mails.ai
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Send without creating an agent first

Creating an agent used to be a required step before anything worked. It is not any more: put "from": "hello" on a send and hello@yourworkspace.mails.ai is used. Signup creates that agent for you, and on a paid plan a new name creates another one on the spot.

The mails.ai team

The API keys page with two live keys and one test key
curl -X POST https://api.mails.ai/v1/messages \
  -H "Authorization: Bearer mk_live_..." \
  -d '{"from":"hello","to":"lead@example.com",
       "subject":"Demo confirmation",
       "body_text":"Confirmed for Tuesday at 2pm ET."}'

The same release put the fast path everywhere a newcomer actually looks — the composer, the dashboard home, the keys page — so the shortest route to a working send is the one you meet first.

Create an API key

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