Stripe secret or restricted key, in its live or test form. The test form is caught too: it is harmless on its own but reveals an account and usually travels with the live one.
Label: STRIPE_KEY
\b[sr]k_(?:live|test)_[A-Za-z0-9]{24,}\b
STRIPE_SECRET_KEY=sk_test_abcdefghijklmnopqrstuvwx → sk_test_abcdefghijklmnopqrstuvwxUse rk_live_ABCDEFGHIJKLMNOPQRSTUVWX for the webhook. → rk_live_ABCDEFGHIJKLMNOPQRSTUVWXpk_live_abcdefghijklmnopqrstuvwxsk_prod_abcdefghijklmnopqrstuvwxTags: international, secrets, software-dev, ecommerce