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Async API Calls for Integrations: Performance & Scalability

Learn how async API calls boost performance and scalability in SaaS integrations — including real-world use cases and best practices from Maesn's API experts.

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Dr. Themo Voswinckel

March 30, 2026

How to master async API calls in minutes

In this webinar you will learn

  • How async API calls improve performance and scalability
  • Real-world use cases for async processing
  • Best practices for implementing async workflows in your SaaS integrations
  • Insider tips from Maesn’s API experts

Solving High-Volume Data Processing with Asynchronous APIs

Processing high volumes of data efficiently is a challenge for many SaaS companies. Asynchronous API operations provide a way to handle requests without waiting for immediate responses—keeping workflows moving smoothly and efficiently.


In this webinar, our API engineer Michelle Pepe breaks down how async workflows power key endpoints like POST /expense and POST /journalEntries.

About the author

Themo is CEO and Co-Founder of Maesn. With years in strategy consulting — spanning requirements engineering for complex software landscapes, ERP and accounting software selections, and end-to-end integration projects — he holds a Dr.-Ing. with a focus on ERP-to-SaaS transformation. He co-founded Maesn to make system integration effortless.

Dr. Themo Voswinckel

Co-Founder

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