id5.io

What It Is

ID5 is an Adaptive Identity solution for the digital advertising ecosystem, with core products including ID5 ID and ID5 Graph. It aims to consolidate fragmented advertising signals into a scalable identity framework, helping ads remain addressable and measurable across channels while reducing identity fragmentation caused by missing cookies, non-logged-in users, and cross-device environments.

Core Features and Data Scale

Based on the available text, ID5’s key capabilities include audience targeting and retargeting, first- and third-party data activation, ad delivery and frequency optimization, performance measurement, and attribution. ID5 Graph can resolve identities at the device, individual, and household levels to help understand users’ digital footprints. Its ID5 ID uses machine learning to connect multiple consented signals and generate a persistent universal identifier. In terms of scale, the company claims this alternative ID can be used across 100k+ media properties worldwide and major platforms, supporting channels such as web, in-app, CTV, and audio.

Pricing, Integration, and Support

The crawled content does not disclose its pricing model, plans, minimum spend, or whether billing is based on traffic, ID resolution volume, media revenue share, or another metric. It also does not mention a free trial. On integration, the information only confirms that it is designed for use with major platforms and media properties; there is no clear detail on APIs, SDKs, tag deployment, server-side integration, or a list of specific partner platforms. Support channels, SLA, customer success services, and regional support are also not clearly stated.

Pros and Cons

Its strengths are clear positioning and coverage across multiple parts of the advertising workflow, including ad delivery, data activation, measurement, and monetization. It supports multiple channels such as web, apps, CTV, and audio, and emphasizes consented signals and privacy preferences, making it a relevant identity alternative for the post-cookie era. The main drawbacks are that the public-facing materials are relatively marketing-oriented and lack performance data, regional coverage details, integration requirements, pricing, and support information, so further validation is needed before procurement.

Who It’s For and Access from China

ID5 is better suited to ad tech platforms, publishers, programmatic advertising teams, brand-side data teams, or growth teams that need cross-channel identity resolution. For small businesses or teams focused only on basic SEO/marketing, it may be too oriented toward advertising infrastructure. Access from mainland China, payment methods, and local compliance adaptation are not covered in the available text, so its China accessibility is unknown. If a China-usable alternative is required, local ad platform identity solutions or data management platforms should be evaluated first.