The Call+ Sandbox API Developer Hub

Welcome to the Call+ Sandbox API developer hub. You'll find comprehensive guides and documentation to help you start working with the Call+ Sandbox API as quickly as possible, as well as support if you get stuck. Let's jump right in!

Automate Call+ Simulations for Your Clients

Integrate real-time stock options plan calculations into your platform. Accurate Belgian tax computations, instant PDF reports, zero manual work.

Instant Results

Run a complete Call+ simulation in real time.

📄

Client-Ready Reports

Generate official PDF reports in French or Dutch, ready to be sent directly to your clients.

Always Accurate

Belgian tax rates and regulations built in. No spreadsheet errors, no outdated formulas.

Two API Calls. That's It.

Embed Call+ simulations directly into your accounting software.

1

Request a Simulation

Send data related to the company, the beneficiary and the Call+ plan via POST /simulations, and receive the full calculation results.

2

Download the PDF

Call GET /simulations/{id}/pdf to generate an official PDF report for the beneficiary

3

Deliver to Your Client

The generated report can be delivered directly to your client.

Ready to Integrate?

Contact us to get your API key and start building.

Contact [email protected]