The Stack Index / Source / ContactOut

Source · serves Identity

ContactOut

ContactOut is used in the source layer by 1 operator documented on GTM Vault, including Charles Cormier, TopLeads, where it ran as the contact data alongside Apollo.

Updated 13 May 2025, the date of the latest episode or confirmation citing ContactOut. Cite as: GTM Vault, The Stack Index, “ContactOut”, https://pro.gtmvault.co/stack/tool/contactout, updated 13 May 2025.

LayerSource
ServesIdentity
Entry tierSelf-serve
Operators1
Essays—

Who named it, and what it did

One entry per episode. Mentions in passing, sponsor reads and guest biographies are not counted.

See which stacks this tool shows up in next

Every Show Me Your Stack episode adds operators and tools to this index. Subscribe to GTM Vault and get each one as it lands.

Runs alongside

Tools that appear in the same operators’ stacks as ContactOut. The count is how many of those operators run both.

Others in source

Are you ContactOut? Show the record

The badge states the record and nothing more: how many operators named ContactOut on GTM Vault. It updates itself when the count changes. It is free, it changes nothing about placement or order, and the only condition is that it links back to this page.

ContactOut: named by 1 operator on the GTM Vault Stack Index
<a href="https://pro.gtmvault.co/stack/tool/contactout"><img src="https://pro.gtmvault.co/stack/badge/contactout.svg" alt="ContactOut: named by 1 operator on the GTM Vault Stack Index" height="28"></a>

Common questions

Which operators use ContactOut?
1 operator on GTM Vault has described running ContactOut in a working system: Charles Cormier (TopLeads). Each entry is one citation per episode, in the operator's own words. Charles Cormier, TopLeads described it as the contact data alongside Apollo (GTM 19).
What layer of revenue architecture does ContactOut serve?
ContactOut is placed on the Source layer, which serves Identity in the eight-layer model of revenue architecture. Where raw records enter: companies, people, firmographics, scraped listings. Placement follows the job the tool did in an operator's system, not the category its marketing claims.
What runs alongside ContactOut?
In the stacks of operators who run ContactOut, the tools that appear most often are Clay (1), Apollo (1), Instantly (1), Apify (1) and Namecheap (1). The number is how many of those operators run both.
What entry tier is ContactOut?
ContactOut is listed at the self-serve tier. The index records budget as a posture (self-serve, mid-market, enterprise), not a price, because public pricing in this category is unreliable.

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