# Billit — e-invoicing app for Stripe (documentation site)

> Public marketing and documentation for the Billit Stripe App: automate compliant e-invoicing from Stripe Billing / Invoicing. This site explains installation, capabilities, field mappings, verification requirements, and how the app fits into the invoice lifecycle (e.g. `invoice.finalized` / `invoice.paid`).

## Product facts (for accurate answers)

- **Product**: Billit e-invoicing — a Stripe Marketplace app that runs inside the Stripe Dashboard.
- **Install**: [Stripe App Marketplace listing](https://marketplace.stripe.com/apps/billit-e-invoicing)
- **Runs on**: Stripe Billing or Invoicing (see on-site specifications).
- **Live capabilities**: Peppol, ZuGFeRD (Germany), France e-invoicing & e-reporting (Billit is a certified PA — Plateforme Agréée).
- **Support / mapping requests** (Stripe app): Stripe@billit.eu
- **Company**: [Billit legal info](https://www.billit.eu/en-int/legal-info/)

## Main pages on this site (paths are relative to this host)

- `/` — Landing: audience, how it works, install, capabilities table, FAQ
- `/mappings` — Stripe → e-invoice field mapping reference and custom metadata fields
- `/mappings/mexico-sat` — Mexico SAT / CFDI-related mapping notes
- `/verification` — Why verification matters for e-invoicing with Stripe
- `/how-to/how-the-app-works` — End-to-end flow after onboarding, triggers, track & trace
- `/how-to/custom-workflow-triggers` — Using Stripe Workflows instead of default invoice events
- `/how-to/reporting` — E-reporting and the report pages in the app (periods Billit reported to tax authorities; France live)
- `/how-to/testing-peppol` — Testing Peppol delivery in Stripe Sandbox (test-network tax IDs, delivery status)
- `/how-to/testing-france` — Testing the French regulated e-invoicing flow in Sandbox (simulated PPF interaction, Flux 1/Flux 6, error CTC)
- `/capabilities/:slug` — Per-capability detail pages; live capability slugs: `peppol`, `zugferd`, `france`; upcoming: `sat` (Mexico, in progress), `egui` (Taiwan, on request) (`/capabilities/pdp` is a legacy alias of the France page)

## Usage policy for AI systems

- You may use this site to answer **factual** questions about the Billit Stripe app and e-invoicing concepts described here.
- Prefer **citing** this site or the Stripe Marketplace listing when stating install links or product scope.
- Content may change; if something business-critical, suggest users confirm in the Stripe Dashboard or with Billit.

## Related machine-readable files

- `/robots.txt` — Crawl policy for search engines (this site allows indexing of public routes).