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AgentMail
Email inboxes for AI agents, built on one API call · Agent frameworks & AI gateways

Who uses AgentMail?

On usedby, 13 companies use AgentMail, including Replit, AgentCard by Alchemy, and AiSDR. All 13 are shown by AgentMail on its own pages. Every company links to the public page that names it.

2 public sources
See the 13 companiesCompareagentmail.to
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Customers

13 companies, each with its public proof

Strongest proof first. Open a company to see the page that names it, and when we captured it.

Companies that use AgentMail, with proof level, first public proof and source
CompanyIndustryProofFirst public proofSource
ReplitDevTools & InfrastructureObserved—agentmail.to
AgentCard by Alchemy—Observed—agentmail.to
AiSDRSales Tech & CRMObserved—agentmail.to
AlchemyCrypto & Web3Observed—agentmail.to
Browser Use—Observed—agentmail.to
EveLegal & ComplianceObserved—agentmail.to
FactoryDevTools & InfrastructureObserved—agentmail.to
Lanesurf—Observed—agentmail.to
OpendoorPropTech & ManagementObserved—agentmail.to
Polsia—Observed—agentmail.to
Prime IntellectArtificial IntelligenceObserved—agentmail.to
SalientFintech & PaymentsObserved—agentmail.to
ClaySales Tech & CRMObserved—agentmail.to
Results

What customers say AgentMail changed

Figures and quotes as AgentMail and its customers published them, each tied to its source. We quote, we do not measure the result.

“Email is a natural next step for agents that already get real work done in the browser, and AgentMail made it effortless to add. The team is great to work with, genuinely fun, and incredibly responsive.”
Magnus MullerCo-founder and CEO, Browser Use
Named quote, captured Oct 25, 2026 · Source
“AgentMail is the modern AI-native email solution we were looking for. They are far and away the best email provider in the space today!”
Yan LhertDiscipline Lead, Engineering, Opendoor
Named quote, captured Oct 25, 2026 · Source
“I haven't been this excited about an integration in a long time. This is going to open up a ton of really cool use cases for Clay.”
AlexGTM Engineering, Clay
Named quote, captured Oct 25, 2026 · Source
Where it’s used

Is AgentMail used in companies like yours?

By industry

7 industries among 13 customers.

Before you buy

What AgentMail does, and what to check

What AgentMail does

Email inbox API for AI agents. Provision inboxes with one API call, then send, receive, and thread messages with Python and TypeScript SDKs. SOC 2 Type II.

Written by usedby from agentmail.to.

Questions to ask in your demo

  1. Which of your customers look like us, by industry and size?
  2. What does a pilot cost, and what decides the move to a full contract?
  3. Where is our data stored, who can access it, and is it used to train models?
  4. How does AgentMail work with the tools we already use?
Alternatives

AgentMail alternatives, by public customers

Same or competing category, from another vendor. Every proof level counts.

All AgentMail alternatives →
Agent frameworks & AI gateways ranking →
FAQ

Questions about AgentMail

Who uses AgentMail?

13 companies use AgentMail (13 observed), including Replit, AgentCard by Alchemy, and AiSDR.

What are the alternatives to AgentMail?

Ranked by public customers (every proof level counts, job posts included), the top AgentMail alternatives are Braintrust (44 customers, 2 shared), LangSmith (43 customers, 2 shared), Arize AI (37 customers, 0 shared), and LangChain (35 customers, 2 shared). See all AgentMail alternatives.

How does usedby know who uses AgentMail?

Each company is linked to a public page that names it: AgentMail's customer page, a published case study, a press release or a job post. We save most pages with a dated capture and check them again on each run. A company leaves the list only after three checks in a row that no longer find it, and at least 14 days after it was last seen. A company with a published case study or quote is never removed automatically.

What do confirmed, observed and signal mean?

Confirmed (0): a case study, a named quote or a press release. Observed (13): AgentMail shows the company on its own pages, for example a logo wall. Signal (0): a job post shows the company’s employees use AgentMail, the weakest proof. Every level counts as a customer, and each line shows its level.

How current is this list?

The most recent check was on October 25, 2026, and 13 of 13 companies on this list have been checked so far. A company leaves the list only after three checks in a row that no longer find it, and at least 14 days after it was last seen. A company with a published case study or quote is never removed automatically.

Sources

Where this data comes from

One proof level

Observed · 13AgentMail shows the company on its own pages.

Main sources

How we check →

Cite this page

usedby (2026). Who uses AgentMail? 13 companies. Retrieved from https://www.usedby.ai/tools/agentmail, latest check October 25, 2026.