Angular is unable to validate the preflight response

I'm currently trying to run a test using the Apiary API like so:

 $scope.createAsset = function () {
 $http({
    method: 'POST',
    url: 'http://polls.apiblueprint.org/createStory',
    headers: {'Access-Control-Allow-Origin': '*'}
});
}

Here's the information from Apiary:

FORMAT: 1A
HOST: http://polls.apiblueprint.org/
# TestAPI
TestAPI is designed for simple testing purposes.

## Create story [/createStory]
### Create story [POST]

+ Response 200 (application/json)       
{
    "Status": "Story created successfully",
    "published_at": "2015-08-05T08:40:51.620Z",
    "publisher": "John Smith"
}

Despite setting the allow-origin, I'm still encountering an error.

Answer №1

It is essential to understand the concept of CORS: The Access-Control-Allow-Origin header originates from the server, not the client. Ultimately, it is up to the server to determine whether a cross-origin call is permitted.

No matter what you do in your client-side code, you cannot make a cross-origin call work if the server does not allow it.

Answer №2

In dealing with POST calls, it's not necessary to configure "Access-Control-Allow-Origin". Instead, consider double-checking the parameters you're sending as part of the request. Take a look at the API method specifications and make sure you have all the required parameters in your "@RequestParams". This adjustment should guide you in the right direction.

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