# `zappier-account-balance/server`

**Package:** `zappier-account-balance`  
**Source:** `packages/zappier-account-balance/src/server.js`  
**Lines:** 101

## What this module is

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

## Exports

_No named `export` / `module.exports` keys detected._

## Types / interfaces / classes

_None extracted._

## Functions

| Name | Parameters | Param types (JSDoc) | Returns | Calls (same file / helpers) |
|------|------------|---------------------|---------|-----------------------------|
| `apply` | `subject, payload` | — | `unknown` | see Call graph |
| `startNats` | `(none)` | — | `unknown` | see Call graph |
| `readBody` | `req` | — | `unknown` | see Call graph |
| `reply` | `sub, fn` | — | `unknown` | see Call graph |
| `json` | `code, obj` | — | `unknown` | see Call graph |

## Methods (class / object)

| Name | Parameters |
|------|------------|
| `saveFrom` | `books` |
| `reply` | `nc.subscribe(SUBJECTS.STATEMENT_GET, { queue: SUBJECTS.QUEUE }` |
| `reply` | `nc.subscribe(SUBJECTS.BALANCE_GET, { queue: SUBJECTS.QUEUE }` |
| `reply` | `nc.subscribe(SUBJECTS.BALANCE_ADJUST, { queue: SUBJECTS.QUEUE }` |

## What it imports / requires

- `node:http`
- `./books.js`
- `./subjects.js`
- `./persist.js`

## Call graph (identifiers invoked)

`loadInto`, `apply`, `handle`, `saveFrom`, `startNats`, `import`, `connect`, `split`, `async`, `parse`, `decode`, `fn`, `respond`, `encode`, `stringify`, `reply`, `subscribe`, `write`, `readBody`, `on`, `push`, `resolve`, `concat`, `toString`, `createServer`, `writeHead`, `end`, `json`, `match`, `statement`, `listen`

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`.