Start sending in two minutes

1Create an API key

curl -X POST https://api.acme.dev/keys

2Send your first email

acme.emails.send({ to: 'delivered@acme.dev' })

3Watch it arrive

// dashboard → activity → delivered ✓

SDKs & integrations

Node.jsServerlessRubyPythonPHPCLIGoRustJavaElixir.NETRESTSMTPNext.jsRemixNuxtExpressHonoRedwoodBunAstro

POST /emails — full referenceapi.acme.dev

{
  "from": "onboarding@acme.dev",
  "to": ["delivered@acme.dev"],
  "subject": "Hello World",
  "html": "<strong>it works!</strong>",
  "reply_to": "support@acme.dev",
  "tags": ["welcome"],
  "scheduled_at": "2026-10-01T09:00:00Z"
}