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 */ }); }); })();

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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
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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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ClickPost vs. ShipStation

ClickPost Unlocks Multicarrier Shipping Efficiency—Reduce WISMO, Boost Brand Affinity, and Deliver a Seamless Post-Purchase Experience.

Trusted by 450+ global brands

A Quick Comparison Between ClickPost and ShipStation:

End-to-End Shipping Automation Orchestrates end-to-end shipping with robust integrations, bulk automation, and cost-optimized delivery 1 2
ROI-driven Branded Tracking Complete customization support, white labeling, domain masking, customer feedback, language localization 1 2
Precision-Driven Delivery Date Management Custom-built models, EDD modified acc. to shipping speed and delivery types 1 3
EDD Breach Detection and Resolution Automatically detects breaches, revises, the date, updates on tracking portal 1 3
Flexible EDD Placement Embed EDD into product description page, checkout page, tracking page, etc. 1 2
Multi-Carrier Integration 500+ carrier integrations, diverse carrier options, universal API for integration 1  2
Seamless Label Creation Generate shipping labels in bulk, custom label generation 1 1
Intelligent Carrier Selection Automated carrier selection based on performance, price, and business goals 1 3
Smart Rate Comparison Interface Compares rates, automatically selects the most cost-effective shipping option 1 1
Built-in Negotiated Carrier Rates Aggregates rates from multiple carriers for pre-negotiated charges 3 1
Post-Purchase Communication Suite Offers multiple notification channels, milestone-based alerts, shipping delay prompts 1 2
Dynamic Customer Notification Rules Pre-built templates, language localization, additional customizations 1 2
Smart Product Recommendation Personalized product recommendation on the tracking page for cross-selling and incremental revenue 2 2
Easy Order Management Allows easy order creation, modification, cancellation, cross-system data synchronization 1 1
Real-Time Tracking End-to-end tracking using both webhook and API updates within 60-120 mins 1 2
Custom Carrier Integration Support Supports global carriers and partners, integrations completed in a day 1 2
Optimized Returns Policy Logic Advanced hyperconfigurality to return and exchange policies and automated refund mechanism 1 1
SKU-Level Exception Configurations Configure SKU exceptions from returns/exchange flow with complete modification 1 2
Returns to Exchange Conversion Admin Controlled Return-to-exchange for ad-hoc use cases and operational requirements 1 3
Personalized Exchange Enablement Seamless return to exchange conversion on the dashboard, personalized exchange nudges 1 2
Conditional Exchange Order Release Hold exchange fulfillment until returned item enters shipping process 1 2
Full Catalog Exchange Options Site-wide exchanges, reconciling price difference in the same flow, granular catalog configs 1 3
Refund Automation Control Triggers refunds at designated milestones, offers gift-card and store-credit, tracks refund status 1 3
Delivery Serviceability Verification Verifies address, checks serviceability and operational hours based on Pick-up and drop-off 1 2
Intelligent Order Routing Sends orders to the right location, choosing the best carrier 1 2
Streamlined Address Verification Dedicated API for address verification, auto-review, and postal code detection 3 1
Logistics Reporting and Performance Analytics Delivers logistics insights, including carrier performance, notifications, and SLA data 1 2
Proactive Shipping Delay Management Tracks delays, stuck shipments, lost parcels, proactively contacts customers 1 3
Digital Proof-of-Delivery Automatically fetches proof of delivery with dashboard logs for multi-piece shipments 1 3
Scheduled Delivery Reminders for Marketplaces Actively reminds carriers of marketplace appointments, delivery by date, generates LRs 1 2

** Instructions: 

  • Column 1: Name of the Feature
  • Column 2: Description of the feature
  • Column 3: Brand 1 details
  • Column 4: Brand 2 details
  • Column 5: Brand 3 details

Note: Column 3, 4 and 5 will accept value only "1" or "2" or "3". Column 5 will be there if there two external brands are considered. Otherwise Column 3 will be "Other" and Column 4 will be "Clickpost".

1 -> Advanced

2 -> Intermediate

3 -> Limited

ClickPost ShipStation
ClickPost
ShipStation

Who’s the final winner?

The Answer is ClickPost!

Multi-carrier shipping isn’t just about printing labels or chasing discounted rates. Brands today demand delivery accuracy, loyalty-building post-purchase engagement, and speed-to-market adaptability—exactly where ClickPost outpaces ShipStation in logistical finesse.

ClickPost helps brands meet 92%+ of delivery expectations, reduce WISMO queries, and convert 54% of returns into exchanges—keeping revenue in-house. It enables performance-led carrier allocation, flexible return policies aligned to brand needs, and personalized notifications across communication channels. With support for store credits, brands retain up to 40% of revenue accelerating the next purchase.

Behind these outcomes is a robust API suite that automates serviceability checks, EDD calculation, delay alerts, and order tracking. While hipStation locks integrations behind premium plans, ClickPost fulfills custom requests—delivering plug-and-play setups in under a day and enterprise-grade integrations within 14–60 days. ShipStation, however, remains a reliable choice for small and medium businesses looking for streamlined order processing, carrier rate shopping, and inventory sync across sales channels.

ClickPost is API-first and built for scale—supporting 500+ global carriers, 45+ communication tools, 30+ storefronts, and 10+ ERP/WMS platforms. For brands focused on agility, retention, and operational excellence, ClickPost isn’t just a shipping tool—it’s the operating layer for intelligent, scalable logistics.

Frequently asked questions (FAQ's)

Which platform offers better support for high-volume shipping—ClickPost or ShipStation?

ClickPost is built for high-volume shipping, automating carrier integration, performance-based allocation, invoice reconciliation, B2B store-to-store inventory mobility, and real-time tracking with delivery exception handling. Its API suite helps brands scale seamlessly as volumes grow with enterprise graded features. ShipStation is better suited for SMBs seeking discounted rates, generating shipping labels, and order management.

Between ClickPost and ShipStation, which integrates more carriers across global and local regions?

ClickPost supports enterprise-scale logistics with 550+ global and regional carriers, enabling scalable serviceability across geographies. Brands can go live within a day, while custom carrier integrations are completed in 14–60 days. ShipStation focuses on rate shopping with major U.S. carriers, limiting flexibility for brands with growing cross-border operations.

Can ClickPost provide better visibility into SLA breaches than ShipStation?

Absolutely. ClickPost offers real-time tracking with SLA monitoring down to the minute. It flags EDD breaches, pickup failures, and missed marketplace appointments—giving ops teams granular visibility into carrier performance. ShipStation lacks comparable enterprise-grade SLA tracking or proactive exception alerts, making it less suited for precision-led, high-volume logistics.

How do ClickPost and ShipStation differ in their pricing models and scalability?

ClickPost is built for scale, offering usage-based pricing with full access to features—whether a brand ships 15,000 or 50,000 orders monthly. ShipStation caters to SMBs, starting at $9.99 for 50 shipments and scaling up to $399.99 for automation. ClickPost supports growth without locking capabilities behind rigid pricing tiers.

How do ClickPost and Loop Returns differ in customer experience during the return process?

ClickPost offers branded portals, real-time tracking, and proactive customer touchpoints—but goes further with faster resolutions, flexible logic, and intelligent workflows that reduce queries. While Loop emphasizes aesthetics, ClickPost balances CX with backend automation and control, enhancing experience, and efficiency.

Streamline your shipping experience with ClickPost

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