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Trying to update a data field on a lead record in Marketo. Using C#. I send:
{"action":"updateOnly","input":[{"email":"[email protected]","leadQuality":"Hot"}]}
And get back:
{"requestId":"d98e#14b2d7dd1f3","success":false,"errors":[{"code":"612","message":"Invalid Content Type"}]}
Why the Invalid Content type message? The field leadQuality is legit. The email address exists. I've tried a number of different fields and always the same message. Access token is good too.
535
The Content-Type header is used to indicate the media type of the resource. The media type is a string sent along with the file indicating the format of the file. For example, for image file its media type will be like image/png or image/jpg, etc. In response, it tells about the type of returned content, to the client.
Definition of a Content Type. In technical terms, a Content Type is a reusable collection of metadata for a category of content, with its corresponding taxonomies that allows you to manage information in a centralized, reusable way.
The content type status, part of an HTTP header, can tell a browser what type of content, e.g. a PNG image or an HTML page, is being transmitted. This will affect the way a browser will process the file.
The default content type is usually “application/octet-stream” with the most generic MIME/type definition. The MIME/type is appropriate for any content type a web server is likely to serve.
Content-Type is a HTTP header. Usually, you set it to application/json for REST calls.
You should do this in the code where you generate the HTTP request or REST call.
I found text/json as Content-Type and Accept header value in one of the marketo examples. You might try one of the two choices.
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