Send transactional email

Send a single transactional email with text, HTML, or template content.

Use this endpoint for:

• Order confirmations

• Password reset emails

• Account notifications

• Welcome emails

• System alerts

post

Authorizations

Api-TokenstringRequired

API token in Api-Token header

Body

or

or

or

Responses

200

Email successfully sent

application/json

successbooleanOptionalExample: true

message_idsstring[]Optional

Message IDs (one per recipient)

Example: 0c7fd939-02cf-11ed-88c2-0a58a9feac02

400

Bad request. Fix errors listed in response before retrying.

application/json

401

Unauthorized. Check your API credentials.

application/json

403

Forbidden. Verify domain or check permissions.

application/json

500

Internal server error. Retry later or contact support.

application/json

post/api/send

curl -X POST https://send.api.mailtrap.io/api/send \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "from": {"email": "[e-mail]"},
    "to": [{"email": "[e-mail]"}],
    "subject": "Hello from Mailtrap",
    "text": "Welcome to Mailtrap!"
  }'

{
  "success": true,
  "message_ids": [
    "0c7fd939-02cf-11ed-88c2-0a58a9feac02"
  ]
}