and runs during HTML parse, but hubspotutk is set by js.hs-analytics.net, measured loading at ~834ms. On a first visit the cookie does not exist yet, so a single read returns nothing and the visitor gets no external ID at all — and a first visit is exactly what an ad click is. So poll briefly until HubSpot sets it. The SDK loads lazily (~4.5s) and replays a queue, so an init queued a second or two in still lands before any events are transmitted. */ (function attachExternalId() { var attempts = 0; var MAX_ATTEMPTS = 40; /* 40 x 200ms = 8s, then give up quietly */ var timer = null; function tryAttach() { var raw = getExternalId(); if (!raw) { if (++attempts >= MAX_ATTEMPTS && timer) clearInterval(timer); return; } if (timer) clearInterval(timer); sha256Hex(raw).then(function (hash) { oaiq("init", { user: { external_id_sha256: hash } }); }).catch(function () {}); } tryAttach(); /* returning visitor: immediate */ if (!getExternalId()) timer = setInterval(tryAttach, 200); })(); /* --------------------------------------------------------------------------- 2. Load the SDK off the critical path Whichever comes first: the main thread going idle after load, or the first sign of real user intent. No preconnect on purpose — a TLS handshake during LCP for a script we deliberately deferred is a net loss. Measured on clickpost.ai: load event 3614ms, SDK fetched 4508ms. ------------------------------------------------------------------------ */ var loaded = false; var INTENT = ["pointerdown", "keydown", "scroll"]; function loadSdk() { if (loaded) return; loaded = true; INTENT.forEach(function (t) { removeEventListener(t, loadSdk, { passive: true }); }); var s = document.createElement("script"); s.src = SDK; s.async = true; s.fetchPriority = "low"; document.head.appendChild(s); } INTENT.forEach(function (t) { addEventListener(t, loadSdk, { passive: true, once: true }); }); addEventListener("load", function () { window.requestIdleCallback ? requestIdleCallback(loadSdk, { timeout: 2500 }) : setTimeout(loadSdk, 1500); }, { once: true }); /* --------------------------------------------------------------------------- 3. Conversion id sha256(lowercase(email) + "|" + formId + "|" + ISO-hour), first 20 hex, "lead_" prefix. - email lowercased/trimmed so casing does not fork the id - formId keeps two different forms in the same hour from colliding - the hour bucket is only the server's fallback; the id computed here is sent to the relay verbatim, so the two paths cannot disagree even when a submit straddles an hour boundary Ads Manager's own sample omits event_id. We send it so the pixel event and the relay event collapse into one conversion instead of counting twice. ------------------------------------------------------------------------ */ function buildEventId(email, formId) { var seed = [ String(email || "").trim().toLowerCase(), String(formId || ""), new Date().toISOString().slice(0, 13) ].join("|"); return crypto.subtle.digest("SHA-256", new TextEncoder().encode(seed)).then(function (buf) { var hex = Array.prototype.map.call(new Uint8Array(buf), function (b) { return b.toString(16).padStart(2, "0"); }).join(""); return "lead_" + hex.slice(0, 20); }); } /* Guards a re-fire from the history.pushState that book-a-demo-core.js runs after submit, and from back-navigation onto the same state. */ function firedOnce(id) { try { if (sessionStorage.getItem("oaiq_" + id)) return true; sessionStorage.setItem("oaiq_" + id, "1"); return false; } catch (e) { return false; /* private mode / blocked storage: fire rather than lose it */ } } /* Path 2. keepalive lets the request finish even if the page navigates away. Failures are swallowed deliberately: a reporting call must never surface an error to someone who just submitted a form. The relay hashes the email server-side into user.emails_sha256 and adds the caller's IP and user agent, so this event carries the same match signals the pixel gets for free. */ function sendToRelay(email, formId, eventType, eventId) { try { var payload = { token: RELAY_TOKEN, email: email, form_id: formId || "", event_type: eventType, event_id: eventId, /* verbatim, so both paths always match */ source_url: location.href }; var oppref = getOppref(); if (oppref) payload.oppref = oppref; var externalId = getExternalId(); if (externalId) payload.external_id = externalId; fetch(RELAY_URL, { method: "POST", keepalive: true, headers: { "Content-Type": "application/json" }, body: JSON.stringify(payload) }).catch(function () {}); } catch (e) {} } /* Capture the email while the form is still on the page. onFormSubmitted does not reliably carry submissionValues, and by then the form may be removed. */ var lastEmail = ""; document.addEventListener("submit", function (e) { var f = e.target; if (!f || !f.querySelector) return; var i = f.querySelector('input[name="email"], input[type="email"]'); if (i && i.value) lastEmail = i.value; }, true); /* Every HubSpot form on the site reports through this one message event, so no module or theme JS needs editing to add coverage. */ window.addEventListener("message", function (e) { var d = e.data; if (!d || d.type !== "hsFormCallback" || d.eventName !== "onFormSubmitted") return; var email = (d.data && d.data.submissionValues && d.data.submissionValues.email) || lastEmail; if (!email) return; /* without an email there is no stable id to dedupe on */ var eventType = EVENT_BY_FORM[d.id] || EVENT_DEFAULT; buildEventId(email, d.id).then(function (id) { if (firedOnce(id)) return; oaiq("measure", eventType, { type: DATA_TYPE }, { event_id: id }); /* path 1 */ sendToRelay(email, d.id, eventType, id); /* path 2 */ }); }); })();

91ÊÓƵ

Assess Your Post-Purchase Brand Readiness Start Assessment

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Post-Purchase Experience
Order Editing Self-serve order edits Branded Tracking Reduces WISMO by 60% Returns & Exchanges Self-serve returns portal Returns Protection Protect every shipment
Featured
Experience ClickPost Experience ClickPost Explore order edits, tracking, and returns in a live demo See how it works
By Team
CX & Support Fewer tickets, faster resolutions Ecommerce Ops Automate carrier and returns ops Retention & Growth Post-purchase that drives repeat sales
Industry
Fashion & Apparel Turn returns into exchanges Beauty & Cosmetics Faster delivery for high-repeat brands Health & Wellness Compliant, on-time shipping Consumer Electronics Secure, tracked high-value orders Sports & Fitness Reliable delivery at scale Home & Decor Bulky and B2B shipping made simple
GoPure Beauty GoPure Beauty How GOPURE cut return processing time by 50% and eliminated manual returns - by switching to ClickPost Read the story
Integrations
Carriers 700+ carriers API Ecommerce Platforms Shopify, Magento & more WMS/OMS Warehouse & order systems Communication Gateways SMS and email
Everything You Ship on One API Everything You Ship on One API Wire ClickPost into your carriers, storefront, OMS/WMS/ERP and messaging. Browse integrations
Resources
Blog Deep dives & guides Ecommerce Tools Free Tools, Real Results ROI Calculator Do the Math on Growth Assessment Know Where You Stand Ebooks Playbooks Worth Downloading
Post-purchase fit assessment Post-purchase fit assessment Which post-purchase gaps are quietly costing you the most? Start the assessment
India US
Book a demo
Post-purchase for US fashion brands

Post-Purchase, Built for How Fashion Brands Sell

Give fashion and apparel shoppers branded tracking and simple exchanges that recover revenue. Reduce return losses and WISMO tickets with ClickPost.

Book a free demo
See how it works
Fashion & Apparel - Banner

Trusted by 450+ global brands

EXPLORE THE PLATFORM

How ClickPost works
for fashion post-purchase
Why fashion is different

Why fashion is different

The highest return rates in retail, and every one lands on your margin.
Returns WISMO Fit issues
See the numbers
Four pillars of post-purchase

Four pillars of post-purchase

Branded tracking, exchange-first returns, delivery visibility, and analytics.
Tracking Exchanges Analytics
Explore capabilities
Revenue levers

Revenue levers

Order editing, returns protection, and post-purchase upsell.
Order edits Upsell Protection
See revenue moves

WHY FASHION IS DIFFERENT

Fashion loses more revenue after
checkout than any other category
Shoppers cannot feel the fabric or judge the fit from a product page, so they bracket sizes and send back what does not work

Fit sends it back

Sizing is the top return reason in apparel and footwear. When the medium runs small, most brands hand back a refund and lose the customer and the sale in one step.

Peak and drops spike WISMO

Fashion runs on launches, restocks, and holiday. Each one floods support with "where is my order" tickets, right when your team has the least room.
20–40%
of online apparel orders are returned, versus a retail average near 19%
56%
of all ecommerce returns come from clothing alone
20–65%
of an item's value gets eaten by processing a single return
82%
of shoppers say easy returns decide where they buy

Return-rate benchmarks from National Retail Federation, Statista, and Shopify category research

HOW CLICKPOST HELPS

Own the whole journey from
doorstep to the way back
ClickPost runs tracking, returns, exchanges, and carrier decisions from one platform, so every post-purchase moment works for retention instead of against it

Keep shoppers on your brand, not the carrier's site

Proactive updates by email and SMS at every milestone, plus a branded tracking page that looks like your store. Fewer "where is my order" tickets during drops and peak.
  • Mobile-first branded tracking page
  • Milestone alerts by email, SMS, and push
  • Estimated delivery dates that set expectations

Use case

A DTC fashion brand sends proactive SMS at every milestone, keeping shoppers on a branded page instead of the carrier site during a drop launch.

Business impact

Up to 60% lower WISMO queries and higher post-purchase engagement on the brand's own domain.
Frame 2147228189 (1)

Turn a return into an exchange before the refund happens

Guide shoppers to a new size or style first, with rules that route straight to exchange instead of a refund whenever it makes sense.
  • Self-serve returns portal in your brand
  • Exchange-first rules by category and reason
  • Instant store credit and exchange labels

Use case

A footwear brand defaults every size-related return to an exchange flow, prompting a new size before a refund is offered.

Business impact

Higher exchange-to-refund ratio keeps revenue in the business instead of leaving as a refund.
Frame 2147228189

See every shipment across every carrier in one view

One dashboard for exceptions, delays, and carrier performance, so support and ops catch problems before shoppers do.
  • Unified shipment view across all carriers
  • Exception alerts before shoppers notice
  • Carrier performance scorecards

Use case

Ops sets an automated alert for any shipment stuck in transit for more than 48 hours during peak season.

Business impact

Fewer escalations reach support because delays get caught and resolved earlier.
Frame 2147228190

Know exactly where post-purchase revenue is won and lost

Track WISMO volume, return rates, and exchange conversion by SKU, so the next merchandising decision is backed by data.
  • Return and exchange rate by SKU
  • WISMO ticket trends over time
  • Exportable dashboards for merchandising

Use case

A merchandising team pulls return-rate-by-SKU data weekly to catch a sizing issue before the next reorder.

Business impact

Faster feedback loop from returns data into buying and sizing decisions.
Frame 2147228191
BEYOND TRACKING AND RETURNS

Keep more of every order, and grow it.

Beauty shoppers reorder, subscribe, and keep opening the order page. ClickPost adds three revenue moves built for exactly that behavior.

BEFORE IT SHIPS · ORDER EDITING

Let shoppers fix the order before the box leaves

Customers edit variant, quantity, and address themselves from the order page, inside a window you set, so a mistake gets fixed instead of turning into a return.
  • Self-serve size, variant, and address edits
  • Address validation pre-dispatch
  • Merchant-set edit window with 3PL sync
30% fewer order-change tickets
PROTECT REVENUE · RETURNS PROTECTION

Stop wardrobing and serial returns from eating margin

ClickPost segments high-risk shoppers and applies eligibility rules by customer, region, or SKU, so a generous policy rewards good customers without funding abuse.
  • AI segments serial returners
  • Eligibility enforcement by customer or SKU
  • Package protection for lost or damaged orders
30% of returns revenue protected
GROW AOV · POST-PURCHASE UPSELL

Sell the rest of the outfit while attention is high

ClickPost surfaces AI-picked recommendations on tracking and order pages and inside the returns flow, so a size swap becomes a bigger basket.
  • AI recommendations on tracking pages
  • Complementary items during returns flow
  • Upsell revenue that lifts AOV
+AOV from post-purchase recommendations

GETTING STARTED

Live on ClickPost without rebuilding your stack

div.cp-roi__hvis (21)

Connect your store and carriers

Plug ClickPost into Shopify or your commerce platform and link your US carriers through a single API.
div.cp-roi__hvis (22)

Brand tracking and returns

Match the tracking page, returns portal, and notifications to your look and voice. Set exchange rules once.
div.cp-roi__hvis (23)

Watch WISMO and refunds drop

Proactive updates cut support load and exchange prompts hold revenue. Analytics show what is working.
THE LEADER IN POST-PURCHASE

Powering 600+ leading retail brands

From the first tracking scan to the final return, ClickPost powers everything that happens after checkout.

  • BG

    We’ve been using Clickpost and it’s genuinely been super helpful. The post-purchase upsells have been a solid bonus for incremental revenue.

    Samarth Sindhi
    Samarth Sindhi
    Chief Executive Officer, MarsGHC
  • Birkenstock - Testimonial Image

    ClickPost’s team were experts in their systems and integrated seamlessly with ours. They proactively resolved every issue, ensuring a smooth experience.

    Sonali Das
    Sonali Das
    D2C Tech and Product Head, Birkenstock
  • VanillaPura - BG

    Great experience and fantastic support from ClickPost. This immediately cut our top post-purchase support tickets, making ROI easy to quantify. Plus, the customization features and upsell tools help increase AOV. Highly recommend.

    Paul Fulton
    Paul Fulton
    VanillaPura
  • GOPURE - Slider BG

    ClickPost helped us create a return experience that fit our business instead of forcing us to fit the platform. They customized our workflows without additional costs or developer support. The automation they built for our returns, freed up 5 hours a week.

    Sandy Vangyi
    Sandy Vangyi
    Director of CX, GOPURE
Proof & recognition

Rated 4.8 on G2. Named a Leader in returns. Enterprise-grade security.

users-love-us G2 2026 JAN 1
Momentum Leader Jan 2026 1
Users Most Likely To Recommend - G2
m5_badge_high_performer
Enterprise-grade certifications
ISO 27001 SOC 2 Type II GDPR Compliant CCPA Compliant
4.8 Ratting Stars - White
4.4 Rating Stars White 4.4

Turn Size-and-Fit Returns Into Your
Next Sale

Fashion brands keep the sale when a size is wrong and keep shoppers on-brand while they wait. Book a 30-minute demo on your own numbers.
Book a demo
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