API Reference

Build on POSystem

Our REST API lets you integrate POSystem with your existing tools and workflows.

Get API Key

Authentication

API keys for server-to-server and OAuth 2.0 for user-level access.

Secure by Default

All endpoints require HTTPS. Data encrypted in transit and at rest.

Rate Limits

1,000 requests per hour for paid plans. Batch endpoints available.

Sample Endpoints

GET/api/productsRetrieve a list of all products.

POST/api/productsCreate a new product.

GET/api/products/:idGet a specific product by ID.

PUT/api/products/:idUpdate an existing product.

DELETE/api/products/:idDelete a product.

GET/api/invoicesRetrieve a list of invoices.

POST/api/invoicesCreate a new invoice.

GET/api/customersRetrieve customer list.

GET/api/stats/dashboardGet dashboard statistics.

View Full API Docs

Authentication

Quick Start

Include your API key in the Authorization header:

curl -H "Authorization: Bearer YOUR_API_KEY" \
  https://api.posystem.com/v1/products

All responses are returned in JSON format with a standard envelope.

Response Format

{
  "success": true,
  "data": {
    "id": "prod_123",
    "name": "Product Name",
    "price": 2999,
    "stock": 42
  },
  "meta": {
    "page": 1,
    "perPage": 20,
    "total": 150
  }
}

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Free 14-day trial. No credit card needed. Cancel anytime.

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API Reference

Build on POSystem

Our REST API lets you integrate POSystem with your existing tools and workflows.

Get API Key

Authentication

API keys for server-to-server and OAuth 2.0 for user-level access.

Secure by Default

All endpoints require HTTPS. Data encrypted in transit and at rest.

Rate Limits

1,000 requests per hour for paid plans. Batch endpoints available.

Sample Endpoints

GET/api/productsRetrieve a list of all products.

POST/api/productsCreate a new product.

GET/api/products/:idGet a specific product by ID.

PUT/api/products/:idUpdate an existing product.

DELETE/api/products/:idDelete a product.

GET/api/invoicesRetrieve a list of invoices.

POST/api/invoicesCreate a new invoice.

GET/api/customersRetrieve customer list.

GET/api/stats/dashboardGet dashboard statistics.

View Full API Docs

Authentication

Quick Start

Include your API key in the Authorization header:

curl -H "Authorization: Bearer YOUR_API_KEY" \
  https://api.posystem.com/v1/products

All responses are returned in JSON format with a standard envelope.

Response Format

{
  "success": true,
  "data": {
    "id": "prod_123",
    "name": "Product Name",
    "price": 2999,
    "stock": 42
  },
  "meta": {
    "page": 1,
    "perPage": 20,
    "total": 150
  }
}

Ready to Transform Your Business?

Join hundreds of businesses already using POSystem. Start your free trial today — no credit card required.

Start Free Trial Talk to Sales

Free 14-day trial. No credit card needed. Cancel anytime.

Start Building Today