Shyft Score
Directory quality rating
55/100
Quiet
Our take
The verdict on First-id
AI-generated
First-id provides a consent-based, cross-device user identification layer designed for cookieless first-party data management. It addresses a real compliance need for advertisers and publishers managing audience identity without third-party cookies, though its value depends heavily on existing first-party data quality and partner network size.
Strengths
- Works across devices and domains without email or third-party cookies
- Built with GDPR compliance and explicit user consent as core requirements
- Enables persistent identification while maintaining anonymity
- Supports both audience targeting and ad measurement use cases
Limitations
- Requires sufficient first-party data collection upstream—tool alone cannot create data it doesn't receive
- Effectiveness limited by the size and relevance of partner websites in the network
- No information on implementation complexity, integration timelines, or required technical resources
Best for: Advertisers, publishers, and agencies with existing first-party data seeking cookieless targeting
Request a demo to evaluate First-id for your team.
See how First-id fits your stackBenefits
Why teams choose First-id
Works across devices and domains without email or third-party cookies
Built with GDPR compliance and explicit user consent as core requirements
Enables persistent identification while maintaining anonymity
Supports both audience targeting and ad measurement use cases
About
What is First-id?
First-id enables the identification of all consenting internet users across various devices and browsers, recognizing them on partner websites and offline. It is tailored for advertisers, publishers, agencies, and adtech companies seeking a compliant way to manage first-party data.
Key capabilities
Persistent, anonymous, and deterministic identification
Cross-domain and cross-device compatibility
GDPR compliance with user consent
No email or third-party cookies required
Tools for audience targeting and ad performance measurement
Pricing
First-id pricing
Contact First-id for pricing details
Contact sales for pricing details
Pricing and product details are aggregated from publicly available sources, may be outdated or inaccurate, and are not sourced from or endorsed by the vendor. Verify directly with the vendor before relying on this information. Terms
Ecosystem
Connected ecosystem
MCP servers, AI skills, and integrations that work with First-id
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AI & automation capabilities
REST APIN/A
MCP Server
WebhooksN/A
Free TierN/A
FAQs
Frequently asked questions
Common questions about First-id and its capabilities
First-id offers custom pricing based on your team size and requirements. Contact their sales team for a personalized quote. Many Data Management tools in this range offer free trials.
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