Contact Customer Service
Our team of support professionals are always ready to swiftly handle your enquiries and technical issues. Below you'll find all the ways to reach us, along with current opening hours for each region.
In this article:
Chat With Us
The fastest way to reach us is through the in-app chat. When you are logged in to the Apsis One application, open the messenger by pressing the lightbulb icon in the top right corner, then select "Send us a message".
💡 Tip - The in-app chat connects you directly to our support team and gives us instant access to your account details — making it the quickest route to a resolution.
Opening Hours
Customer Service is available on email, chat, and phone during the following hours.
EU (Nordics)
Channel | Hours | Time zone |
Email & Chat | Monday – Friday: 08:00 – 17:00 | CET |
Phone (all Nordic languages) | Monday – Friday: 09:00 – 14:00 | CET |
ℹ️ Good to know - If you call us outside phone hours, a message will ask you to call us again within phone hours or send us a chat or email and we will get back to you as soon as possible within business hours.
APAC
Channel | Hours | Time zone |
Email, Chat & Phone | Monday – Friday: 09:00 – 18:00 | HKT |
Contact Details
| Details | Hours |
In-app chat | Click the 💡 lightbulb icon in the top right corner of Apsis One, then select Send us a message | Mon–Fri 08:00–17:00 CET |
APAC: supportasia@efficy.com | Mon–Fri 08:00–17:00 CET | |
EU Phone | International: +46 (0)40-24 97 75 Sweden: +46 (0)40-24 97 75 Norway: +47 23 89 64 54 Denmark: +45 70 22 71 75 Finland: +358 (0)942 454 400 | EU Opening Hours: Mon–Fri 09:00–14:00 CET |
APAC Phone | Hong Kong: +852 5804 3550 Singapore: +65 6579 6095 | APAC Opening Hours: Mon–Fri 09:00–18:00 HKT |
What to Include When You Contact Us
To help us resolve your issue as quickly as possible, please include the following information in your message:
Your account name — the Section or account you are working in.
A clear description of the issue — what you expected to happen vs. what actually happened.
Steps to reproduce — if applicable, walk us through how to trigger the issue.
Screenshots or screen recordings — visuals help us understand the problem faster.
Browser and device — especially useful for UI-related issues.
💡 Tip - If your issue relates to a specific email, flow, or segment, include the name or ID so we can locate it in your account right away. You can find it in several different places, but the URL is a good place to start.
Related Resources
Welcome to Apsis One — Overview of the platform and where to get started.
API Troubleshooting — What to check before contacting support about API issues.
Email Authentication & Safe Sending — DKIM, SPF, and DMARC setup guidance.