Getting Connected to the P4 Books API

P4 Books Cloud Accounting - API Integration

The P4 Books API allows you to integrate your existing systems with P4 Books. You can use the API to create and retrieve transactions, manage master data, and automate your accounting workflows.

Authentication

To connect to the P4 Books API, you will need an API key. To obtain your API key:

1. Log in to your P4 Books account.

2. Go to Settings > API.

3. Click Generate API Key.

4. Copy and store the key securely — it will only be shown once.

Include your API key in the header of every request:

Authorization: Bearer YOUR_API_KEY

Base URL

All API requests are made to:

https://tenantname.p4books.com/api/v1

Replace tenantname with your organization's tenant name.

Available Endpoints

Master Data

Method	Endpoint	Description
GET	/products	List all products
GET	/customers	List all customers
GET	/vendors	List all vendors
POST	/products	Create a product
POST	/customers	Create a customer
POST	/vendors	Create a vendor

Transactions

Method	Endpoint	Description
GET	/invoices	List all invoices
GET	/purchase-orders	List all purchase orders
GET	/sales-orders	List all sales orders
POST	/invoices	Create an invoice
POST	/purchase-orders	Create a purchase order

Example Request

curl -X GET https://tenantname.p4books.com/api/v1/products \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json"

Example Response

{
  "data": [
    {
      "id": 1,
      "code": "PROD-001",
      "name": "Widget A",
      "price": 25.00,
      "tax_code": "ITBMS",
      "status": "active"
    }
  ],
  "total": 1,
  "page": 1
}

Rate Limits

API requests are limited to 100 requests per minute per API key. If you exceed this limit, you will receive a 429 Too Many Requests response.

For assistance with the API or to request access to additional endpoints, contact P4 Books support or your local distributor.