# `zappier/ledger`

**Package:** `zappier`  
**Source:** `packages/zappier/src/ledger.ts`  
**Lines:** 51

## What this module is

Implementation module in `zappier`. The tables below are extracted from the source (signatures + JSDoc).

## Exports

`PrepaidRow`, `booksConfigured`, `ledgerAdjust`, `ledgerStatement`

## Types / interfaces / classes

| Kind | Name |
|------|------|
| type | `PrepaidRow` |

## Functions

| Name | Parameters | Param types (JSDoc) | Returns | Calls (same file / helpers) |
|------|------------|---------------------|---------|-----------------------------|
| `booksUrl` | `(none)` | — | `unknown` | see Call graph |
| `booksConfigured` | `(none)` | — | `unknown` | see Call graph |
| `ledgerAdjust` | `row: PrepaidRow, plane: AccessPlane` | — | `unknown` | see Call graph |
| `ledgerStatement` | `customerId: string, plane: AccessPlane, veraeUserId?: string` | — | `unknown` | see Call graph |

## Methods (class / object)

| Name | Parameters |
|------|------------|
| `return` | `process.env.ACCOUNT_BALANCE_URL || ''` |
| `return` | `await r.json(` |

## What it imports / requires

- `./billing-nats`

## Call graph (identifiers invoked)

`booksUrl`, `replace`, `booksConfigured`, `ledgerAdjust`, `natsAdjust`, `fetch`, `stringify`, `json`, `ledgerStatement`, `natsStatement`, `encodeURIComponent`

Each identifier is a call site in this file. Follow the import list to see the defining module; open that module’s MD for parameter and return types.

## Return values (how to read this)

- HTTP route handlers return Express `res.json(...)` bodies (see route docs).
- Zapier `perform` functions return a **single object** (creates) or an **array** (triggers/searches).
- Pricing functions return integer **cents** on `Quote.totalCents`.