Nxsys API Documentation
  1. Introduction
Nxsys API Documentation
  • Introduction
    • Nxsys API Documentation
    • Base URL and Environments
    • Handling Errors
    • Pagination
    • Best Practices
  • Authentication
    • Overview
    • Step 1: Create a Client Application
    • Step 2: Obtain Authorization Code
    • Step 3: Exchange your Authorization Code for an Access Token
    • Step 4: Refresh your Access Token
  • APIs
    • Authentication
      • Construct the Authorization URL
      • Exchange your Authorization Code for an Access Token
    • Candidates
      • Create Candidate
      • Get Candidates
      • Update Candidate
    • VAT Codes
      • Get Default VAT Codes
    • PaymentRate
      • Create Payment Rate
      • Get Payment Rates
      • Get Single Payment Rate
      • Update Payment Rate
    • Timesheet
      • Create Timesheet
      • Get Timesheets
      • Get Single Timesheet
      • Update Timesheet
    • Payslips
      • Get Payslips
  1. Introduction

Nxsys API Documentation

Welcome to the Nxsys API Documentation! Our developer portal at developers.nxsys.tech provides detailed, user-friendly resources to help you effortlessly integrate the advanced capabilities of the Nxsys tax system into your applications with precision and efficiency.
The Nxsys API is designed around REST principles, featuring intuitive, resource-oriented URLs, form-encoded request bodies, JSON-encoded responses, and strict adherence to standard HTTP response codes, authentication protocols, and verbs. This ensures a consistent, reliable, and streamlined development experience.

👋 Getting Started#

To begin using the Nxsys API, you’ll need an active Nxsys account. Don’t have one yet? We’ve got you covered! Contact our team at nxsys.tech/contact-us to get set up quickly and start leveraging our powerful tax system features.
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Base URL and Environments
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