Stripe guides

What Stripe’s fields really mean for the customers you are about to lose, worked out while building Gradsey and checked against Stripe’s API. Each one stands on its own; none needs an account.

• Stripe decline codes, in plain English

  What each Stripe decline code means, which ones Stripe never retries, which you must not repeat to the customer, and what to tell them instead.

  Updated 12 October 2026

• Why Stripe isn’t retrying a failed payment

  A next retry date doesn’t mean Stripe will retry. Hard declines never run, 3-D Secure waits on the customer, and here is what happens when retries run out.

  Updated 12 October 2026

• See who cancelled on Stripe but hasn’t left yet

  List every Stripe subscription set to cancel, count the paid days each one has left, and email them while the money can still be saved.

  Updated 12 October 2026

• How to make a read-only Stripe restricted key

  Create a restricted rk_ key in Stripe that can only read, choose its permissions, and see why a tool should never ask for your secret key.

  Updated 12 October 2026