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**Requirements:** Admin role; the restricted key from section 3.

1. In **Integrations**, find the **Payments with Stripe** card (in "Available" state) and click **Connect**.
2. The "Connect Payments with Stripe" modal repeats the help from section 3, so you have it at hand without going back to Stripe.
3. Paste the **restricted key** (`rk_…`) into the field.
4. Click **Connect**.

**Result:** the Platform **verifies the key against Stripe for real** before saving anything. If verification fails, you're told the specific error (section 8) and no credential is saved. If it succeeds, the card switches to **Connected** and the **Card** method is activated by default (section 5).

![“Connect Payments with Stripe” modal with the instruction to create a restricted key under Developers → API Keys in Stripe with write permission on Payment Links, read on Checkout Sessions and write on Webhook Endpoints, the RESTRICTED Stripe Key field, and the Cancel and Connect buttons](/captures/int-stripe-connect-modal.png)