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 鈥� 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 鈥� 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 */ }); }); })();

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See where your logistics stands on automation Start assessment

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Intelligence
Parth - AI Voice Agents COD order confirmations, NDR recovery AI Carrier Allocation 200B+ data points evaluate the best carrier per order. Apex Identifies and acts on exceptions Ally Agentic support for all channels
D2C Shipping
Multi-Carrier Integrations Branded Tracking Returns & Exchanges Failed Delivery Management Delivery Date Estimates Order Editing Notifications
Specialised Shipping
ClickPost Darwin B2B and bulk shipping Hyperlocal deliveries D2C quick commerce Cross Border Ship eCommerce orders worldwide
Featured
Header Feature Festive Readiness Hub Everything you need to hold delivery promises through peak season. Get ready
Use cases by category
Fashion and lifestyle Beauty and cosmetics Home decor and furniture Health and Wellness Consumer Electronics
Integrations
Carriers 600+ carriers across 30+ countries Storefronts Shopify, Magento, WooCommerce and more WMS/OMS Sync orders and inventory both ways Communication gateways WhatsApp, SMS, email and voice
Tool
ROI Calculator (1) NDR ROI Calculator See what a 40% RTO cut is worth on your monthly volume. Run the numbers
Resources
Blog Deep dives & guides Ebooks & reports Research & benchmarks Assessments Tools to assess your D2C operations Comparisons How ClickPost leads vs alternatives
New report
RTO Playbook (1) 90-Day RTO Reduction Playbook Go from diagnosis to a 25% cut in RTO in 90 days. Get the playbook
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Optimize Shipping Costs with Intelligent Carrier Allocation

ClickPost automates your logistics operations with dynamic AI-driven and rules-based carrier allocation.

G2 - Orange BG 4.8 G2 Rating
22 %
Lower shipping costs
31 %
Faster deliveries
Carrier Allocation Platform - Banner Image

Trusted by 450+ global brands

PUMA - SVG - 50
Oriflame - SVG - 50
Adidas - SVG - 50
Herbalife - SVG - 50
Birkenstock - SVG - 50
Sotheby - SVG - 50
The Body Shop - SVG - 50
  • Pilgrim - Case Study Banner
    ClickPost's AI Allocation automatically routes orders to our best-performing carriers in each region. It's like upgrading from a tricycle to a sports bike.
    anirudhlikhite

    Anirudh Likhite

    SVP Supply Chain and Procurement, Pilgrim

ClickPost eliminates guesswork in ideal
carrier allocation

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Automated carrier allocation

Set your rules or use our AI to optimize allocation and free up resources.

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Carrier performance insights

Move away from manual excel based carrier performance mapping.

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Reduce your RTOs

Choose the right carrier automatically based on multiple parameters and recent data to increase conversions.

Choose the right allocation strategy for your
business

Performance based allocation driven by ClickPost鈥檚 AI algortithm

  • Icon Leverage ClickPost鈥檚 algorithm to analyze millions of shipments.
  • Icon (1) Algorithm selects the best carrier based on speed, SLA adherence, RTO rates, and pricing.
  • Icon (2) Automate decisions and maximize delivery success.
Talk to our experts
Rules based allocation for brands with defined business logic - Banner

Rules based allocation for brands with defined business logic

  • Icon (3) Define custom rules by delivery zone, weight, cost, or COD availability.
  • Icon (4) Prioritize which rules matter to your business, ClickPost applies them in order.
  • fi_487997 Automate carrier allocation to save time and money.
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With ClickPost鈥檚 AI powered allocation,
let data drive smarter decisions

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Predictive last mile TAT

Evaluates carriers on destination-level efficiency, not just origin and transit performance.
Predictive last mile TAT - Mobile
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Simulate before you integrate

Test out different scenarios and adjust parameters to see how they impact your business metrics.
Simulate before you integrate - Mobile
Predictive last mile TAT - Desktop
Simulate before you integrate - Desktop
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Leading carriers, shopfronts, WMS, ERP, OMS

Shopify - Fit
Increff - Fit
SAP
Vinculum - Fit
Shiphero - Fit
Woo Commerce - Fit
Dukaan - Fit
Magento - Fit
Capillary - Fit
UPS - Fit
Delhivery - Fit
Bluedart - Fit
Straight from the blog
Featured How Multi-Carrier Allocation Reduces Shipping Costs & Delays?
12 Mar, 2025 &苍产蝉辫;鈥�&苍产蝉辫; 1 Min Read
Featured Courier Allocation Challenges & How to Solve Them?
12 Mar, 2025 &苍产蝉辫;鈥�&苍产蝉辫; 1 Min Read
Featured Boost Carrier Allocation Efficiency with AI & Machine Learning
14 Mar, 2025 &苍产蝉辫;鈥�&苍产蝉辫; 1 Min Read
All articles
4.8 Ratting Stars - White
4.4 Rating Stars White 4.4

Make Every
Shipment Count

Discover how the most loved brands grow with ClickPost
users-love-us G2 2026 JAN 1 Momentum Leader Jan 2026 1 Highest User Adoption Jan 2026 1 High Performer Mid Market G2 2026 JAN 1

Frequently asked questions

How does ClickPost use AI for Carrier Allocation?

ClickPost uses AI-driven algorithms to analyze multiple factors, such as cost, turnaround times, SLA Adherence for carriers, to recommend the best carrier for each shipment.

Can ClickPost help reduce delivery costs with optimized carrier allocation?

Yes, ClickPost minimizes delivery costs by analyzing carrier rates, service levels, and historical performance to choose the most cost-effective and reliable option for every shipment.

Does ClickPost support multi-carrier allocation for different shipment types?

Yes, ClickPost supports multi-carrier allocation for various shipment types, allowing businesses to allocate carriers differently based on order size, destination, and delivery priority.

Is ClickPost Carrier Allocation customizable to my business needs?

Absolutely. ClickPost offers customizable rules and configurations to align carrier allocation with your specific business requirements and logistics strategy.
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"false" : "true"); }); }); banner.addEventListener("click", function (e) { if (!e.target || !e.target.closest) return; var btn = e.target.closest("[data-cpcb-action]"); if (!btn) return; var action = btn.getAttribute("data-cpcb-action"); if (action === "customise") { expand(); return; } if (action === "accept") { commit({ analytics: true, advertisement: true, functionality: true }, false); return; } if (action === "reject") { commit({ analytics: false, advertisement: false, functionality: false }, true); return; } if (action === "save") { commit(fromToggles(), true); return; } }); var existing = stored(); if (existing) { apply(existing, false); paint(existing); collapse(); } else if (!inScope(banner)) { // Out of the consent-required region: implied consent, banner never shown. commitSilently(); } else { collapse(); show(); } function commitSilently() { var all = { analytics: true, advertisement: true, functionality: true }; writeCookie(COOKIE, JSON.stringify({ analytics: true, advertisement: true, functionality: true, v: 1, ts: Date.now(), implied: true }), days); apply(all, false); } // Public re-open hook for a footer "Cookie settings" link. window.cpCookieBanner = window.cpCookieBanner || {}; window.cpCookieBanner.open = function () { var s = stored() || { analytics: false, advertisement: false, functionality: false }; paint(s); expand(); show(); }; } function boot() { var banners = document.querySelectorAll("[data-cpcb]"); if (!banners.length) return; init(banners[0]); document.addEventListener("click", function (e) { if (!e.target || !e.target.closest) return; var trigger = e.target.closest("[data-cp-cookie-settings]"); if (!trigger) return; e.preventDefault(); if (window.cpCookieBanner && window.cpCookieBanner.open) window.cpCookieBanner.open(); }); } if (document.readyState === "loading") { document.addEventListener("DOMContentLoaded", boot); } else { boot(); } })();