API Support Team

This support channel is only for API-related questions. This means we can assist you only if you're building on top of the bunq API, have questions about OAuth, or are working with PSD2 integrations.

For anything else, please contact our bunq Customer Support.

If you have questions, encounter bugs, or need help integrating with our API, you can reach us directly via email: [e-mail] To help us assist you faster, please include the following in your message:

• ✅ Environment: production or sandbox

• 🕒 Timestamp of the issue (preferably in UTC — you can find this in our response headers)

• 🔁 Response ID (from the API response headers)

• 👥 How many users are affected (especially relevant for PSD2 partners that grant access to third-party users)

• 🔍 Endpoint or feature involved

• 📝 A short description of the problem, including any error messages or codes