Web API responses keep changing and do not match documentation

jgr3go — Fri, 19 May 2017 16:10:30 GMT

I'm using the Square Web API for a product and the responses from the server keep changing, and don't match the documentation.

For example, from the documentation:

"If the transaction failed, the response will have the following parameters:

com.squareup.register.ERROR_CODE
com.squareup.register.ERROR_DESCRIPTION

And the responses I'm now getting in production:

com.squareup.pos.ERROR_CODE=com.squareup.pos.ERROR_USER_NOT_LOGGED_IN&com.squareup.pos.ERROR_DESCRIPTION=The%20merchant%20must%20be%20logged%20in

With no API version change the responses are different than they used to be.

Am I the only one using this API in production? Is this a beta version of an API? How is this acceptable?

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Web API responses keep changing and do not match documentation