The Pen.v1 catalogue is opinionated but extendable. If you need an event we don't publish yet, tell us what it should fire on and what you'd use it for. We often ship requested events within a release.
Heads up: this isn't a support request, a bug report, or a sales-call request. It's a one-way suggestion intake. If your event idea fits the canonical schema, we'll add it and let you know when it ships. Otherwise we'll explain why it didn't make the cut.
chargeback.first_response_filed — fires when the issuer's bank acknowledges the rebuttal package.merchant.processor_added — fires when a merchant boards onto an additional PSP after initial signup.routing.policy_overridden — fires when a manual override changes the chosen processor mid-flow.payout.held_for_review — fires when a payout is held by the compliance domain pending review.