The Stack Index / Enrichment and Resolution
serves Identity
Enrichment and Resolution
Waterfall enrichment, dedupe, entity matching across sources.
Where a stack stops being a pile of subscriptions.
Updated 8 Sep 2026, the date of the latest episode citing a tool in this layer. Cite as: GTM Vault, The Stack Index, “Enrichment and Resolution”, https://pro.gtmvault.co/stack/layer/enrichment-and-resolution, updated 8 Sep 2026.
Common questions
- What is the Enrichment and Resolution layer?
- Waterfall enrichment, dedupe, entity matching across sources. It serves Identity in the eight-layer model of revenue architecture. Where a stack stops being a pile of subscriptions.
- Which tools do operators run in the Enrichment and Resolution layer?
- 2 tools are placed in the Enrichment and Resolution layer, 2 of them named by an operator running them in a working system. The most-named are Clay (7 operators) and BetterContact (1 operator).
- How does a tool get placed in the Enrichment and Resolution layer?
- A tool is placed by the function it performed in a named operator's system, described on a Show Me Your Stack or GTM Vault Podcast episode, or by a GTM Vault essay recommendation. The two grades are shown separately and never blended. Placement is not for sale.
Counted with the layers next to it
The enrichment and resolution layer is one part of a working system. These pages rank every tool across this layer and the ones it runs with, by how many operators described running each.
The tools GTM engineers run, by operator count · The enrichment and data tools operators run, by operator count · The outbound tools operators run, by operator count
New operator stacks, as they are published
Every Show Me Your Stack episode adds operators and tools to this index. Subscribe to GTM Vault and get each one as it lands.