Protecting your API keys: What you need to know

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At GetResponse, we’re always working to improve your experience and keep your data secure. One important area of focus is API keys—powerful tools that let you integrate your apps and services seamlessly. But did you know that mishandling API keys can expose your account to significant risks? Here’s what you need to know.

The Problem: Why API key security matters

Imagine this: someone gains unauthorized access to your app, even just once. If your API keys are fully visible, that single breach could give an attacker ongoing access to critical functions in your app—essentially opening the door for them to come and go as they please.

This is why secure API key management is so important. A few small changes can make a big difference in keeping your data and integrations safe.

The Solution: Best practices for API key management

Here are some simple but effective steps we’re recommending to ensure your API keys stay secure:

1. Show API keys only once when an API key is generated, it should only be shown to you at that moment. If you lose it, you should generate a new one. This prevents anyone—authorized or not—from retrieving the key later.

2. Mask keys in the dashboard you’ve probably seen this before with credit cards or passwords: instead of showing the full API key, only the first and last few characters are displayed. For example: xy***************************12 This way, you can confirm which key you’re looking at without exposing the full value.

3. Treat keys like passwords API keys are as sensitive as passwords and should be handled the same way. This means encrypting them and ensuring that even internal systems can’t easily access the full key.

What this means for you

We’re adopting these practices to ensure your API keys are managed securely. Here’s what you can expect:

1. When you generate a key: You’ll see the full API key once. After that, it will be masked, and we’ll remind you to store it securely.

2. Using your keys: If you ever need to check your keys, you’ll only see a masked version. If you lose the key, no problem—you can easily generate a new one.

3. Peace of mind: These changes mean even if someone gains unauthorized access to your account, they won’t be able to exploit your API keys.

A note about security at GetResponse

We know that growth and innovation thrive on trust, and trust is built on security. By making these updates to how API keys are handled, we’re taking another step to ensure your data stays safe.

Stay tuned for more updates as we continue to enhance your experience and security. Questions or feedback? Our support team is here to help.

The GetResponse Security Team


Monika Żygadło
Monika Żygadło
Meet Monika Żygadło, Chief Security Officer at GetResponse. With extensive experience in cybersecurity, Monika leads initiatives to protect company assets and customer data while ensuring compliance with global standards like GDPR and PCI DSS. She specializes in secure software development, vulnerability management, and fostering a culture of security awareness. Passionate about aligning security with business growth, Monika regularly shares her insights through workshops and industry events.
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