Returnflows offers multiple integrations that let you connect your returns system to the rest of your tech stack – including shipping, warehouse, email marketing, automation and more.
You can activate integrations in a few clicks and streamline your operations.
📦 Types of integrations
We currently support the following integration types:
🏷️ TMS / Label generation
Webshipper
Shipmondo
Homerunner
→ Connect your shipping provider to generate return labels seamlessly.
🏬 WMS / Warehouse systems
SmartPack
Ongoing
PeakWMS
→ Sync return data, statuses and order numbers directly with your warehouse system.
🔁 Automation & Notifications
Slack – Get instant updates about return events
Klaviyo – Trigger flows in your email marketing system
Shopify Flows – Automate actions based on return activity
Webhooks – Send events to your custom backend or ERP
⚙️ How to install an integration
Go to Settings → Integrations
Find the integration you want to use
Click Install or Configure
Follow the steps (API key, login, webhook, etc.)
💡 Example use cases
Notify your Slack team when a return is closed
Sync return numbers with your WMS
Send branded emails via Klaviyo when packages are delivered
Trigger automation in Shopify Flow when a VIP customer returns
❓ FAQ
Are integrations included or extra?
They are included – no extra cost.
Can I use multiple integrations at once?
Yes – combine TMS, WMS, Slack, and more.
Need help setting one up?
Click Details on the integration or reach out to our team.
🙋 Need help?
Not sure which integration fits your setup?
💬 Reach out – we’ll help you choose and configure the right tools.