Checkout / payments

Server-Side Tracking for Paddle

Stop losing conversions to iOS ITP, short-lived cookies, and ad-blockers. TrakSolv hosts a first-party server-side GTM container for your Paddle store and forwards clean, deduplicated conversions to GA4, Meta CAPI, Google Ads and more. Live in minutes, flat monthly pricing.

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No credit card to startFlat monthly pricingNative Paddle dataLayerGA4 · Meta CAPI · Google Ads

Why it matters for Paddle

The pixel alone is leaking your data.

Browser-side tracking on Paddle loses a growing share of conversions. Here's what moving to a server-side setup fixes.

Recover conversions lost to ITP & ad-blockers

On Paddle, browser-side pixels are throttled by Safari/Firefox ITP, capped 7-day cookies, and blocked outright by ad-blockers and consent walls. Server-side tracking moves the measurement off the browser, so checkout completions that the pixel silently drops are recovered and reported.

First-party data, served from your own domain

TrakSolv hosts your Google Tag Manager server container on a subdomain of your Paddle site. Requests come from a first-party context — they survive 3rd-party cookie deprecation, last far longer than client-side cookies, and look like your own traffic, not a tracker.

Clean, deduplicated conversions to every ad platform

The Paddle dataLayer fires every GA4 enhanced-ecommerce event with a stable event_id, so your server-side container can forward checkout completions to GA4, Meta CAPI, Google Ads Enhanced Conversions, TikTok and more — deduplicated against the browser pixel, with higher match quality.

Step by step

How to set up server-side tracking on Paddle

Paste the TrakSolv loader and the Paddle dataLayer snippet into your store's custom-code area, save, and you're done. Every step below has the exact snippet with a copy button.

Install guide

How to install on Paddle

This is your install. Every step below has its exact snippet with a Copy button — go step by step. The Loader card above and DataLayer card below are reference copies of the same snippets.

1
Ensure paddle.js is loaded on the page
Navigate
<script src="https://cdn.paddle.com/paddle/v2/paddle.js"></script>
Paddle's checkout is an overlay on YOUR site — the snippet hooks paddle.js once it's loaded. paddle.js must be present BEFORE the Traksolv snippet runs.
2
Loader — head half
Loader • Head
<head> of every page that loads paddle.js → paste the Loader Head snippet
3
Loader — body half + DataLayer
Loader • Body
End of <body> on the same pages → paste the Loader Body snippet FIRST

DataLayer snippet

DataLayer

Same location, after the Loader Body → paste the DataLayer snippet

Calls Paddle.Initialize with an eventCallback. If you've ALREADY called Paddle.Initialize with your own eventCallback (e.g. for analytics or custom UX), pre-stash it on window._tcPaddleExistingCallback before the Traksolv snippet runs — Traksolv will chain on top of it.

HTML

<!-- Traksolv · Paddle DataLayer — paste in <head> AFTER paddle.js -->
<script>
(function (w) {
  w.dataLayer = w.dataLayer || [];
  var DEBUG = false;
  try {
    var q = new URLSearchParams(location.search);
    if (q.get('tcDebug') === '1') { DEBUG = true; try { localStorage.setItem('tcDebug', '1'); } catch (e) {} }
    else if (q.get('tcDebug') === '0') { DEBUG = false; try { localStorage.removeItem('tcDebug'); } catch (e) {} }
    else { try { if (localStorage.getItem('tcDebug') === '1') DEBUG = true; } catch (e) {} }
  } catch (e) {}
  w.tcDebug = DEBUG;
  if (DEBUG && w.console && w.console.log) {
    try { w.console.log('%c[Traksolv]%c dataLayer debug ON — every push will log here. Disable with ?tcDebug=0', 'color:#22c55e;font-weight:600;background:#0a1f0c;padding:2px 6px;border-radius:3px', ''); } catch (e) {}
  }
  function log() {
    if (!DEBUG || !w.console || !w.console.log) return;
    try { w.console.log.apply(w.console, ['[Traksolv]'].concat([].slice.call(arguments))); } catch (e) {}
  }
  function push(eventName, eventId, params) {
    try {
      if (params && params.ecommerce !== undefined) w.dataLayer.push({ ecommerce: null });
      var ev = { event: eventName, event_id: eventName + '.' + eventId };
      if (params) for (var k in params) if (Object.prototype.hasOwnProperty.call(params, k)) ev[k] = params[k];
      w.dataLayer.push(ev);
      log('push ' + eventName, ev);
    } catch (e) {}
  }
  function once(key) {
    try { if (sessionStorage.getItem(key)) return false; sessionStorage.setItem(key, '1'); return true; }
    catch (e) { return true; }
  }

  w.tcFirePurchase = function (o) {
    try {
      if (!o || !o.orderId) return;
      if (!once('tc_purchase_' + o.orderId)) return;
      push('purchase', String(o.orderId), {
        ecommerce: {
          transaction_id: String(o.orderId),
          value:    Number(o.value) || 0,
          currency: o.currency || 'USD',
          items:    Array.isArray(o.items) ? o.items : []
        }
      });
    } catch (e) {}
  };

  function paddleItemsToGA4(items) {
    return (items || []).map(function (it, i) {
      var totals = it.totals || {};
      var product = it.product || {};
      return {
        item_id:       String(it.price_id || product.id || product.name || ('item.' + i)),
        item_name:     product.name || it.price_name || '',
        item_category: it.billing_cycle ? ('subscription-' + (it.billing_cycle.interval || '')) : 'one-time',
        item_variant:  it.price_name || undefined,
        price:         (Number(totals.subtotal) || 0) / 100,
        quantity:      Number(it.quantity) || 1,
        index:         i
      };
    });
  }

  function handlePaddleEvent(evt) {
    try {
      if (!evt || !evt.name) return;
      log('observed ' + evt.name, evt);
      var data = evt.data || {};
      var totals = data.totals || {};
      var ck = data.id || ('che.' + Date.now());
      var currency = data.currency_code || (totals.currency_code) || 'USD';

      if (evt.name === 'checkout.loaded') {
        if (!once('tc_begin_checkout_' + ck)) return;
        var items = paddleItemsToGA4(data.items);
        push('begin_checkout', ck, {
          ecommerce: {
            currency: currency,
            value:    (Number(totals.total) || 0) / 100,
            items:    items
          }
        });
      } else if (evt.name === 'checkout.payment.selected') {
        push('add_payment_info', ck + '.' + Date.now(), {
          ecommerce: {
            currency:     currency,
            value:        (Number(totals.total) || 0) / 100,
            payment_type: (data.payment && data.payment.method_details && data.payment.method_details.type) || undefined,
            items:        paddleItemsToGA4(data.items)
          }
        });
      } else if (evt.name === 'checkout.completed') {
        var oid = data.transaction_id || data.id || ('paddle.' + Date.now());
        if (!once('tc_purchase_' + oid)) return;
        push('purchase', String(oid), {
          ecommerce: {
            transaction_id: String(oid),
            affiliation:    'Paddle',
            value:          (Number(totals.total) || 0) / 100,
            tax:            (Number(totals.tax)   || 0) / 100 || undefined,
            discount:       (Number(totals.discount) || 0) / 100 || undefined,
            currency:       currency,
            coupon:         (data.discount && (data.discount.code || data.discount.id)) || undefined,
            items:          paddleItemsToGA4(data.items)
          },
          user_id:    (data.customer && data.customer.id)    ? String(data.customer.id)    : undefined,
          user_email: (data.customer && data.customer.email) || undefined
        });
      }
    } catch (e) {}
  }

  function wireUp() {
    try {
      if (!w.Paddle || typeof w.Paddle.Initialize !== 'function') return false;
      // If the merchant has already called Paddle.Initialize, we need to
      // chain on top of their existing eventCallback (if any). Paddle
      // doesn't expose the current callback, but calling Initialize a
      // second time with eventCallback REPLACES it — so we wrap on the
      // first call and chain manually if Paddle is already initialized.
      var existingCallback = (w._tcPaddleExistingCallback || null);
      w.Paddle.Initialize({
        eventCallback: function (evt) {
          try {
            if (typeof existingCallback === 'function') existingCallback(evt);
          } catch (e) {}
          handlePaddleEvent(evt);
        }
      });
      return true;
    } catch (e) { return false; }
  }

  var attempts = 0;
  function tryWire() {
    if (wireUp()) return;
    if (++attempts > 100) return; // ~10s
    setTimeout(tryWire, 100);
  }
  if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', tryWire);
  else tryWire();

  w.tcPageType = function () { return 'other'; };
})(window);
</script>
<!-- End Traksolv Paddle DataLayer -->

<!-- Traksolv · DataLayer enrichment — customer lifecycle + remarketing + attribution -->
<script>
(function (w, d) {
  function readLT() {
    try {
      var raw = localStorage.getItem('tc_lifetime');
      var p = raw ? JSON.parse(raw) : null;
      return {
        orderCount:    (p && p.orderCount)    || 0,
        lifetimeValue: (p && p.lifetimeValue) || 0,
        firstOrderTs:  (p && p.firstOrderTs)  || null,
        lastOrderTs:   (p && p.lastOrderTs)   || null,
        lastOrderId:   (p && p.lastOrderId)   || null
      };
    } catch (e) {
      return { orderCount: 0, lifetimeValue: 0, firstOrderTs: null, lastOrderTs: null, lastOrderId: null };
    }
  }
  function writeLT(lt) {
    try { localStorage.setItem('tc_lifetime', JSON.stringify(lt)); } catch (e) {}
  }
  function tier(v) {
    if (v >= 1000) return 'vip';
    if (v >= 250)  return 'mid';
    if (v > 0)     return 'low';
    return 'guest';
  }
  function readCookie(n) {
    try {
      var m = d.cookie.match(new RegExp('(^|; )' + n + '=([^;]+)'));
      return m ? decodeURIComponent(m[2]) : null;
    } catch (e) { return null; }
  }
  function readAttr() {
    try { var r = readCookie('_tc_attr'); return r ? JSON.parse(r) : null; } catch (e) { return null; }
  }

  w.tcReadLifetime    = readLT;
  w.tcCustomerTier    = function (v) { return tier(v != null ? v : readLT().lifetimeValue); };
  w.tcReadAttribution = readAttr;

  // ── Wrap tcFirePurchase to add customer-lifecycle + attribution ──
  // before the underlying snippet pushes the purchase event. Idempotent
  // per orderId, so customer refreshing the thank-you page doesn't
  // inflate their lifetime counters.
  var orig = w.tcFirePurchase;
  if (typeof orig === 'function') {
    w.tcFirePurchase = function (o) {
      try {
        if (!o || !o.orderId) return orig.apply(this, arguments);
        var lt = readLT();
        var firstFire = lt.lastOrderId !== String(o.orderId);
        var orderCount    = firstFire ? lt.orderCount + 1 : lt.orderCount;
        var lifetimeValue = firstFire ? lt.lifetimeValue + (o.value || 0) : lt.lifetimeValue;
        var firstOrderTs  = lt.firstOrderTs || Date.now();
        var newCustomer   = orderCount === 1;
        var daysSinceFirst = Math.floor((Date.now() - firstOrderTs) / 86400000);

        if (firstFire) {
          writeLT({
            orderCount:    orderCount,
            lifetimeValue: lifetimeValue,
            firstOrderTs:  firstOrderTs,
            lastOrderTs:   Date.now(),
            lastOrderId:   String(o.orderId)
          });
        }

        var attr = readAttr();
        // Build the enriched order. Preserve every original field; add
        // customer + attribution on top.
        var enriched = {};
        for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) enriched[k] = o[k];
        enriched.new_customer            = newCustomer;
        enriched.customer_type           = newCustomer ? 'new' : 'returning';
        enriched.customer_status         = 'customer';
        enriched.customer_lifetime_value = Math.round(lifetimeValue * 100) / 100;
        enriched.customer_order_count    = orderCount;
        enriched.customer_aov            = orderCount > 0 ? Math.round((lifetimeValue / orderCount) * 100) / 100 : 0;
        enriched.purchase_number         = orderCount;
        enriched.days_since_first_order  = daysSinceFirst;
        enriched.value_tier              = tier(lifetimeValue);
        if (attr) enriched.attribution = {
          landing:   attr.u   || null,
          referrer:  attr.r   || null,
          utm:       attr.utm || null,
          click_ids: attr.cid || null
        };
        return orig.call(this, enriched);
      } catch (e) {
        try { return orig.apply(this, arguments); } catch (e2) {}
      }
    };
  }

  // ── tc_visitor_context — emits visitor lifecycle + remarketing on
  //    every page-view. GTM / GA4 audience triggers + Google Ads
  //    dynamic remarketing tag read these.
  function visitorContext() {
    try {
      var lt = readLT();
      var attr = readAttr();
      var pageType = (typeof w.tcPageType === 'function') ? (w.tcPageType() || 'other') : 'other';
      w.dataLayer = w.dataLayer || [];
      w.dataLayer.push({
        event:                   'tc_visitor_context',
        event_id:                'tc_visitor_context.' + Date.now() + '.' + Math.random().toString(36).slice(2, 6),
        customer_status:         lt.orderCount > 0 ? 'returning_customer' : 'guest',
        customer_type:           lt.orderCount > 0 ? 'returning' : 'guest',
        value_tier:              tier(lt.lifetimeValue),
        customer_lifetime_value: Math.round(lt.lifetimeValue * 100) / 100,
        customer_order_count:    lt.orderCount,
        days_since_first_order:  lt.firstOrderTs ? Math.floor((Date.now() - lt.firstOrderTs) / 86400000) : null,
        ecomm_pagetype:          pageType,
        attribution: attr ? {
          landing:   attr.u   || null,
          referrer:  attr.r   || null,
          utm:       attr.utm || null,
          click_ids: attr.cid || null
        } : null
      });
    } catch (e) {}
  }
  if (d.readyState === 'loading') d.addEventListener('DOMContentLoaded', visitorContext);
  else visitorContext();
})(window, document);
</script>
<!-- End Traksolv enrichment -->

5
Test with Paddle's sandbox
Save
Paddle → Settings → Sandbox → buy a test product → verify the purchase event fires
?tcDebug=1 in the URL will log every paddle.js event the snippet observes (17 events available — checkout.loaded, payment.selected, completed, etc.) alongside the purchase push.

The loader Head + Body snippets are generated for your container inside the TrakSolv dashboard. Create a free account to grab them, or see the full how-it-works walkthrough.

FAQ

Server-side tracking for Paddle, answered

Does server-side tracking work with Paddle?

Yes. TrakSolv works with Paddle via a lightweight loader snippet plus a Paddle-specific dataLayer that fires every GA4 enhanced-ecommerce event. You paste it once in Paddle's custom-code area and conversions start flowing through your own server-side GTM container.

How do I install TrakSolv on Paddle?

Add the TrakSolv loader (head + body) and the Paddle dataLayer snippet to your store's custom-code settings, then save. The full step-by-step is on this page. Most Paddle merchants are live in a few minutes — no developer required.

What can I track server-side on Paddle?

Page views, product views, checkout completions, begin-checkout and more — every standard GA4 enhanced-ecommerce event, forwarded server-side to GA4, Meta CAPI, Google Ads and other destinations with deduplication.

How much does server-side tracking for Paddle cost?

TrakSolv uses flat monthly pricing — one event sent to many destinations still counts as one event, and paid plans never auto-pause at quota. You can start free and go live in minutes.

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