# `zappier-sales-pricing/nats-billing`

**Package:** `zappier-sales-pricing`  
**Source:** `packages/zappier-sales-pricing/src/nats-billing.js`  
**Lines:** 37

## What this module is

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

## Exports

`SUBJECTS`, `billingRequest`

## Types / interfaces / classes

_None extracted._

## Functions

| Name | Parameters | Param types (JSDoc) | Returns | Calls (same file / helpers) |
|------|------------|---------------------|---------|-----------------------------|
| `authz` | `subject` | — | `unknown` | see Call graph |
| `billingRequest` | `subject, payload` | — | `unknown` | see Call graph |

## What it imports / requires

_No imports detected._

## Call graph (identifiers invoked)

`authz`, `fetch`, `replace`, `stringify`, `json`, `billingRequest`, `import`, `connect`, `split`, `request`, `encode`, `parse`, `decode`, `close`

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`.