How can we help?
Have a question about the ATrigger app or the ATN platform? Browse the topics below or contact us directly — we typically respond within 1–2 business days.
Email support
AudioTN studio
Send us your question and we will get back to you as soon as possible.
ATrigger — mobile app
Questions about the ATrigger iOS or Android app, permissions, or audio encoding.
- Microphone permission not working
- Creator or Receiver mode issues
- Payment token not recognized
- App crashes or freezes
ATN Platform & API
Developer questions about the ATN standard, token generation, or API integration.
- Token registration and validation
- FSK encoding parameters
- HMAC authentication issues
- Domain and payment API
Frequently asked questions
What is ATrigger?
ATrigger is a mobile app that encodes URLs and payment commands into short audio signals, enabling contactless data transfer via sound between devices.
Which platforms are supported?
ATrigger is available for Android. An iOS version is coming soon. The Receiver mode uses the device microphone to decode audio tokens in real time.
Is my data private?
All audio processing happens on-device. No microphone audio is transmitted to our servers. Privacy Policy
How do I report a bug?
Email us at support@atn-network.com with a description of the issue and your device model and OS version.