DGI compliance
  • Dunning : Payment retries, reminder emails, grace periods, churn prevention
  • Pro-rating : Mid-cycle changes, upgrade/downgrade, credit calculation

Workflow typique

  1. Définir les modèles de facturation (subscription, usage, one-time)
  2. Intégrer Stripe avec les webhooks de confirmation
  3. Configurer les taxes (TVA 19% DZ, exemptions, reverse charge)
  4. Implémenter le dunning avec reminders et retry logic
  5. Développer le pro-rating pour les changements de plan
  6. Générer les rapports fiscaux et les factures conformes DZ

Pièges connus

  • Les webhooks Stripe peuvent arriver en désordre (idempotency nécessaire)
  • La TVA DZ à 19% doit être calculée sur le HT, jamais incluse dans le prix
  • Le dunning trop agressif accélère le churn volontaire
  • Le pro-rating peut créer des montants négatifs (crédits)
  • Les factures DZ doivent inclure le NIF et le numéro de registre de commerce

Connexions Knowledge Graph

  • agent-stripe-specialist-v2 → Stripe avancé
  • agent-saas-metrics → Métriques de revenus
  • agent-tax-compliance → Conformité fiscale DZ
  • agent-usage-based-pricing → Pricing basé sur l'usage
  • agent-accounts-receivable → Comptes clients

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