Kerux
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Via API steps and webhooks No app to install: Kerux talks to Stripe's API with HTTP steps and webhooks, set up once.

When a lead pays in Stripe, the sales follow-ups stop

Send a Stripe payment link on LinkedIn. When the lead pays, Stripe's webhook reaches a Kerux step that was waiting for them, the sales messages stop and an onboarding message goes out.

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How it works

  1. You send a payment link

    After Maria says yes.

  2. Stripe reports the payment

    Matched by the email she paid with.

  3. Sales ends, onboarding starts

    No more "just checking in".

An example workflow

  1. A LinkedIn message sends your Stripe payment link.
  2. A Wait for webhook step waits up to 7 days for checkout.session.completed, matched on the customer's email.
  3. Paid: the follow-ups are skipped and a welcome message goes out.
  4. Not paid in 7 days: one friendly reminder.
  5. Still nothing: the owner is told.

What data flows

Stripe sends to Kerux

  • data.object.customer_details.email
  • data.object.amount_total

Set it up

  1. In Kerux, after the message with the link, add a Wait for webhook step: One shared URL + a match rule, matching data.object.customer_details.email to {{email}}, with a 7-day limit.
  2. In Stripe, open Workbench > Webhooks, add a destination with the Kerux URL and pick the checkout.session.completed event.
  3. Click Listen for test event in Kerux and send a test event from Stripe, then pick amount_total or other fields from the sample.
  4. Add the welcome message on received and the reminder on timed out.

Plan limits: Stripe webhooks are included with every Stripe account.

Questions

Does Kerux have a native Stripe integration?

Not a one-click app. Stripe's webhook calls a Kerux step directly, set up once with a URL, with no Zapier and no Stripe key stored in Kerux.

What if the lead pays with another email?

The payment can't be matched to a waiting lead, so nobody continues by mistake: it goes to Tasks for you to assign.

Is the Kerux URL safe to give Stripe?

Keep it private like a password. For anything that moves money, check the payment in Stripe; Kerux only uses the event to change which message a lead gets.

Use it in a campaign

Try Kerux free for 10 days. No card needed.

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