curl --request POST \
  --url https://{your-subdomain}.neetoform.com/api/external/v2/forms/{form_id}/thank_you_pages \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <x-api-key>' \
  --data '
{
  "thank_you_page": {
    "title": "Pricing",
    "description": "<string>",
    "kind": "redirect_to_url",
    "message": "<p>Thanks for your response.</p>",
    "redirect_url": "https://example.com/pricing",
    "show_redirect_message": true,
    "redirect_message": "<h2>Thank you.</h2>",
    "pass_event_details_to_redirect_url": true,
    "social_sharing_enabled": true,
    "show_resubmit_link": true,
    "resubmit_link_text": "Click here to submit another response",
    "primary": true
  }
}
'

const options = {
  method: 'POST',
  headers: {'X-Api-Key': '<x-api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    thank_you_page: {
      title: 'Pricing',
      description: '<string>',
      kind: 'redirect_to_url',
      message: '<p>Thanks for your response.</p>',
      redirect_url: 'https://example.com/pricing',
      show_redirect_message: true,
      redirect_message: '<h2>Thank you.</h2>',
      pass_event_details_to_redirect_url: true,
      social_sharing_enabled: true,
      show_resubmit_link: true,
      resubmit_link_text: 'Click here to submit another response',
      primary: true
    }
  })
};

fetch('https://{your-subdomain}.neetoform.com/api/external/v2/forms/{form_id}/thank_you_pages', 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}/thank_you_pages"

payload = { "thank_you_page": {
        "title": "Pricing",
        "description": "<string>",
        "kind": "redirect_to_url",
        "message": "<p>Thanks for your response.</p>",
        "redirect_url": "https://example.com/pricing",
        "show_redirect_message": True,
        "redirect_message": "<h2>Thank you.</h2>",
        "pass_event_details_to_redirect_url": True,
        "social_sharing_enabled": True,
        "show_resubmit_link": True,
        "resubmit_link_text": "Click here to submit another response",
        "primary": True
    } }
headers = {
    "X-Api-Key": "<x-api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "thank_you_page": {
    "id": "0b3c5a52-7a0e-4f2b-9d57-3d6a1a2f9c11",
    "title": "Pricing",
    "description": "",
    "kind": "redirect_to_url",
    "primary": false,
    "message": "",
    "redirect_url": "https://example.com/pricing",
    "show_redirect_message": false,
    "redirect_message": "<h2>Thank you.</h2>",
    "pass_event_details_to_redirect_url": false,
    "social_sharing_enabled": false,
    "show_resubmit_link": false,
    "resubmit_link_text": "Click here to submit another response",
    "created_at": "2023-11-07T05:31:56Z"
  }
}

{
  "error": "<string>"
}

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

{
  "error": "Redirect url can't be blank"
}