# `verae-zapier-middleware/app`

**Package:** `verae-zapier-middleware`  
**Source:** `packages/verae-zapier-middleware/src/app.js`  
**Lines:** 51

## What this module is

Implementation module in `verae-zapier-middleware`. The tables below are extracted from the source (signatures + JSDoc).

## Exports

`createApp`

## Types / interfaces / classes

_None extracted._

## Functions

| Name | Parameters | Param types (JSDoc) | Returns | Calls (same file / helpers) |
|------|------------|---------------------|---------|-----------------------------|
| `createApp` | `options = {}` | — | `import('express').Express` | see Call graph |

## What it imports / requires

- `express`
- `./errors.js`
- `./debug/logger.js`
- `./debug/trace.js`
- `./routes/index.js`
- `./store/db.js`

## Call graph (identifiers invoked)

`createDebugger`, `app`, `import`, `createApp`, `loadStore`, `express`, `disable`, `use`, `json`, `get`, `sendError`, `info`

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`.