The best server-side tracking tool for Shopify depends on who will run it. For a managed app that resolves identity before events reach Meta, Google and Klaviyo, look at Upstack Signal or Elevar. For GA4 accuracy, Littledata. For the lowest price on a managed app, Analyzify or WeTracked. For full control with a developer, server-side GTM on Stape.
We checked every price, plan, destination list and trial below on each vendor's own pricing page, documentation or Shopify App Store listing on October 23, 2026. Upstack is our product, so we've judged it on the same criteria as everyone else and listed its limitations just as plainly, including where a cheaper tool does the job.
A quick definition before the list: server-side tracking sends conversion events from a server straight to an ad platform's API, so they don't depend on a pixel surviving in the shopper's browser. Shopify's own help center notes that data sent server to server "can't be blocked by browser-based ad blockers." Our server-side tracking guide explains how it works, and our Meta CAPI and first-party data guide covers the Conversions API in depth. This post is about choosing a tool.
Server-side tracking tools for Shopify at a glance
Sources for every row are linked in that tool's section below.
How we compared these tools
Each tool was checked on the same six questions:
Pricing basis and entry price. What the bill follows (orders, requests, events or revenue) and the lowest published price.
Destinations. Which ad, email and analytics platforms receive events server-side.
Identity. How the tool recognizes a visitor before it sends the event: a longer-lived cookie, a fingerprint, session enrichment or an identity graph.
Setup and upkeep. An app you install, or a tag container you build and maintain.
Reporting. Does the tool tell you which channel earned the order, or only improve what the platforms receive?
Trial and terms. Free plan, trial length and any annual commitment.
Everything comes from vendor pricing pages, help docs and Shopify App Store listings, checked October 23, 2026. Prices are monthly list prices unless we say otherwise; TrackBee publishes euro prices excluding VAT. Where a vendor's page makes a performance claim ("100% accuracy", for example), we quote it as the vendor's claim rather than repeat it as fact.
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1. Upstack Signal: server-side tracking with identity resolution
Upstack is our product, so read this section knowing that.
Our take. Signal is for Shopify brands that spend mainly on Meta, Google and TikTok, run retention through Klaviyo, and want each visitor identified before an event is sent. It resolves visitors against Upstack's own identity graph instead of extending a cookie. It isn't the cheapest option: Analyzify costs less at every volume we priced, WeTracked costs the same or less up to 7,500 orders, and Signal doesn't send events to Google Analytics 4.
Skip it if GA4 accuracy is the job, or price is the deciding factor.
How it works, destinations, setup, pricing and limitations
Best for
Shopify brands spending on Meta, Google Ads and TikTok, with Klaviyo flows, that want a managed setup rather than a tag container to maintain.
How it works
Collection is server-side and built on first-party data. Before an event leaves, Upstack Signal resolves the visitor against an identity graph of 750M+ devices and 150M+ customers, using deterministic and probabilistic matching, and the Upstack ID persists for the customer's lifetime.
Destinations
Meta Conversions API, Google Ads, TikTok Events API, Pinterest, Snapchat, Reddit, Microsoft Ads and Klaviyo, among others. Our Shopify App Store listing names Meta, Google, Klaviyo, TikTok and Pinterest.
Setup
A Shopify app install. There's no tag container for you to build.
Pricing (October 2026)
Per order and month to month. Signal is $149 a month for up to 1,000 orders, $249 up to 3,000, $399 up to 10,000, $699 up to 15,000, $1,199 up to 30,000 and $1,599 up to 50,000. Above 50,000 orders, pricing is quoted. Reporting is a separate plan: Attribution + Signal from $199. Every plan has a 21-day free trial, and the full bands are on our pricing page.
Limitations
No server-side delivery to GA4. Littledata's own comparison page marks Google Analytics "Not included" for us, and that's accurate. There's a trial but no free plan, and reporting costs extra.
2. Elevar: managed tracking built around a data layer
Elevar now sells under the Audiense brand: its old pricing URL redirects to Audiense Online.
Our take. Elevar suits teams that want a mature data layer that also feeds Google Tag Manager, with GA4, Meta and Google Ads in one setup. The catch is destination caps. Core includes two destinations, Advanced four and Premium ten, and on Advanced and above each extra destination costs $125 a month.
Skip it if you want every destination included at one price. Upstack vs Elevar compares the two row by row.
How it works, destinations, setup, pricing and limitations
Best for
Teams that already work in GTM and want GA4, Meta and Google Ads fed from one data layer.
How it works
Server-side tracking, a data layer and event pipeline, and "identity resolution and session enrichment," per its Shopify App Store listing. The Audiense Online pricing page says the data layer collects events "for GTM, Shopify Web Pixel, and server-side tracking."
Destinations
The listing names Meta CAPI, Google Ads, GA4, Klaviyo and TikTok, with "50+ integrations" in total.
Setup
A Shopify app. Paid expert installation and monthly analyst services are sold on top.
Pricing (October 2026)
Per order, on the Shopify listing. Base is free for 100 orders a month ($0.75 per extra order), Core $225 for 2,000, Advanced $650 for 10,000 and Premium $1,250 for 30,000, with overage falling to $0.10 per order on Premium. Paid plans come with a 15-day free trial. The Audiense page adds Elite, from $3,000 for 75,000 orders.
Limitations
Destination caps by plan, with extra destinations at $125 a month each on Advanced and above. Elevar lists attribution and BI tools as destinations to send data to; it doesn't report attribution itself.
Our take. Littledata is the pick when GA4 has to match Shopify. It tracks every purchase server-side and sends events to GA4, Google Ads, Meta and Klaviyo, with all destinations on every plan and a 30-day trial. It has no attribution reporting of its own, which its comparison page says in plain terms, so reporting stays in GA4 and the ad platforms.
Skip it if meta and Klaviyo, not GA4, are where you need better data. Upstack vs Littledata covers the split many brands make between the two.
How it works, destinations, setup, pricing and limitations
Best for
Brands whose reporting lives in Google Analytics 4.
How it works
Littledata "tracks every purchase server-side from Shopify, so conversions reach Google and Meta whatever the shopper's browser," per its features page.
Destinations
GA4, Meta, Google Ads, Microsoft Ads, Pinterest, TikTok, Klaviyo, Attentive, Recharge and Segment are "Included in all plans" on its plans page.
Setup
A Shopify app.
Pricing (October 2026)
Per order. On its Shopify App Store listing, Flex is $0.35 per order with no monthly minimum, Scale is $199 a month for 1,500 orders (then $0.15 per order to 3,000 and $0.06 above that), and Plus is $990 a month for 10,000 orders. Annual billing saves 20%, which is why its plans page shows Scale at $159 and Plus at $792. Every plan has a 30-day free trial.
Limitations
No marketing reporting and no attribution model: Littledata's own Upstack comparison page marks "Marketing reporting" and "Proprietary attribution model" as "Not included" for Littledata.
4. Analyzify: server-side tracking plus GA4 and Google Ads setup
Our take. Analyzify is the best value on this list for a store that wants GA4, Google Ads and Meta's Conversions API handled in one subscription. Standard is $145 a month for up to 5,000 orders, with server-side tracking and purchase-level attribution reports included. It's built around Google Tag Manager, so expect a data layer and containers in your stack.
Skip it if you don't want Google Tag Manager in your stack.
How it works, destinations, setup, pricing and limitations
Best for
Stores that want GA4 and Google Ads conversions set up properly alongside Meta, at a low monthly price.
How it works
Every plan includes "Server-Side Tracking & Unified Pixel" and "GA4 & Meta CAPI & 10+ integrations," per its Shopify App Store listing. Its pricing page adds pre-built GTM containers.
Destinations
GA4, Meta, Google Ads, TikTok, Pinterest, Snapchat and more. Plus adds Klaviyo reporting and audience sync.
Setup
Guided self-setup, which the pricing page puts at 5 to 10 minutes, or done-for-you implementation for $295 one-time on monthly plans (included with yearly plans).
Pricing (October 2026)
Standard is $145 a month for 5,000 orders or $175 for 10,000, and Plus is $275 for 50,000. Yearly billing saves 25%: Standard's first tier is $1,305 a year.
Limitations
The pricing page says server-side purchase data goes to GA4, Meta and TikTok, so check how your other platforms are covered. Klaviyo appears only on Plus. The listing states no free trial. Server-side GTM hosting is a separate purchase: Analyzify sells a managed setup for $1,490 on Stape or $2,790 on Google Cloud.
5. Stape: hosting for server-side Google Tag Manager
Our take. Stape is the cheapest way to run server-side GTM without managing your own cloud account. It hosts your server container, adds power-ups such as Cookie Keeper, Bot Detection and the Enricher, and has a free Shopify app that injects GTM and data layer events. What it sells is infrastructure: you or your agency build and maintain the tags, and nothing in it reports revenue.
Skip it if nobody on your team or at your agency works in GTM. Upstack vs Stape sets a managed product against a hosted container.
How it works, destinations, setup, pricing and limitations
Best for
Teams or agencies who know GTM and want control over every tag at a low infrastructure cost.
How it works
The free Stape Conversion Tracking app installs GTM, generates data layer events and sends purchase and refund webhooks to your server container. Stape's setup assistant generates tag templates for Google, Meta and TikTok "and more," but you still create, debug and publish a web container and a server container.
Destinations
Any platform you can add a server-side GTM tag for.
Setup
Do it yourself, or pay Stape. Its setup or audit service starts from $1,100, and Stape Care support is $99 to $199 a month on top of the hosting plan, per its care service page.
Pricing (October 2026)
Priced on server requests, per the Stape pricing page. Free covers up to 10,000 requests a month. Billed annually, Pro is $17 a month for 500,000 requests, Business $83 for 5 million and Enterprise $167 for 20 million.
Limitations
Stape Analytics reports requests recovered from ad blockers and tracking prevention, bot traffic and consent status, not revenue or marketing channels, per its analytics documentation. The real cost is hosting plus whoever builds and maintains the container.
6. Blotout: EdgeTag first-party edge tracking for many channels
Our take. Blotout's EdgeTag fits brands that want collection on their own first-party subdomain across a long list of channels, including regulated categories, with HIPAA compliance on its top-priced plans. It's server-side tracking only, with no meaningful attribution reporting. Billing is per event, and plans above Starter need an annual commitment.
How it works, destinations, pricing and limitations
Best for
Brands sending to many destinations, or in categories that need HIPAA-ready tracking.
How it works
EdgeTag collects from a first-party subdomain. Onboarding needs access to your DNS provider to add a TXT record, which proves you own the domain, and a CNAME record, which maps the subdomain to the edge, per the EdgeTag getting-started docs. The docs say onboarding can finish "in under 15 minutes" if you have everything ready.
Destinations
"55+ Channels" of ad, retention and analytics integrations, per the Blotout pricing page.
Pricing (October 2026)
Starter is $60 a month for 100,000 events, paid monthly. Blotout counts events roughly as pageviews times channels; its own example is "100 K events (~20 K pageviews × 4 channels)." Growth and Professional carry an annual commitment with a 30-day trial and a 60-dayopt-out, and their prices vary by use case on the page. The pricing that includes HIPAA compliance starts at $1,600 a month. Site implementation help starts at $299.
Limitations
No attribution reporting. Setup includes DNS changes. The bill rises with traffic and with each channel you add.
7. Aimerce: Durable ID tracking with Klaviyo tools
Our take. Aimerce suits Shopify brands whose revenue leans on Klaviyo. Its Durable ID extends visitor tracking from Safari's 7 days to a year, and it adds Klaviyo-focused tools, including an AI agent sold in credit packs. At $299 for 1,000 orders, it has the highest entry price on this list, and we treat it as a server-side tracking tool rather than an attribution platform.
Skip it if klaviyo isn't central to your revenue. Upstack vs Aimerce compares Durable ID with identity resolution.
How it works, destinations, setup, pricing and limitations
Best for
Klaviyo-heavy brands that want returning visitors recognized for longer.
How it works
Aimerce says it "captures and enriches all Shopify visitors' data for up to 1 year, beyond Safari's 7-day limit," per its how it works page, and lists cross-device and cross-browser tracking among Durable ID's capabilities.
Destinations
Meta, Google, Klaviyo, OpenAI, TikTok, Pinterest and Omnisend through their Conversions APIs, per its Shopify App Store listing.
Setup
A "20-minute install," per Aimerce.
Pricing (October 2026)
Per order, on the Shopify listing: Essential $299 a month for 1,000 orders ($0.10 per extra order), Growth $499 for 10,000 ($0.05) and Enterprise $1,799 for 50,000 ($0.03). Custom events are a $49-a-month add-on on Essential and included on Growth, per the Aimerce pricing page, which also offers a 30-day free trial of the Aimerce Pixel.
Limitations
The listing includes "Attribution Analytics & Reporting" on Growth and Enterprise, but the product is built around signal delivery and Klaviyo rather than multi-channel attribution, so budget for a separate reporting tool. The entry plan includes only 1,000 orders.
8. WeTracked: low-cost signal recovery for ad platforms
Our take. WeTracked is the budget pick for getting conversions back into ad managers: $49 a month for 500 orders, several stores per plan and a 14-day trial. It matches visitors with what it calls a "cookie-proof digital fingerprint." It's server-side tracking only: its FAQ says the data goes back into your ad managers, so "no additional dashboard is needed."
Skip it if you want reporting, or identity you can use downstream in email. Upstack vs WeTracked covers the difference in method.
How it works, destinations, pricing and limitations
Best for
Smaller stores, or operators running several stores, who want Meta, TikTok and Google signal at the lowest price.
How it works
Its "360° Data Enrichment Engine" builds "a cookie-proof digital fingerprint," per its features page, which also says you can "Set up in 5 minutes."
Destinations
Meta, Google Ads, TikTok, Pinterest, Snapchat and X. Klaviyo is sold as a separate product.
Pricing (October 2026)
Per order, per the WeTracked pricing page: Starter $49 a month for 500 orders and up to 3 stores, Business $149 for 3,000 orders and 5 stores, Scale-up $249 for 7,500 orders and 10 stores, and Enterprise on a custom quote above that. Annual billing saves 20%. There's a 14-day free trial and a 60-day money-back guarantee.
Limitations
No attribution reporting beyond its Pulse dashboard. Matching relies on a fingerprint rather than identifiers the customer gave you, so ask how matches carry into Klaviyo. Above 7,500 orders, pricing is quoted.
9. TrackBee: server-side tracking priced on tracked revenue
Our take. TrackBee runs alongside your existing pixels and sends server-side conversions to 19 integrations on every plan, including Microsoft Ads and GA4, with a 30-day trial that needs no card. It prices in euros on tracked revenue, which favors stores with many low-value orders: as your average order value rises, so does the bill.
Skip it if you want order-based pricing in dollars.
How it works, destinations, setup, pricing and limitations
Best for
Stores that think in euros, or sell many low-value orders, and want a broad destination list on the entry plan.
How it works
TrackBee captures conversions that browser pixels miss and sends them to ad platforms, and "runs alongside your existing pixels," per the TrackBee pricing page.
Destinations
19 integrations, including Meta, Google Ads, TikTok, Pinterest, Snapchat, Microsoft Ads, Klaviyo and GA4.
Setup
Connect your ad accounts; the 30-day trial starts when you connect the first one.
Pricing (October 2026, excluding VAT)
Start is €79 a month for €25K in tracked revenue, Pro €199 for €100K and Scale €449 for €500K, with overage charged per €1K above that. Going over doesn't stop tracking. The Insights add-on, €19.99 a month, answers attribution questions inside Claude or ChatGPT.
Limitations
Attribution comes through a paid add-on inside an AI assistant, which Insights describes as having "no dashboard to learn," rather than a reporting screen. Revenue pricing means a higher order value raises the bill.
10. Shopify Facebook & Instagram app: free Conversions API for Meta
Our take. If Meta is your only paid channel and you aren't ready to pay for tracking, start here. Meta's Facebook & Instagram app for Shopify is free and turns on the Conversions API at its Enhanced or Maximum data sharing levels. It covers Meta only, and the only event Shopify's documentation names as sent through the Conversions API is the purchase.
Skip it if you also run Google, TikTok or Klaviyo, or you want more than purchases sent server-side. Our walkthrough of setting up the Conversions API on Shopify covers the native options.
How it works, destinations, setup, pricing and limitations
Best for
Stores running Meta ads only, trying server-side events for the first time.
How it works
Standard uses the Meta Pixel alone. Enhanced and Maximum add the Conversions API and share customer name, location, email and phone number to match users, per Shopify's data sharing documentation, which says "The Conversions API sends the purchase event between Shopify and Facebook servers."
11. Meta Conversions API Gateway: a no-code relay for the Pixel
Our take. The Conversions API Gateway (CAPIG) copies the events your Meta Pixel fires and forwards them to the Conversions API from a cloud server. Meta charges nothing for it; you pay cloud or partner fees. It relays only what the Pixel already saw, and only to Meta.
How it works, destinations, setup, pricing and limitations
Best for
Advertisers with a working Pixel, no developer and Meta as the main channel.
How it works
Meta calls it "a self-serve configuration option in Events Manager." It runs on AWS EKS, AWS ECS Express or Google Cloud, in a cloud account the business owns, and generates the event_id for deduplication automatically, per Meta's Gateway overview.
Destinations
Meta only. A Gateway pipeline "will only allow Meta Pixel as a data source, and Meta Conversions API as a data destination," per Meta's pipeline docs.
Setup
No code, but you need admin access to a cloud account, and DNS access to add a custom domain.
Pricing
Per Meta, "The only cost of the Conversions API Gateway is the associated cloud resource or partner fees."
Limitations
It can't send purchases the Pixel missed, or data the browser never saw, such as new-customer status. A Gateway left connected after you switch tools keeps sending server events alongside the new one.
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12. Self-hosted server-side GTM: full control on your own cloud bill
Our take. Running server-side Google Tag Manager in your own Google Cloud project gives you full control over what's collected and where it goes. You pay for hosting and for the time to build and maintain every tag. It makes sense with an in-house developer or analytics engineer; without one, a hosted container on Stape or a managed app is easier to live with.
Skip it if nobody will own the container after launch.
How it works, destinations, setup, pricing and limitations
Best for
Brands with an in-house developer or analytics engineer.
How it works
"The server runs in your own Google Cloud Platform project," per Google's server-side tagging overview, with the same tag, trigger and variable model as a web container.
Destinations
Any platform with a server-side tag.
Setup
You build web and server containers, configure each tag and its deduplication, and keep the server updated. Google recommends updating at least for each major version.
Pricing
Google's Cloud Run setup guide puts each server at "approximately $45 /month (USD)" and recommends at least 2 instances, so about $90 a month before logging charges and your team's time.
Limitations
The same guide warns that logging every request can add significant charges above about 1 million requests a month. There's no reporting layer.
Entry prices hide how each bill moves as you grow. Here is the monthly list price for three example stores, using only published prices and the cheapest plan that covers each volume:
Monthly price
800 orders
2,500 orders
9,000 orders
Upstack Signal
$149
$249
$399
Analyzify
$145 (Standard)
$145 (Standard)
$175 (Standard, 10,000 tier)
WeTracked
$149 (Business)
$149 (Business)
Quoted (Enterprise)
Littledata
$199 (Scale)
$349 (Scale plus overage)
$784 (Scale plus overage)
Elevar
$225 (Core)
$475 (Core plus overage)
$650 (Advanced)
Aimerce
$299 (Essential)
$449 (Essential plus overage)
$499 (Growth)
Shopify Facebook & Instagram app
Free, Meta only
Free, Meta only
Free, Meta only
Prices exclude annual discounts, add-ons and taxes. Upstack's bands come from our pricing page, and every other figure comes from the vendor sources linked in that tool's section. Elevar's Core plan includes two destinations; at 2,500 orders, Advanced ($650) is the plan with four.
Stape, Blotout, TrackBee, the Conversions API Gateway and self-hosted server-side GTM aren't in the table, because they're priced on requests, events, revenue or cloud usage rather than orders. The pattern is the useful part: at 800 orders, Analyzify, WeTracked and Upstack Signal sit within $4 of each other, and by 9,000 orders the gap between the cheapest managed app and the most expensive is over $600 a month.
Which server-side tracking tool fits your store?
If you want
Look at
A managed app that resolves identity before sending to Meta, Google and Klaviyo
Upstack Signal
GA4 that matches Shopify
Littledata, Analyzify
A GTM-friendly data layer, maintained for you
Elevar, Analyzify
Control over every tag
Stape, self-hosted server-side GTM
The lowest monthly price for a managed app
Analyzify, WeTracked
Many destinations or HIPAA-ready tracking
Blotout
Longer-lived visitor IDs and Klaviyo tools
Aimerce
Revenue-based pricing in euros
TrackBee
Free, and Meta only
Shopify's Facebook & Instagram app, Meta's Conversions API Gateway
A useful rule: decide who will maintain the setup before you compare features. A managed app costs more per month and needs little upkeep. A container costs less per month and needs someone who knows GTM every time your theme, checkout or ad accounts change.
Do you need attribution reporting from the same tool?
Server-side tracking improves what the ad platforms receive. Attribution reporting tells you which channel earned the order. Most tools on this list do only the first.
Reporting included: Analyzify (purchase-level reports, multi-channel attribution on Plus) and Aimerce (listed on Growth and Enterprise).
Reporting as an add-on: TrackBee's Insights, and Upstack's Attribution plan (Attribution + Signal from $199).
No reporting of their own: Elevar, Littledata, Stape, Blotout, WeTracked, Shopify's Meta app, the Gateway and self-hosted GTM. Reporting stays in GA4, the ad platforms or a separate tool.
If you need an attribution platform as well, our Triple Whale alternatives guide compares the main options and which of them send server-side events too.
How to switch server-side tracking tools without double counting
Keep one server-side sender per pixel. Meta keeps one copy of an event only when the browser event's eventID matches the server event's event_id and the event names match, within 48 hours. It also says "If you send us two consecutive server events with the same information, we do not discard either" (Meta's deduplication guide). Two server-side tools on one pixel can count each sale twice.
Check Shopify's Meta app first. At Enhanced or Maximum data sharing, it already sends purchases through the Conversions API. Drop it to Standard, or switch the new tool's Meta delivery off, so only one of them sends server events.
Run both for one to two weeks. Compare order counts and Event Match Quality, with only one tool sending to each ad platform.
Disconnect what you leave behind. Remove the old app, disconnect any Conversions API Gateway in Events Manager, and pause old server containers so nothing keeps sending.
Check the result. Server event volume for each event should fall to a single sender's level. Our Meta Pixel Helper guide shows how to check what's firing.
Frequently asked questions
What is the best server-side tracking tool for Shopify?
It depends on who maintains it and where you advertise. For a managed app with identity resolution across Meta, Google and Klaviyo, Upstack Signal. For GA4, Littledata. For the lowest price on a managed app, Analyzify or WeTracked. For full control, server-side GTM hosted on Stape. For Meta only at no cost, Shopify's Facebook & Instagram app.
Does Shopify have built-inserver-side tracking?
For Meta, partly. Meta's Facebook & Instagram app for Shopify uses the Conversions API at its Enhanced and Maximum data sharing levels, and Shopify's documentation names the purchase as the event it sends between servers. It doesn't cover Google, TikTok or Klaviyo, so most brands running more than one channel add a dedicated tool.
How much does server-side tracking cost on Shopify?
From free to a few hundred dollars a month for most stores. Shopify's Meta app is free; Stape has a free tier and paid hosting from $17 a month billed annually; Google estimates about $45 a month per self-hosted server, with two recommended. Paid plans on managed apps start between $49 (WeTracked, 500 orders) and $299 (Aimerce, 1,000 orders), and Elevar and Littledata also offer free or pay-per-order entry plans. Upstack Signal is $149 for up to 1,000 orders.
Is server-side GTM better than a Shopify tracking app?
It's more flexible, not necessarily better. Server-side GTM lets you send any event to any platform and costs little to host, but you build and maintain every tag. A managed app costs more per month and handles the upkeep. If nobody on your team works in GTM, an app is the safer choice.
Which server-side tracking tools include attribution reporting?
Analyzify includes purchase-level attribution reports, with multi-channel attribution on Plus, and Aimerce lists attribution reporting on Growth and Enterprise. TrackBee sells attribution as an add-on, and Upstack sells it as a separate Attribution plan. Elevar, Littledata, Stape, Blotout and WeTracked don't report attribution themselves.
Can I run two server-side tracking tools at the same time?
For a short comparison, yes, as long as only one sends to each ad platform. Meta doesn't discard two server events with the same information, so two tools sending purchases to one pixel can double count sales. Turn off one tool's Meta delivery during the overlap, and disconnect the old tool fully when you switch.
Is Stape or Elevar better for Shopify?
They're different purchases. Stape hosts a server-side GTM container you build yourself, with a free tier and paid hosting from $17 a month billed annually. Elevar is a managed app with a data layer, from free for 100 orders to $225 a month for 2,000. Choose Stape if you have GTM skills in-house, Elevar if you'd rather not maintain tags.
Do server-side tracking tools work with Klaviyo?
Several do. Upstack Signal, Elevar, Littledata, Aimerce and TrackBee name Klaviyo as a destination, and Analyzify's Plus plan adds Klaviyo reporting and audience sync. WeTracked sells its Klaviyo product separately. Stape and self-hosted GTM can reach Klaviyo only if you build that tag.
Compare Upstack with each tool
If you're weighing Upstack Signal against one of these tools, our comparison pages go through tracking, identity, pricing and terms line by line, including where the other tool is the better fit:
1. Upstack Signal: server-side tracking with identity resolution