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Customer Support Automation for E-Commerce Brands: Pre-Purchase Questions Answered Before the Cart Is Abandoned

For an online store, the highest-stakes support moment is often the pre-purchase question — a sizing doubt, a stock-availability check, a question about a product detail — arriving right before a shopper would otherwise abandon their cart. Centriu Link’s AI answers these from the store’s own catalog information across WhatsApp, Instagram Direct, Messenger and web chat, with a clear handoff to a person for anything about an order dispute or a return that needs judgment.
Sizing & stock answered
Returns go to a person
Small business owner checking a phone
Built to be checked on the go, not just from a desk.

Why the pre-purchase moment matters so much in e-commerce

A shopper who messages a store with a question — does this come in a larger size, is this back in stock, what is this made of — is often one answer away from completing a purchase or abandoning it entirely. That window is short, and a delayed reply frequently means a lost sale rather than a patient customer who waits. Centriu Link is built to answer exactly that repeatable pre-purchase question immediately, from the store’s own catalog, so the moment of hesitation gets resolved before the shopper moves on.

How the underlying problem shows up before you fix it

A shopper asks about sizing or stock availability late at night and abandons their cart before getting a reply the next morning.

The same product-detail question gets asked repeatedly across different customers, answered inconsistently depending on who replies.

An order-status question gets buried in the same inbox as pre-purchase questions, delaying a reply to a customer who already paid.

A return or exchange request needs a judgment call that a busy support inbox does not have time to give proper attention.

Instagram DMs about a product seen in a post get a slower reply than messages on other channels, because the team is watching one channel at a time.

Why this keeps happening without the right layer

Pre-purchase questions are usually simple and repeatable — answerable directly from the store’s own catalog — but without automation handling that layer, they compete for the same limited attention as order disputes and returns, which genuinely need a person’s judgment. And because e-commerce shoppers browse and message at all hours, a purely human-staffed inbox inevitably misses the moment right before someone would have bought.

How Centriu Link answers the pre-purchase moment

Link’s AI answers catalog questions — sizing, stock, product details — directly from the store’s own registered information, across WhatsApp, Instagram Direct, Messenger and web chat, at whatever hour the shopper is actually deciding. When the question shifts to something needing judgment — a return dispute, an order that arrived damaged — the AI recognizes that boundary and hands the conversation to a person, with the full history attached so the shopper does not have to repeat themselves.

What is actually built today

AI-answered product, sizing and stock questions from the store’s own catalog information.

One unified history per shopper across WhatsApp, Instagram Direct, Messenger and web chat.

Automatic handoff to a person for return disputes or anything needing judgment.

AI-driven scheduling for stores that also handle appointments (fittings, pickups) tied to the real calendar.

A shopper hesitating over a sizing question (illustrative scenario, not a real client)

At 9pm, a shopper messages on Instagram asking whether a jacket runs true to size. The AI answers directly from the store’s catalog sizing information — the shopper completes the purchase minutes later, instead of abandoning the cart to "think about it" and never returning.

A different customer messages the next day on WhatsApp about a damaged item that arrived in their order. The AI recognizes this needs a person’s judgment about a return or replacement and hands the conversation to the support team, with the full order-related context already visible.

By the end of the week, the pre-purchase questions that used to sit unanswered overnight are answered the moment they arrive, and the genuinely judgment-heavy return cases still reach a person with full context.

What changes operationally

The structural change is pre-purchase hesitation resolved immediately, at whatever hour a shopper is actually deciding, with return and dispute judgment calls still reaching a person. What that is worth in reduced cart abandonment depends heavily on a store’s own product mix and traffic patterns — Centriu does not attach a specific figure that would generalize.

When this is not the right fit

A store with very low message volume, where every pre-purchase question is already answered promptly by a small, always-available team, may not yet feel the specific gap this addresses.

A delayed reply vs. an immediate catalog answer

When a pre-purchase question sits unanswered until the next business day, the shopper has usually already moved on. Centriu Link’s approach answers the repeatable catalog question the moment it arrives, at any hour, while still routing return disputes and judgment calls to a person.

Related systems

Main system: Centriu Link.

What it does NOT do

  • Does not make judgment calls on return disputes or damaged-item claims — those are always handed to a person.
  • Does not process refunds or exchanges on its own — it hands off the conversation for a person to decide and act.
  • Does not send unsolicited mass messages — it only responds within an existing conversation.
  • Is not a call center system — it covers WhatsApp, Instagram Direct, Messenger and web chat, not phone calls.

Security and governance

Each store using Centriu Link only sees its own conversations and history — nothing is shared across accounts. Personal data collected through customer conversations is handled under Brazil’s LGPD (Law No. 13,709/2018). Full detail on access control and audit trails lives at /governanca and /iso.

Pricing and contracting

Available by monthly subscription, with tiered plans. Values and terms come from the official pricing table at /precos (Centriu's central source — never restated here).

Frequently asked questions

Can the AI answer sizing or stock questions?

Yes — directly from the store’s own registered catalog information, at any hour.

Does the AI handle return or damage disputes?

No — those need judgment and are handed to a person, with the full conversation history already attached.

Does this work across Instagram, not just WhatsApp?

Yes — WhatsApp, Instagram Direct, Messenger and web chat all feed one unified conversation history per shopper.

Can this reduce cart abandonment?

It answers the pre-purchase questions that often cause hesitation, at any hour — actual impact depends on a store’s own product mix and traffic.

What does Centriu Link cost?

Three paid tiers — Starter, Pro and Max — with no free version; all channels and features are available on every tier.

See how Centriu Link answers e-commerce pre-purchase questions

Reach our commercial team directly, or leave your details below — we'll follow up with guidance for your case.

Sources

  1. Centriu Link — public product page — Centriu, 2026-07-20 · link(primária)
  2. Centriu Link — public factsheet (API, JSON) — Centriu, 2026-07-21 · link
  3. Law No. 13,709/2018 — Brazil’s General Data Protection Law (LGPD) — Presidência da República (Brazil), 2018-08-14 · link

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By · AI-assisted production, with human review