The send API your code can trust.

One REST endpoint, one key, and your mail is queued in milliseconds. Idempotent, batchable, fully typed, and tracked end to end — the boring reliability you want under a product.

# POST /v1/emails
curl https://api.drin.run/v1/emails \
  -H "Authorization: Bearer $DRIN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "from": "hello@drin.run",
    "to": "user@acme.com",
    "subject": "Welcome aboard",
    "html": "<p>You are in.</p>"
  }'

# → 202 Accepted
{ "id": "msg_8fK2q1", "status": "queued" }