Any application sending payment links with Chat 2 Pay needs to have an API key authorizing the transaction request. The activation key is generated and presented to you once the Chat 2 Pay configuration is complete. This is the key you'll use to activate your linked applications. All applications use the same activation key.

If my activation key is compromised, what can I do?

You can create a new activation key and delete the compromised key.

How many activation keys can I have for my Chat 2 Pay?

You can have multiple activation keys for the same Chat 2 Pay account. However, you can only use one activation key at a time to authorize a transaction.