Integrate invoicing into your own product
The Mocha QuickBill API lets your application create invoices, manage the products and customers behind them, and email a finished invoice to your customer. Two headers to authenticate, JSON in and JSON out, over plain REST.
Getting Started
Authentication, the REST model, client libraries, ready-to-run code samples and the OpenAPI specification.
Read the guide →
API Docs
Every endpoint with its request fields, example bodies, response payloads and status codes.
Open the reference →
API Information Hub
Authentication methods, security guidelines, the API changelog and the full API catalog in one place.
Visit the hub →What you can build
Products & Services
Create the products and services your invoices bill against, list them a page at a time, or read any single one back by its id.
Customers
Create the customer records your invoices are issued against, with their billing and shipping addresses, then read them back to reuse on an invoice.
Invoices & Payments
Raise invoices from your own application, read them back with their line items and addresses, and record the payments that settle them — in full or in part.
Send an invoice out to your customer over email straight from your backend, with your own recipient list.
Everything you need on one page
Every endpoint in the reference lists its request fields, a runnable sample in your language, and the exact response your integration will get back.
/v1/product-unitsCreate a product-unit
Add a new billable product-unit to your account. Once created, it can be referenced by SKU on any invoice line item.
Body parameters
- namestringRequired
- Display name shown on invoices and in your catalog — e.g.
Light package. - skustringRequired
- Unique identifier you'll reference on line items. Must be unique across your account.
- unit_priceintegerRequired
- Base price in the smallest currency unit (e.g. cents). Line items can override this per invoice.
- currencystring
- ISO 4217 code. Defaults to your account's default currency.
- descriptionstring
- Optional line-item description that appears on invoices under the product name.
curl -X POST \
https://api.mocha.co/v1/product-units \
-H "Authorization: Bearer sk_live_..." \
-H "Content-Type: application/json" \
-d '{
"name": "Light package",
"sku": "pkg_light",
"unit_price": 4900,
"currency": "USD",
"description": "Starter tier — 5 seats"
}'{
"id": "pu_light_pkg",
"name": "Light package",
"sku": "pkg_light",
"unit_price": 4900,
"currency": "USD",
"description": "Starter tier — 5 seats",
"created_at": "2026-08-06T14:32:11Z"
}Need a hand with your integration?
Send us the endpoint you are calling, the request body and the response you received — our team will take it from there.