Getting: Not found because of proxy error: Error: socket hang up about cors-anywhere HOT 7 CLOSED

i am using https://cors-anywhere.herokuapp.com/ with port 443. I get "Not found because of proxy error: Error: connect ECONNREFUSED" when not using port 443

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How to reproduce? curl https://cors-anywhere.herokuapp.com/ gives a succesful response.

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https://cors-anywhere.herokuapp.com/api.bufferapp.com/1/profiles.json?access_token=[for security purposes I emailed you this]

I performed a GET request and got: "Not found because of proxy error: Error: connect ECONNREFUSED." Note that I successfully made that request via JSONP.

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Reproduced error on the live server.
When I launch a local instance of Cors Anywhere (on localhost:8080, node server.js), the API call completes successfully.
When I create a new Heroku instance, the API call also works as intended.
Did you make an excessive number of API calls to buffer? Perhaps they've (temporarily) blocked my server.

Try out https://cors-anywhere-eu.herokuapp.com/. The source code is identical to cors-anywhere.herokuapp.com, but it's hosted in Europe instead of the US. To try out:

1. Visit https://robwu.nl/cors-anywhere.html.
2. Open the JavaScript console and set cors_api_url = 'http://cors-anywhere-eu.herokuapp.com/';
3. Paste the URL in the textbox at the top and click on GET.

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Ok, that does indeed work. When I use the European server in Fiddler, however, I still get the error (Not found because of proxy error: Error: connect ECONNREFUSED). Do you have any idea why this happens?

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It appears that the Buffer API cannot be accessed over http. Calling the Buffer API without any proxies also results in an error if you use http:

$ curl -vv 'http://api.bufferapp.com/1/profiles.json?access_token=[api key here]' -H 'X-Requested-With: Whatever'
* Hostname was NOT found in DNS cache
* Adding handle: conn: 0x7ca560
* Adding handle: send: 0
* Adding handle: recv: 0
* Curl_addHandleToPipeline: length: 1
* - Conn 0 (0x7ca560) send_pipe: 1, recv_pipe: 0
*   Trying 54.225.178.31...
* connect to 54.225.178.31 port 80 failed: Connection refused
* Failed to connect to api.bufferapp.com port 80: Connection refused
* Closing connection 0
curl: (7) Failed to connect to api.bufferapp.com port 80: Connection refused

To solve the problem, don't omit the scheme (https) and use the full URL.

https://cors-anywhere-eu.herokuapp.com/https://api.bufferapp.com/1/profiles.json?access_token=[api key here]

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That works! I think they changed something recently since I used to be able to use a proxy without adding the scheme. Nevertheless, I appreciate your help.

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