ByeWhy connects to your Stripe account through the Stripe App Marketplace using OAuth — there is no API key to copy and paste.
| Permission | Why it's needed |
|---|---|
| Read subscriptions | Detect when a subscription is cancelled |
| Read customers | Personalize and deliver the survey email |
| Write subscription metadata | Attach survey results to the subscription |
You can review or revoke access at any time from your Stripe Dashboard under Settings → Apps.