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POST
/
messages
/
{messageId}
/
reply
cURL
curl -X POST 'https://api.nuntly.com/messages/imsg_01kabn43yqyxn2bx4ve84mczd3/reply' \
  -H 'Authorization: Bearer apk_xxx' \
  -H 'Content-Type: application/json' \
  -d '{"text":"Thank you for signing up! Please verify your email address.","html":"<h1>Welcome</h1><p>Thank you for signing up! Please verify your email address.</p>","replyAll":false}'
{
  "data": {
    "id": "<string>",
    "threadId": "<string>",
    "messageId": "<string>",
    "subject": "<string>"
  }
}

Authorizations

Authorization
string
header
required

Use an API key from https://nuntly.com/dashboard/api-keys. Required on every endpoint.

Headers

Idempotency-Key
string

Unique key to ensure the request is processed at most once. UUIDv4 recommended.

Required string length: 1 - 255

Path Parameters

messageId
string
required

The RFC 5322 Message-ID header.

Body

application/json
replyAll
boolean
required

Whether to reply to all recipients.

text
string

The plain text body.

Example:

"Thank you for signing up! Please verify your email address."

html
string

The HTML body.

Example:

"<h1>Welcome</h1><p>Thank you for signing up! Please verify your email address.</p>"

Response

Request accepted.

data
object
required