Key | Example | When to Use |
---|---|---|
Secret key (API-key) | snd_c69*** | Used to authenticate API requests from your merchant server. Don’t expose this key on a website or embed it in a mobile application. |
Publishable key | pk_snd_3b3*** | Used to authenticate API requests from your app’s client. Can be publicly-accessible in your web or mobile app’s client-side code. |