API Server Response Status

Please read the original http 1.1 header status code spec first.

ref:

• http status codes for beginners
• msdn
• amazon errors
• webdev
• 302 vs 303 vs 307
• 401 vs 403
• 409 vs 412
• no record found

Header Status Code

We can specified more details in the json response body status feild.

200 OK

• mostly for get request

201 Created

• data created.

204 No Content

• data deleted.
• record( in the database ) not found.

302 Found

• request redirect

304 Not Modified

• from cache

400 Bad Request

• validation err
• wrong param format. Ex. wrong _id format or too long.
• request param missing.

401 Unauthorized

• need to login
• user_id & password does not match.
• user_id & token does not match.

403 Forbidden

• user has no right to access the resource.

404 Not Found

• resource not found

409 Conflict

• duplicate data.
• validation error - required field should be unique. Ex. email is taken.

412 Precondition Failed

• request param missing for get only, # deprecated.

500 Internal Server Error

• some shit happened.