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POST
/
newsletter
/
subscribe
curl -X POST https://api.example.com/newsletter/subscribe \
  -H "Content-Type: application/json" \
  -d '{
    "email": "user@example.com"
  }'

{
  "id": 42,
  "email": "user@example.com",
  "isActive": true,
  "createdAt": "2026-03-10T14:30:00.000Z"
}
Subscribe a new email address to receive newsletter updates. This is a public endpoint that does not require authentication.

​
Request Body

​
email
string
required
The email address to subscribe to the newsletter. Must be a valid email format.Validation:
  • Must be a valid email address
  • Cannot be empty

​
Response

​
id
integer
The unique identifier of the newsletter subscriber
​
email
string
The subscribed email address
​
isActive
boolean
Whether the subscription is active (defaults to true)
​
createdAt
string
ISO 8601 timestamp of when the subscription was created

​
Examples

curl -X POST https://api.example.com/newsletter/subscribe \
  -H "Content-Type: application/json" \
  -d '{
    "email": "user@example.com"
  }'

{
  "id": 42,
  "email": "user@example.com",
  "isActive": true,
  "createdAt": "2026-03-10T14:30:00.000Z"
}

​
Error Codes

Status CodeDescription
201Successfully subscribed to newsletter
400Invalid request body or email format
409Email address is already subscribed
500Internal server error

​
Notes

  • Email addresses are unique - attempting to subscribe the same email twice will result in a 409 Conflict error
  • Email validation follows standard RFC 5322 format
  • New subscriptions are automatically set to active status
  • This endpoint is public and does not require authentication