The Modern Payroll API Platform

One API for your Global Payroll

Run payroll on demand and file taxes across every country
with better accuracy than ever before.

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Who We Serve

Built for every payroll innovator

HCM & HRIS Platforms: Add seamless, global payroll capabilities to your platform with one integration.

EORs & Global Payroll Services: Automate back-office payroll ops to improve accuracy, SLAs and margin.

Embedded Payroll Providers: Go to market faster and scale across countries without building costly payroll logic in-house.

How it Works

Payroll Simplified

With APIs, connect once and scale everywhere.

Connect via API

Plug into our sandbox to test workflows

Setup organization

Create and map organizations and employees

Run payroll anytime

Run payroll confidently as often as needed, with no extra cost

File taxes easily

Regulatory tasks are automatically handled in the background

Payroll Features

Global Payroll, built API first

Fast, accurate, and fully automated.

Gross-to-Net Calculations

Instantly calculate accurate net pay from gross salary with all applicable deductions.

Filing & Reporting

Auto-generate and submit required tax forms that update with changing regulations.

Automated Payslips

Generate payment instructions and payslips with API calls.

Accounting Sync

Automatically create journal entries, synced to your ERP.

The Problem

Global payroll wasn't built for scale

Legacy solutions rely on spreadsheets, manual calculations, and fragmented local vendors resulting in delays, high error rates, and low flexibility.

15%
Error Rates
>10
Fragmented local vendors
2
Week Long Processing Times
53%
Orgs Fined on Compliance
Why Intermezzo

Better payroll, built on better fundamentals

Intermezzo's modern platform uses AI to fully automate global payroll and compliance in a single easy-to-integrate API.

Accuracy at Lower Cost

Automation eliminates errors, overhead, and per-country vendor fees.

One API, Global Scale

Expand countries without adding new vendors. One integration, infinite reach.

Fast and Flexible

Run payroll any time, not on someone else’s deadline.

Always Compliant

No more tracking local law changes. Our software does that for you.

Compare Rates

Try Our Payroll Calculators

Input Information
Calculate employee payroll deductions & employer costs
Employee Details
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Results
The results are shown here once you fill up the form and click "Calculate Payroll"
Total Employer Costs
Employer Pension
£0.00
Employer NI
£0.00
Apprenticeship Levy
£0.00
Deductions
Tax
£0.00
National Insurance
£0.00
Student Loan
£0.00
Postgraduate Loan
£0.00
Total Employee Costs
Gross Pay
£0.00
Employee Pension
£0.00
Net Pay
£0.00
Input Information
Calculate employee payroll deductions & employer costs
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Results
The results are shown here once you fill up the form and click "Calculate Payroll"
Gross Income
£0.00
Total Employer Cost
£0.00
Net Income
£0.00
Additional Costs
£0.00
Total Deductions
£0.00
Employee Deductions
Income Tax
£0.00
Solidarity Tax
£0.00
Church Tax
£0.00
Pension Insurance
£0.00
Health Insurance
£0.00
Long-term Care Insurance
£0.00
Unemployment Insurance
£0.00
Employer Contributions
Pension Insurance
£0.00
Health Insurance
£0.00
Long-term Care Insurance
£0.00
Unemployment Insurance
£0.00
Sick Pay Levy (U1)
£0.00
Maternity Pay Levy (U2)
£0.00
Insolvency Insurance Levy
£0.00
Get Started

Developer Docs

Integrate with our easy to use API platform to manage your global payroll processing and tax filing.