In this post, you’ll learn more about the Error platform_api_key_expired that is returned when working with the Stripe API
Stripe API Error
platform_api_key_expired
Stripe API Error Description
The API key provided by your Connect platform has expired. This occurs if your platform has either generated a new key or the connected account has been disconnected from the platform. Obtain your current API keys from the Dashboard and update your integration, or reach out to the user and reconnect the account.