If you are a Podbean user who pays for closed caption via credit card, this article will help you update the payment card used for automated transcription. To do so: 

1. Find an episode with no closed caption generated yet and click the "Closed Caption: inactive" icon. 

2. Select "Transcribe this episode using automated transcription". 

3. Click the "Transcribe" button. On the next page, you will see a "update your payment card" link. 

4. Click the "update payment card" link, enter the new payment card details and save your changes.

The future payments will be charged on the new card. 

Read more:

Adding Closed Captions to My Podcast Episodes
What is an SRT file? How To Create a closed caption .SRT File?