Company Accounting Walkthrough

This guide covers the company-side accounting surface: invoicing, purchase-order billing, reports, trends, and CSV export. Everything here runs in the admin console at /admin.

Audience: operations and accounting staff. For pricing and customer setup see USER-MANAGEMENT.md; for the end-user view see CUSTOMER-PORTAL.md.

Open http://<host>:<port>/admin and sign in. The development credentials are demo / $$$Adm1n### (override with DEMO_ADMIN_USER / DEMO_ADMIN_PASSWORD; the primary account is ADMIN_USER / ADMIN_KEY).

2. Billing identity per customer

Before invoicing, each customer needs a billing type and an email — set on the Customers tab:

Stripe — metered usage is reported to Stripe by the daily billing job.
Purchase order — invoiced manually with a PO number; issued PO invoices get a 30-day due date automatically.

Customers can also carry a prepaid balance (funded from the customer portal). When an invoice is issued and the balance fully covers the billable amount, the balance is drawn down and the invoice goes straight to paid. Partial coverage is left untouched — there are no partial payments.

3. Generate invoices

On the Invoices tab, pick a period (month), optionally narrow to one customer, optionally set a PO number, and click Generate.

Generation rules:

One invoice per customer with usage in the period, grouped by endpoint.
The tier monthly credit is applied; only the remainder is billable.
Regenerating a period replaces drafts (e.g. after late-arriving usage) and skips issued/paid invoices — the result panel lists who was skipped and why.
Invoice ids are INV-<period>-<sequence>, e.g. INV-2026-07-0002.

4. Issue, view, collect

Each row shows status, billing type, totals, and due amount:

Issue (draft → issued) — finalizes the invoice; PO invoices get a due date 30 days out. Balance-covered invoices skip straight to paid.
View — opens the print-ready invoice in a new tab. Use the browser's Print → Save as PDF to produce a PDF for the customer.
Mark paid (issued → paid) — record collection for PO invoices.

Filter the table by customer, period, or status with the filter bar.

5. Reports and trends

The Reports tab answers "who owes what, and how is usage trending?"

Billing report — per-customer calls, gross usage, credits applied, and billable amount for a date range. Filter by customer or billing type (all Stripe customers, all PO customers, or one customer). Summary cards total the selection.
Download CSV — the same rows as billing-report.csv with the active filters, ready for the accounting package.
Usage trend — daily or weekly buckets as a bar chart; hover a bar for exact calls and amount.

The same data is available as JSON/CSV from the API: GET /admin/api/reports/billing?from=…&to=…&customerId=…&billingType=…&format=csv and GET /admin/api/reports/usage-trend?bucket=day|week.

6. System snapshot

The System tab shows integration health (Zapier app directory, version, triggers, creates) and the current period at a glance: calls, billable amount, open invoice count, and open amount.

7. Automated Stripe reporting

A daily job (src/jobs/report-usage.ts, scheduled separately) reports the billable delta of every Stripe-billed customer to Stripe Billing meter events. It is idempotent: a ledger records the cumulative reported cents per customer per period, and only the delta since the last successful run is sent. PO customers are excluded by having no stripeCustomerId.

Environment (.env at the project root):

STRIPE_SECRET_KEY=sk_live_or_test_...
ZAPPIER_DB=/absolute/path/to/zappier.db   # optional

Data notes

Money is integer cents everywhere internally; the UI formats dollars.
All accounting data lives in the SQLite database (zappier.db by default): invoices, invoice_lines, billing_ledger, customers.
The Stripe billing job and the admin console can run from any working directory — all paths resolve from the installation root.

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