Return 400 instead of 405 for invalid input #56
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405 is "Method Not Allowed" which seems unlikely to be what we want. A generic 400 "Bad Request" seems like a better status for our documented message of "Invalid input". I was also inclined to combine some of these 400 "Invalid ID supplied" statuses into the 404s defined for the same method, but I understand that the 400 is probably meant to say "you passed a non-int id, so I'm not going to bother looking for your resource" as opposed to "I looked for your resource but couldn't find it".
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405 is "Method Not Allowed" which seems unlikely to be what we want. A generic 400 "Bad Request" seems like a better status for our documented message of "Invalid input".
I was also inclined to combine some of these 400 "Invalid ID supplied" statuses into the 404s defined for the same method, but I understand that the 400 is probably meant to say "you passed a non-int id, so I'm not going to bother looking for your resource" as opposed to "I looked for your resource but couldn't find it".