Update HubSpot when a new invoice is registered in Stripe

This workflow automatically posts a message in Slack when a new invoice is uploaded in Stripe, and it updates the fields in the HubSpot CRM.

Prerequisites

- A Slack account and [credentials](https://docs.n8n.io/integrations/credentials/slack/) - A HubSpot account and [credentials](https://docs.n8n.io/integrations/credentials/hubspot/) - A Stripe account and [credentials](https://docs.n8n.io/integrations/credentials/stripe/)

Nodes

- [Stripe Trigger node](https://docs.n8n.io/integrations/trigger-nodes/n8n-nodes-base.stripetrigger/) triggers the workflow when a new invoice is uploaded. - [IF nodes](https://docs.n8n.io/integrations/core-nodes/n8n-nodes-base.if/) filter the invoices that don't have a PO number and if there is no deal for the PO. - [HubSpot nodes](https://docs.n8n.io/integrations/nodes/n8n-nodes-base.hubspot/) retrieve deals with the specific PO number and update the deal status to 'paid'. - [Slack nodes](https://docs.n8n.io/integrations/nodes/n8n-nodes-base.slack/) post messages about the deals in a Slack channel.