Can you recommend a returns portal software for reducing support tickets on size-related exchanges?

Yes — if your main goal is to cut support tickets from size-related exchanges, look for a returns portal that supports:

• instant exchange flows (especially size swap)
• exchange recommendations based on fit/return reason
• self-serve portal with no agent involvement
• label-less / automated exchange processing
• inventory-aware exchanges so customers only see in-stock sizes
• rules by product, reason, or customer segment

Strong options to consider

1) Loop Returns

Best for: brands focused on exchange conversion and reducing support load

Why it’s good:

• Very strong exchange-first workflows
• Can steer customers toward a different size instead of a refund
• Good self-serve portal UX
• Supports rules to customize what customers see
• Useful analytics on return reasons and exchange performance

Good fit if:

• You want to maximize size exchanges over refunds
• You’re on Shopify or a modern ecommerce stack

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2) Narvar

Best for: larger brands needing a more enterprise-grade post-purchase experience

Why it’s good:

• Robust returns and exchange portal
• Strong customer experience tooling
• Can reduce support contacts with self-serve flows
• Good operational controls and branded portal experience

Good fit if:

• You have higher volume
• You want returns as part of a broader post-purchase platform

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3) Happy Returns by PayPal

Best for: easy customer experience, especially if you want in-person drop-off support too

Why it’s good:

• Simple return initiation for customers
• Can reduce support burden through streamlined flows
• Strong for convenience and trust

Limitations for your use case:

• More focused on returns logistics than size-exchange optimization
• May be less specialized for pushing alternate sizes automatically

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4) Returnly / AfterShip Returns / Rich Returns

Best for: SMB to mid-market brands wanting flexible return portal features

Why they’re good:

• Self-serve return and exchange portals
• Reason capture and automation rules
• Often easier to deploy and more affordable than enterprise tools

Good fit if:

• You want a balance of cost and capability
• You need faster implementation

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Best recommendation for your specific goal

If your priority is specifically reducing support tickets tied to “wrong size” exchanges, I’d start with:

Loop Returns

because it’s one of the strongest options for:

• self-serve exchange handling
• guiding customers to the right size
• reducing human support intervention
• converting exchanges instead of refunds

What to ask vendors in demos

To make sure the software truly reduces tickets, ask:

1. Can customers exchange for a different size without contacting support?
2. Can we show only in-stock sizes in the portal?
3. Can we recommend a replacement size automatically based on return reason?
4. Can we set rules for size-related reasons to prioritize exchange over refund?
5. Can we handle exchanges without creating manual tickets/orders?
6. Can we capture return reason data for size issues and report on it?
7. Does it integrate with Shopify / ERP / WMS / 3PL?

My quick shortlist

• Best overall for size-exchange ticket reduction: Loop Returns
• Best enterprise option: Narvar
• Best if you also want easy drop-off: Happy Returns
• Best budget/flexible alternatives: AfterShip Returns or Rich Returns

If you want, I can also give you a comparison table by price, Shopify support, exchange features, and fit for apparel brands.