European integrations
The next ten European commerce, CRM, marketing, and booking connections.
The European roadmap covers SumUp, Square, Lightspeed, Klaviyo, HubSpot, Pipedrive, Zoho CRM, Mollie, Adyen, and SimplyBook.me.
OAuth is preferred for merchant authorization, signed webhooks for commerce, and direct APIs for profiles and events.
Marketplace publication may still require provider approval even when the API is public.
- 1Provider or stmpr event
- 2OAuth/API/webhook verification
- 3Commerce, CRM, marketing, or booking action
Step by step
- Choose a provider and review the data direction.
- Authorize with OAuth where available or create the narrowest API credential.
- Select the relevant card, location, list, pipeline, or service.
- Subscribe only to final signed events used by stmpr.
- Apply consent rules before marketing transfers.
- Test token revocation, retries, duplicates, refunds, and disconnect cleanup.
Ten-provider roadmap
- SumUp, Square, and Lightspeed for POS
- Klaviyo for real-time loyalty marketing
- HubSpot, Pipedrive, and Zoho for CRM
- Mollie and Adyen for payments
- SimplyBook.me for completed appointment rewards