When you make an HTTP request, the Ubidots REST API returns the following response codes to help you understand the request status and troubleshoot errors:

Response Code	Description
200	`OK` -- Successful request
201	`Created` -- Successful request; an entity (Device or Variable) was created
202	`Accepted` -- The request has been accepted for processing, but processing has not been completed
204	`One of the fields is incorrect, and the request was not saved` -- Verify that it's a valid JSON string and that the fields are the ones expected by the endpoint (string, object, or float)
400	`Bad Request` -- Error due to an invalid body in your request. Verify that it's a valid JSON string and that the fields are the ones expected by the endpoint (string, object, or float)
401	`Invalid API key` -- Verify your API key
402	`Payment Required` -- Verify your balance
403	`Forbidden` -- This token is not valid. Verify your token
404	`Not Found` -- We couldn’t find the URL you're trying to access. This might be due to an incorrect device label or ID, an incorrect variable label or ID, or a typo in the request URL
405	`Method Not Allowed` -- This API endpoint does not accept the method used. Check our API docs to see the allowed methods
415	`Unsupported Media Type` -- The payload is in a format not supported by this method on the target resource
420	`You have exceeded your API limits` -- To upgrade your API limit, contact the Ubidots team
423	The device does not receive data because it is disabled
429	`Too Many Requests` -- Too many requests were sent in a given amount of time ("rate limiting")
50x	`Internal Error` -- We're having issues with our servers. Check our status page.