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Technologies / AgentMail / OpenAI

Companies using AgentMail and OpenAI

7 companies in our data have public evidence for both AgentMail and OpenAI, and 4 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

7companies use both
88%of AgentMail users
under 1%of OpenAI users
4name both as subprocessors

Companies using one are 6.3 times as likely as the average company in our data to show evidence of the other.

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyAgentMailOpenAI
Appy.AIAppy.AI provides AI coworkers that handle business tasks for marketing, sales, finance, and operations teams.AI and machine learningProductivity and collaboration
Foundablefoundable.comFoundable provides an AI employee called Ted that builds a website, logo and email from an idea and then helps run the business, including outreach, posts and payments.AI and machine learning
Luaheylua.aiLua provides a workspace where people and AI agent teams work together, with agents doing tasks in connected tools and asking for human approval before important actions.AI and machine learningProductivity and collaboration
Type.comType.com is an agent orchestrator for running Claude Code and Codex on a fleet of cloud computers.AI and machine learning
itemitem.appItem provides an AI-native CRM that unifies company context from over 100 tools and lets teams and AI agents work side by side.AI and machine learningProductivity and collaboration
Agent Plannersagentplanners.comAgent Planners runs marketing and growth tasks across connected ad and analytics platforms on its own, planning, executing and reviewing within spend caps and protected campaigns.AI and machine learningMarketing
Pay With Locuspaywithlocus.comLocus provides paid API access to a catalog of agent tools, with billing and credit balances managed per customer.AI and machine learningDeveloper tools

The two technologies

AgentMail

Email and communications

AgentMail is an email service that gives AI agents their own inboxes, which can be provisioned through an API call. It is used so that agents can send, receive, and reply to email, with threads and attachments kept under one conversation.

Summarized from agentmail.to on 8 Nov 2026.

88% of the 8 companies we see using AgentMail also show the other.

All 8 companies using AgentMail6 name it as a subprocessorMore in Email and communications

OpenAI

AI and LLM providers

OpenAI is a platform that provides an API for building with OpenAI models. It is used to access models, tools, and services for tasks such as text generation, image generation, audio, and agents.

Summarized from developers.openai.com on 8 Nov 2026.

under 1% of the 3,285 companies we see using OpenAI also show the other.

All 3,285 companies using OpenAI2,522 name it as a subprocessorMore in AI and LLM providers

Industries

Among the companies above, by our own classification of their homepage.

AI and machine learning7Productivity and collaboration3

Other pairs

Companies with their own evidence for both.

More with AgentMail

Cloudflare8companiesGoogle8companiesAnthropic7companiesGoogle Workspace7companiesStripe7companiesPostHog6companies

More with OpenAI

Cloudflare3,268companiesGoogle Workspace2,464companiesAnthropic1,987companiesAmazon Web Services1,885companiesStripe1,638companiesGoogle1,541companies

Questions

How many companies use both AgentMail and OpenAI?

7 companies in StrataDB's data have public evidence for both, and 4 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use AgentMail and OpenAI?

Appy.AI, Foundable, Lua, Type.com and item, and 2 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses AgentMail and OpenAI?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using AgentMail and OpenAI

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call