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Not able to run CircleCI endpoint from Airtable scripting app nor app (custom block)

Topic Labels: Custom extensions
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Hi guys,

I was trying to call my CircleCI endpoint from the custom app which contains only one single button with the following request:

 const deploy = async () => {
  const url = '';
  const token = 'asdasdsa21321423141adasdas';
  const body = {
    branch: 'branchName',

  try {
    const response = await fetch(url, {
      method: 'post',
      body: JSON.stringify(body),
      referrer: '',
      headers: {
        'Content-Type': 'application/json',
        Accept: 'application/json',
        'Circle-Token': token,
    const data = await response.json();
    console.log('response data', data);
  } catch (error) {
    console.log('error', error);

As a result, I am getting an error:

Access to fetch at ‘’ from origin ‘’ has been blocked by CORS policy: Response to preflight request doesn’t pass access control check: No ‘Access-Control-Allow-Origin’ header is present on the requested resource. If an opaque response serves your needs, set the request’s mode to ‘no-cors’ to fetch the resource with CORS disabled.

Then, I added mode: 'no-cors', in the request options and again getting another error:

POST net::ERR_ABORTED 404 (Not Found).

Also, I tried the same thing using a scripting app but facing the same errors.

Any idea about this? Thank you in advance.

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