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Addingwell
What it is
Addingwell provides server-side tagging built on Google Tag Manager Server-Side. Its stated purpose is to recover advertising signals affected by ad blockers, browser restrictions, and cookie deprecation. Tag Health Monitoring tracks events and sends alerts when something goes wrong; Data Monitoring offers insights into sent data, and Cookie Monitoring checks data quality and integrity across browsers. The platform provides multi-region infrastructure as well as CDN, JavaScript asset proxying, and reverse-proxy capabilities for managing data flows. Documentation describes server-side event delivery to Google Analytics 4, Google Ads, and Meta, plus a separate Microsoft UET Conversion API tag. Consent monitoring can show consent attached to each request in real time. The free plan is free and includes 100,000 requests and one-region infrastructure. Pay as you go costs €90 a month and lists 2,000,000 requests with multi-region infrastructure. Unused requests do not roll over, and additional requests are calculated at billing-cycle end and added to the invoice. Setup requires DNS records for a tagging subdomain; propagation can take five minutes to one hour.
For and against
For
- Tag Health tracks events and sends alerts.
- Consent monitoring can show consent per request.
- Supports delivery to Google Analytics 4, Google Ads, and Meta.
- Free plan includes 100,000 requests.
Against
- Unused requests do not roll over.
- DNS setup is required for a tagging subdomain.
- Free plan uses one-region infrastructure.
- No free trial is listed.
The verdict
Addingwell combines server-side tagging with event, data, cookie, and consent monitoring. Consider the request allowances, non-rollover rule, and DNS setup when assessing whether it fits your tagging needs.
Who it suits
Addingwell is aimed at professional clients and marketers working with websites and Google Tag Manager Server containers. It may suit teams that need server-side event delivery and monitoring for advertising data flows.
Plans and prices
Free
100,000 requests · premium private network · one-region infrastructure · tag health
Read 15 Oct 2026 · addingwell.com
1 million requests
1,000,000 requests · +2.30 € per additional 100,000
Read 15 Oct 2026 · addingwell.com
5 million requests
5,000,000 requests · +2.00 € per additional 100,000
Read 15 Oct 2026 · addingwell.com
12 million requests
12,000,000 requests · +1.75 € per additional 100,000
Read 15 Oct 2026 · addingwell.com
25 million requests
25,000,000 requests · +1.55 € per additional 100,000
Read 15 Oct 2026 · addingwell.com
50 million requests
50,000,000 requests · +1.40 € per additional 100,000
Read 15 Oct 2026 · addingwell.com
100 million requests
100,000,000 requests · +1.30 € per additional 100,000
Read 15 Oct 2026 · addingwell.com
Free Plan
100,000 requests · premium private network · one-region infrastructure · Tag Health
Read 4 Oct 2026 · addingwell.com
Pay as you go
2,000,000 requests · premium private network · multi-region infrastructure · tag monitoring
Read 4 Oct 2026 · addingwell.com
On the record
- Ad-blocker bypass
- Addingwell can serve GTM and GA4 JavaScript libraries from less detectable first-party URLs through its CDN.docs.addingwell.com · read 15 Oct 2026
- API authentication
- Data Manager API setups use an Addingwell service account that must be authorized in Google Ads or GA4.docs.addingwell.com · read 15 Oct 2026
- API endpoint example
- The documentation demonstrates POST requests to a customer's GTM server endpoint at /mp/collect.docs.addingwell.com · read 15 Oct 2026
- API template distribution
- The Data Manager API tag is downloaded as a template.tpl file and manually imported into a GTM server container.docs.addingwell.com · read 15 Oct 2026
- Audience
- The maker describes the platform as built for marketers and says its services are aimed at professional clients.addingwell.com · read 4 Oct 2026
- Company
- Addingwell says it was acquired by Didomi in 2025; its privacy policy lists its headquarters at 165 Avenue de Bretagne, 59000 Lille, France.addingwell.com · read 4 Oct 2026
- Consent
- Addingwell says its Didomi-backed consent monitoring can show consent attached to each request in real time.addingwell.com · read 4 Oct 2026
- Consent monitoring
- Event Consent Monitoring lets users inspect consent signals attached to server-side events.docs.addingwell.com · read 15 Oct 2026
- Cookie monitoring
- Cookie Monitoring checks data quality and integrity across browsers and helps users manage cookies.addingwell.com · read 4 Oct 2026
- Data control
- The product advertises flexible hosting regions, GDPR-oriented controls and a proxy for controlling which data is sent and where.addingwell.com · read 15 Oct 2026
- Data monitoring
- Data Monitoring provides insights into sent data to help users assess its accuracy and reliability.addingwell.com · read 4 Oct 2026
- Documentation depth
- The documentation includes setup, ad-blocker bypass, Safari ITP, consent, monitoring, logs, offline events, margin optimization, alerts and many destination-specific tutorials.docs.addingwell.com · read 15 Oct 2026
- Independent implementation note
- An Unnest implementation guide says installing the Shopify app is quick but still requires additional configuration of the data layer, checkout pixel and logs.insights.unnest.co · read 15 Oct 2026
- Infrastructure
- Addingwell advertises multi-region infrastructure and a 99.99% uptime guarantee for each operating region.addingwell.com · read 15 Oct 2026
- Integrations
- Documentation covers Meta CAPI, Google Ads, TikTok Events API, Snapchat CAPI, Pinterest CAPI, LinkedIn CAPI, Awin, Twitter, Piano, Matomo and CJ Affiliate.docs.addingwell.com · read 15 Oct 2026
- Licence
- Addingwell's website terms grant only a temporary personal, non-commercial viewing licence and prohibit copying, commercial use and reverse engineering of site materials.addingwell.com · read 15 Oct 2026
- Limit: duplicate events
- A Shopify App Store reviewer warned that event configuration can create duplicate tracking and required setting GTM events to fire once per page.apps.shopify.com · read 15 Oct 2026
- Limit: perceived value
- One Trustpilot reviewer said they initially considered cancelling because the service's value was not clear before receiving extensive support.trustpilot.com · read 15 Oct 2026
