Can we create service ads to sell services like surgeries, dentistry, etc.?

Running into a wall trying to connect Shopify to n8n and could use some eyes on this. Setup: • n8n (self-hosted on Hetzner VPS) • Shopify store • Trying to trigger flows on order/checkout events What’s happening: • Webhook connection failing / credentials not authenticating properly • Getting [paste exact error here] when testing the node What I’ve already tried: • Set up Shopify credentials in n8n • Verified API key/secret • Tested webhook endpoint manually Anyone who’s got Shopify → n8n running stable — what did I miss? Screenshots or a quick flow breakdown would be 🙏 Thanks

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