Laying out the streets…STEP 1 OF 3

OpenMail · Office #62,000

Give your AI agents an identity through email

In the Building and consuming APIs neighborhood (Developer). In town since 4 Nov 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

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What Tablif read on OpenMail's site

OpenMail describes itself as: “OpenMail — Email API for AI Agents: Inboxes, Webhooks & Delivery”

Where it puts itself

Positions itself as an alternative to Nylas. Claims “Best email API for AI agents”. Rules out “credit card”. Publishes a comparison page.

  • Alternative to: Nylas
  • Superlative claim: Best email API for AI agents
  • Says it will not: credit card
“Email APIs were built to blast. OpenMail is built for the reply.”
“OpenMail vs Nylas”

What it costs

Monthly subscription. A free tier, free forever. Has an enterprise plan. Sales on request. 5 prices listed on its pages, from €0 to €9.

  • Monthly: yes
  • Free plan: free forever
  • Price: 5 prices, from €0 to €9
  • Enterprise plan: yes
  • Contact sales: yes
“€0.001/email”
“€0.10/GB”
“€1/inbox”

Who it sells to

Sells to developers. Built for small businesses. Made for Developer. Available in 2 languages.

  • Sells to: developers
  • Company size: small businesses
  • Made for: Developer
  • Languages: Python · TypeScript
“Developers building AI agents, and the agents themselves. If your agent needs an email address, OpenMail is the email layer.”
“Building an agent startup? € 500 in credit.”

How it runs

A API and command-line tool. Hosted in the cloud. Distributed through the npm. Offers an API. AI is the core of the product. You can bring your own API key. Built with Google Analytics.

  • Kind: api · cli
  • Runs where: cloud / hosted
  • Distributed via: npm
  • API: yes
  • AI role: core to the product
  • Bring your own key: yes
  • Analytics: Google Analytics
“Or hit the REST API directly and take replies over WebSocket.”
“Install the OpenMail CLI with npm install -g @openmail/cli , run openmail init , and your agent has an inbox in under a minute.”

What it works with

Analyzes / reviews Amazon SES, Mailgun and Nylas. Plugin for ChatGPT, Hermes and OpenClaw. Names Claude Code on its pages.

  • Analyzes / reviews: Amazon SES · Mailgun · Nylas
  • Plugin for: ChatGPT · Hermes · OpenClaw
  • Names: Claude Code
“OpenMail vs Mailgun vs Amazon SES”
“Now in the ChatGPT plugin directory →”

What it offers as proof

Live, no waitlist. Compliance: GDPR. Try it without signing up. Publishes docs and a blog.

  • Compliance: GDPR
  • Instant signup: yes
  • Trial asks for: nothing
“Start for free”
“No credit card required · Cancel anytime”

Sources

Tablif read these pages, last on 4 Nov 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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