Get custom field

GET https://app.sendapp.ai/api/contact-fields/{id}

Returns a single custom field with all its settings.

Common errors: 401 if the API key is missing or wrong — 403 if the plan has expired or does not include API access — 429 if you send too many requests in a short time: try again after a few seconds.

Parameters

2 · 2 required

apikey required

Your API Key (the X-API-Key header also works).

id required

Field ID (integer, in the path). Use GET /api/contact-fields to find it.

Need help with the integration? info@sendapp.live

Request

curl 'https://app.sendapp.ai/api/contact-fields/13' \
  -H 'X-API-Key: YOUR_API_KEY'

<?php
$ch = curl_init('https://app.sendapp.ai/api/contact-fields/13');
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => ['X-API-Key: YOUR_API_KEY'],
]);
echo curl_exec($ch);
curl_close($ch);

const res = await fetch('https://app.sendapp.ai/api/contact-fields/13', {
  headers: { 'X-API-Key': 'YOUR_API_KEY' }
});
console.log(await res.json());

Response

{
  "status": "success",
  "field": {
    "id": 13,
    "name": "Size",
    "type": "select",
    "options": ["S", "M", "L"],
    "ai_prompt": null,
    "show_in_list": false,
    "visible_to_ai": true,
    "is_required": true,
    "sort_order": 1,
    "created_at": "2026-10-29 10:05:00",
    "updated_at": "2026-10-29 10:05:00"
  }
}

{
  "status": "error",
  "message": "Custom field not found."
}