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If you have already created a Stripe Billing integration for the same Stripe account you don’t have to add another one.

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Prerequisites

Slicker integrates with Stripe via an API key. Creating a Stripe API key requires a Stripe user enough permissions to do so. Stipe user roles that have this permission include Administrator, Super Administrator, and Developer.

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(Option 1: Stripe Marketplace App) Integerate via the Stripe Marketplace

  1. Go to the Slicker App page in the Stripe Marketplace.
  2. Click on the Install button.
  3. Follow the instructions to authorize Slicker to access your Stripe account.
  4. Once authorized, you will be able to use click the Link button in the Slicker app page to link your Stripe account to your Slicker instance.

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(Option 2: API Key) Create credentials

  1. Go to the Stripe dashboard to create a new restricted API key here.
  2. Give the key a name like Slicker.
  3. For permissions select the following:
    • Read on All core resources
    Stripe read permissions on core resources
    • Read on All Connect resources
    Stripe read permissions on connect resources
    • Read on All Reporting resources
    Stripe read permissions on reporting resources
  4. Click the Create key button. If prompted confirm your password. Copy the generated key - we will need it later.

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(Option 2: API Key) Create integration in Slicker

  1. Go to Slicker’s new integration page.
  2. Select Stripe from the list of integrations.
  3. Give the integration a name and description to help you identify it later.
  4. Enter the API key you copied earlier.
  5. Leave Stripe Billing option unchecked. This integration is for syncing payment data only. If you are using Stripe Billing please refer to the Stripe Billing integration guide.
  6. Click the Submit button to create the integration.

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(Optional) Enable real-time webhooks

By default Slicker keeps your data in sync by polling the Stripe API on a schedule. Adding a webhook lets Stripe push payment changes to Slicker the moment they happen, for near real-time recovery tracking.
Webhooks are configured per Stripe account, in that account’s own Stripe Dashboard. They’re optional and can be added at any time after the integration is created.
  1. In your Slicker integration settings, turn on Webhooks and copy the Webhook URL Slicker shows you. This URL is unique to your integration.
  2. In the Stripe Dashboard, go to Developers → Webhooks and click Add endpoint.
  3. Paste the Slicker Webhook URL into the Endpoint URL field.
  4. Under Select events, subscribe to only the events Slicker uses (below). You can pick All events to get started, but on high-volume accounts we recommend selecting just these — Slicker ignores anything else, so extra events are only wasted webhook traffic:
    • Payments — payment_intent.succeeded, payment_intent.payment_failed, payment_intent.processing, payment_intent.requires_action, payment_intent.canceled
  5. Click Add endpoint to save it.
  6. Open the endpoint you just created, reveal its Signing secret (it starts with whsec_), and copy it.
  7. Back in Slicker, paste the signing secret into the Webhook Signing Secret field and save.
Copy the signing secret (whsec_…) — not your API key (sk_/rk_) or the endpoint ID. If you ever rotate the secret in Stripe, update it in Slicker too.
Using Stripe Billing? Follow the webhook steps in the Stripe Billing guide instead — it adds the invoice and subscription events.

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Troubleshooting

On integration creation, Slicker will attempt to connect to Stripe using the provided API key. If the connection fails, you will see an error message like the one below. Please double-check the API key, make sure it has the correct permissions, and try again.
Failed integration creation message