Http-status-codes npm

What are HTTP status codes?

An HTTP status code is a message a website 's server sends to the browser to indicate whether or not that request can be fulfilled. Status codes specs are set by the W3C. Status codes are embedded in the HTTP header of a page to tell the browser the result of its request.

How to set status code in HTTP response node?

The res. sendStatus() function is used to set the response HTTP status code to statusCode and send its string representation as the response body.

What are 300 status codes?

The HTTP 300 Multiple Choices redirect status response code indicates that the request has more than one possible responses. The user-agent or the user should choose one of them. As there is no standardized way of choosing one of the responses, this response code is very rarely used.

What is 400 vs 404?

400 errors indicate an invalid request, which means either that mandatory parameters are missing, or that syntactically invalid parameter values have been detected (for example an expected URL being text only). 404 errors indicate that a requested API service cannot be found, or that a requested entity cannot be found.

When should I use 422 status code?

The HyperText Transfer Protocol (HTTP) 422 Unprocessable Entity response status code indicates that the server understands the content type of the request entity, and the syntax of the request entity is correct, but it was unable to process the contained instructions.

How do I set HTTP status?

To set a different HTTP status code from your Servlet, call the following method on the HttpServletResponse object passed in to your server: res. setStatus(nnn); where nnn is a valid HTTP status code.

How do I get my HTTP status code?

The Status-Code element in a server response, is a 3-digit integer where the first digit of the Status-Code defines the class of response and the last two digits do not have any categorization role. There are 5 values for the first digit: S.N. It means the request has been received and the process is continuing.

What is a 402 status code?

The HTTP 402 Payment Required is a nonstandard response status code that is reserved for future use. This status code was created to enable digital cash or (micro) payment systems and would indicate that the requested content is not available until the client makes a payment.

What is a 310 status code?

This return code typically indicates one of these: The value that you specified for the FILEFORMAT parameter does not match the actual format of the data file. Check that NEWLINE and its encoding values are correct if you specified FILEFORMAT=STREAM, or that the record length is correct for FILEFORMAT=RECORD,n.

What is a 424 status code?

The HTTP 424 Failed Dependency client error response code indicates that the method could not be performed on the resource because the requested action depended on another action, and that action failed. Regular web servers will normally not return this status code.

What is a 204 status code?

The HTTP 204 No Content success status response code indicates that a request has succeeded, but that the client doesn't need to navigate away from its current page. This might be used, for example, when implementing "save and continue editing" functionality for a wiki site.

What is HTTP 200 vs 201 vs 202?

200 Status Codes

201: “Created.” The server has fulfilled the browser's request, and as a result, has created a new resource. 202: “Accepted.” The server has accepted your browser's request but is still processing it. The request ultimately may or may not result in a completed response.

What is a 299 status code?

200-299: These are successful response codes that let you know your request was successfully processed. 300-399: These codes indicate that additional action is needed to complete the request, usually a redirection.

What is a 500 status code?

The HyperText Transfer Protocol (HTTP) 500 Internal Server Error server error response code indicates that the server encountered an unexpected condition that prevented it from fulfilling the request.

What is error 404 vs 405?

A 404 tells you that the requested URL couldn't be found or that it was entered incorrectly. A 405 error message, on the other hand, confirms that the requested page does exist (and the URL was input correctly), but an unacceptable HTTP method was used to make the initial request.

What is 400 vs 422?

400: when the request can't be processed because of invalid syntax (e.g. parsing error); 422: when the request can't be processed because of invalid data (e.g. validation error).

What is 404 vs 410?

“So 404 vs. 410 refers to an HTTP status code, so whenever the browser or Googlebot asks for page, the Web server sends back a status code – 200 might mean everything went totally fine, 404 means page not found, 410 typically means gone, as in the page is not found and we do not expect it to come back,” Cutts said.

What are 500 status codes?

The HTTP status code 500 is a generic error response. It means that the server encountered an unexpected condition that prevented it from fulfilling the request. This error is usually returned by the server when no other error code is suitable.

What are 400 status codes?

The HTTP status 400 – bad request indicates that the request sent to the server is invalid or corrupted. Just like other 4xx status codes, a 400 bad request is a client-side issue. It can be caused by malformed request syntax, invalid request message framing, or deceptive request routing.

What is meaning of HTTP status code 401 & 403?

401 Unauthorized is the status code to return when the client provides no credentials or invalid credentials. 403 Forbidden is the status code to return when a client has valid credentials but not enough privileges to perform an action on a resource.

What is 304 HTTP status code?

The HTTP 304 Not Modified client redirection response code indicates that there is no need to retransmit the requested resources. It is an implicit redirection to a cached resource.

What is 405 status code?

The HyperText Transfer Protocol (HTTP) 405 Method Not Allowed response status code indicates that the server knows the request method, but the target resource doesn't support this method.

What is a 310 status code?

What is a 402 status code?

What is a 412 status code?

The HyperText Transfer Protocol (HTTP) 412 Precondition Failed client error response code indicates that access to the target resource has been denied.

What is a 408 status code?

The HyperText Transfer Protocol (HTTP) 408 Request Timeout response status code means that the server would like to shut down this unused connection. It is sent on an idle connection by some servers, even without any previous request by the client.

What is a 415 status code?

The HTTP 415 Unsupported Media Type client error response code indicates that the server refuses to accept the request because the payload format is in an unsupported format. The format problem might be due to the request's indicated Content-Type or Content-Encoding , or as a result of inspecting the data directly.

What is error 500 vs 404?

If you get an 500 error or 404 error then it is likely for the following reasons: 500 error means that something went wrong on our server. 404 error will most likely mean that the URL is invalid.

What are 400 and 500 errors?

A first digit of 4 represents a client—side error, with the most common codes in the range of 400 to 404. A first digit of 5 represents a server—side error, with the most common codes in the range of 500 to 510. Because the codes in 400 and 500 range represent errors, they are also referred to as HTTP Error Codes.

Why do 404 and 503 error occur?

Usually, it's caused by an error on your end: There may be a typo in the URL, the server may not understand your request or the file you're trying to upload is too big. Try clearing your cache and checking the URL for typos. If it still isn't working, take Google's advice.