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What status code will you get for a successful API call?
REST API – Response Codes and Statuses
| Code | Status | Description |
|---|---|---|
| 200 | OK | The request was successfully completed. |
| 201 | Created | A new resource was successfully created. |
| 400 | Bad Request | The request was invalid. |
| 401 | Unauthorized | The request did not include an authentication token or the authentication token was expired. |
How does Web API handle HTTP status code?
In short, let’s remember the following things about HTTP status codes in Web API projects:
- Always return the appropriate status code, however you define “appropriate”.
- Use the shortcut methods (e.g. Ok() , NotFound() , etc.)
- An action that returns void will send status code 204 No Content.
How do I send HTTP status code in REST API?
Here’s how to do it:
- Check if the response is an exception or a normal response.
- If it’s a normal response just let the request go forward.
- In the example, a simple Deserialize works fine, but depending on your response, you may need a more complex parse.
- Check if the exception is a standard exception or a rich exception.
What are the status codes for API calls?
401 The access is not authorized. No extra information required on the response. 403 The access is forbidden and the response includes information on access denied. 503 Cannot do anything unless user login is validated and authorized ( service unavailable ). I’ve seen this kind of questions on technical tests for some job applications.
How is the status line used in a REST API?
REST APIs use the Status-Line part of an HTTP response message to inform clients of their request’s overarching result. A great amount of applications are using Restful APIs that are based on the HTTP protocol for connecting their clients.
When to tell client of failure of API call?
In all the calls, the server and the endpoint at the client both return a call status to the client which can be in the form of: The success of API call. Failure of API call. In both the cases, it is necessary to let the client know so that they can proceed to the next step.
Why does an API call have a 404 code?
It will first ask for credentials (that’s a 401 code) and if the credentials are successfully validated, a 404 code, because the resource is not found. For a server every endpoint is a resource, so every API call is also a resource request.