curl --request POST \
  --url https://{your-subdomain}.neetoform.com/api/external/v2/forms/{form_id}/email_invitations \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <x-api-key>' \
  --data '
{
  "emails": [
    "oliver@example.com",
    "sam@example.com"
  ],
  "email_subject": "Please share your feedback",
  "email_body": "<p>Please take a few minutes to share your feedback.</p>",
  "start_survey_button_text": "Get started",
  "reply_to_email": "support@example.com",
  "send_from_email": "forms@example.com",
  "send_at": "2026-11-01T10:00:00Z"
}
'

const options = {
  method: 'POST',
  headers: {'X-Api-Key': '<x-api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    emails: ['oliver@example.com', 'sam@example.com'],
    email_subject: 'Please share your feedback',
    email_body: '<p>Please take a few minutes to share your feedback.</p>',
    start_survey_button_text: 'Get started',
    reply_to_email: 'support@example.com',
    send_from_email: 'forms@example.com',
    send_at: '2026-11-01T10:00:00Z'
  })
};

fetch('https://{your-subdomain}.neetoform.com/api/external/v2/forms/{form_id}/email_invitations', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://{your-subdomain}.neetoform.com/api/external/v2/forms/{form_id}/email_invitations"

payload = {
    "emails": ["oliver@example.com", "sam@example.com"],
    "email_subject": "Please share your feedback",
    "email_body": "<p>Please take a few minutes to share your feedback.</p>",
    "start_survey_button_text": "Get started",
    "reply_to_email": "support@example.com",
    "send_from_email": "forms@example.com",
    "send_at": "2026-11-01T10:00:00Z"
}
headers = {
    "X-Api-Key": "<x-api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "form_id": "6f1c2a8e-4d1b-4f6e-9a57-2f0f3c1d9b10",
  "emails": [
    "oliver@example.com",
    "sam@example.com"
  ],
  "send_at": "2026-11-01T10:00:00Z"
}

{
  "error": "Form does not exist."
}

{
  "error": "Not a valid email address: oliver@. No invitation was sent"
}