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POST
/
email
curl --request POST \
  --url https://api.jetemail.com/email \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "from": "John Doe <[email protected]>",
  "to": "[email protected]",
  "subject": "Test Email",
  "text": "Hello! This is a test email."
}
'
{
  "id": "19424fd2acd0004210",
  "response": "Message queued as 19424fd2acd0004210"
}

Documentation Index

Fetch the complete documentation index at: https://support.jetemail.com/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

Transactional key for sending emails. Use your transactional_ prefixed token.

Headers

​
Idempotency-Key
string

Opaque key (1–256 chars) that makes retries safe. A repeat with the same key and body replays the original response.

Required string length: 1 - 256

Body

application/json
​
from
string
required

Sender email address in format: "Name [email protected]"

Example:

"John Doe <[email protected]>"

​
to
required

Recipient email address(es)

Example:

"[email protected]"

​
subject
string
required

Email subject line

Minimum string length: 1
​
html
string

HTML content of the email. At least one of html or text is required. Can be used together with text to provide a plaintext alternative

​
text
string

Plaintext content of the email. At least one of html or text is required. When used with html, serves as the plaintext alternative

​
cc

CC recipient(s). Can be plain email or "Name [email protected]" format

​
bcc

BCC recipient(s). Can be plain email or "Name [email protected]" format

​
reply_to

Reply-to address(es). Can be plain email or "Name [email protected]" format

​
headers
object

Custom email headers

​
attachments
object[]

Email attachments (base64 encoded, max total size: 40MB)

​
eu
boolean

If true, restricts email delivery to EU region only.

Example:

false

​
scheduledAt

Future send time, up to 30 days out. Accepts unix seconds (e.g. 1762435200) or ISO 8601 (e.g. "2026-05-15T10:00:00Z" or "2026-05-15T10:00:00-04:00"). scheduled_at is also accepted as an alias.

Example:

1762435200

Response

Email queued successfully

​
id
string

Unique message ID

Example:

"19424fd2acd0004210"

​
response
string

Queue confirmation message

Example:

"Message queued as 19424fd2acd0004210"