Status codes - TMDB-API-Docs

Success Codes

Codes	Status Codes	Message
1	200	Success.
12	201	The item/record was updated successfully.
13	200	The item/record was deleted successfully.
21	200	Entry not found: The item you are trying to edit cannot be found.
40	200	Nothing to update.

Codes	Status Codes	Message
2	501	Invalid service: this service does not exist.
3	401	Authentication failed: You do not have permissions to access the service.
4	405	Invalid format: This service doesn’t exist in that format.
5	422	Invalid parameters: Your request parameters are incorrect.
6	404	Invalid id: The pre-requisite id is invalid or not found.
7	401	Invalid API key: You must be granted a valid key.
8	403	Duplicate entry: The data you tried to submit already exists.
9	503	Service offline: This service is temporarily offline, try again later.
10	401	Suspended API key: Access to your account has been suspended, contact TMDB.
11	403	Duplicate entry: The data you tried to submit already exists.
12	503	Service offline: This service is temporarily offline, try again later.
13	401	Suspended API key: Access to your account has been suspended, contact TMDB.
14	500	Internal error: Something went wrong, contact TMDB.
16	401	Device denied.
17	401	Session denied.
18	400	Validation failed.
19	406	Invalid accept header.