Today, APIs are everywhere: from the apps we use every day to the most complex digital services. If you are a developer, software architect, product manager, or CTO, keeping up is not optional. Attending the right events means anticipating trends, learning from those who are already ahead, and networking with people facing the same challenges as you.

We have put together a selection of the 5 most important API events in 2025 that you should mark on your calendar!

1. API World  (USA & Europe)

Where: Santa Clara, CA
When: September 3-5, 2025
Why attend:
Considered the world’s largest event entirely dedicated to APIs, it covers every aspect: from design to monetization, from security to microservices. It includes workshops, hackathons, and vendor-neutral conferences, bringing together C-level executives, product managers, and developers from leading global companies.
Website: https://apiworld.co/

2. APIDAYS

Where: Editions worldwide
When: London September 22-24, 2025, India October 8-9, Australia October 29-30, Amsterdam November 6, Paris December 9-11
Why attend:
A series of conferences with a strong community spirit and a unique variety of topics: from open banking to API governance, digital transformation strategies, and global API ecosystem scenarios. APIDays is the place where developers, leaders, and innovators meet to share knowledge and experiences.
Website: https://www.apidays.global/

3. Platform Summit

Where: Stockholm, Sweden
When: October 13-15, 2025
Why attend:
Organized by Nordic APIs, this is the European reference point for software architects, developers, and managers. The conference focuses on platform architectures, API-based business models, and industry standards. 
Website: https://nordicapis.com/events/platform-summit-2025/ 

4. Kong API Summit

Where: New York, NY, USA
When: October 14-15, 2025
Why attend:
The event focuses on API strategies in a time of major transformation, especially regarding artificial intelligence and autonomous agents. Topics also include API security, large-scale microservices management, and developer experience.
Website: https://konghq.com/events/conferences/api-summit 

5. POST/CON 25 (Postman)

Where: Los Angeles, California
When: June 2026
Why attend:
An event dedicated to the future of APIs and their integration with artificial intelligence. More than 30 sessions divided into four thematic tracks, hands-on workshops, and plenty of networking opportunities. Ideal for those who want to combine technical expertise with strategic vision.
Website: https://www.postman.com/postcon/2025/

Why should you attend at least one of these events?

So, why attend? Because these events are not just conferences: they are idea accelerators. You’ll go home with new skills, a clearer vision of the future of APIs, and contacts that can truly make a difference in your career.