After receiving and interpreting a request message, a server responds with an HTTP response message:
- A Status-line
- Zero or more header (General|Response|Entity) fields followed by CRLF
- An empty line (i.e., a line with nothing preceding the CRLF) indicating the end of the header fields
- Optionally a message-body
What data formats are supported by web API?
Web API includes built-in support for JSON, XML, BSON, and form-urlencoded data. It means it automatically converts request/response data into these formats OOB (out-of the box).
How web API handles different formats of request and response data?
Here, you will learn how Web API handles different formats of request and response data. Media type (aka MIME type) specifies the format of the data as type/subtype e.g. text/html, text/xml, application/json, image/jpeg etc. In HTTP request, MIME type is specified in the request header using Accept and Content-Type attribute.
What version of HTTP does a server support?
A server supporting HTTP version 1.1 will return the following version information: Status Code. The Status-Code element is a 3-digit integer where first digit of the Status-Code defines the class of response and the last two digits do not have any categorization role.
How does a server respond to a request?
After receiving and interpreting a request message, a server responds with an HTTP response message: 1 A Status-line 2 Zero or more header (General|Response|Entity) fields followed by CRLF 3 An empty line (i.e., a line with nothing preceding the CRLF) indicating the end of the header fields 4 Optionally a message-body
Which of the following are valid server response formats?
The currently-available response formats for all REST endpoints are string-based formats and include XML, JSON, PJSON, and HTML.
Is CSV a valid server response format?
However, other formats can also be used; unlike SOAP services, REST is not bound to XML in any way. Possible formats include CSV (comma-separated values) and JSON (JavaScript Object Notation).
What is the format of REST API response?
When you send a REST request, the appliance responds with a structured response in JSON format. The exact structure of the response depends on the resource and URI of the request, but all responses are similar. The response includes all available resources from any point within the API.
What data formats are accepted for REST?
The REST API supports the following data formats: application/json. application/json indicates JavaScript Object Notation (JSON) and is used for most of the resources. application/xml indicates eXtensible Markup Language (XML) and is used for selected resources.
Is JSON better than CSV?
CSV format is about half the size of the JSON and another format file. It helps in reducing the bandwidth, and the size of the below would be very less....JSON vs CSV Comparison Table.Basic ComparisonJSONCSVCompactIt is less compact as compared to the CSV file.The CSV files are more compact than other file formats.5 more rows
What is the best server response format?
JSON is the best of both worlds with respect to CSV and XML. It's simple and compact like CSV, but supports hierarchical data like XML. Unlike XML, JSON formats are only about twice as large as CSV formats.
Which of these are the 4 correct types of REST requests?
The most common are: GET, POST, PUT, and DELETE, but there are several others. There is no limit to the number of methods that can be defined and this allows for future methods to be specified without breaking existing infrastructure. The concept of idempotence is relevant to this discussion.
What are API responses?
The API response is the generic error message, given when an unexpected condition was encountered and no more specific message is suitable.
Is there any standard for JSON API response format?
Yes there are a couple of standards (albeit some liberties on the definition of standard) that have emerged: JSON API - JSON API covers creating and updating resources as well, not just responses.
What are the 2 common formats for returning data from a Web service?
The most common formats found in modern APIs are JSON (JavaScript Object Notation) and XML (Extensible Markup Language).
What are three different data formats for APIs?
The three most common formats in this category are JSON, XML, and YAML.
What is the most widely used data format response to a RESTful API?
XML is by far the number two response format used by API providers, but it is clear that JSON has been the unquestioned format of choice. The REST architectural style and JSON data format are the staples of the API space.
What is CSV file format?
A CSV is a comma-separated values file, which allows data to be saved in a tabular format. CSVs look like a garden-variety spreadsheet but with a . csv extension. CSV files can be used with most any spreadsheet program, such as Microsoft Excel or Google Spreadsheets.
What is the MIME type for CSV file?
Common MIME typesExtensionKind of documentMIME Type.csvComma-separated values (CSV)text/csv.docMicrosoft Wordapplication/msword.docxMicrosoft Word (OpenXML)application/vnd.openxmlformats-officedocument.wordprocessingml.document.eotMS Embedded OpenType fontsapplication/vnd.ms-fontobject42 more rows•May 21, 2022
What is CSV format example?
A CSV file is a list of data separated by commas. For instance, it may look like the following: Name,email,phone number,address. Example,[email protected],555-555-5555,Example Address.
What is the difference between text CSV and application CSV?
If a server says "This data is of type text/csv" the client can understand that can render that data internally, while if the server says "This data is of type application/csv" the client knows that it needs to launch the application that is registered on the OS to open csv files.
What happens if a client includes JSON data in the request body to send it to the receiver?
The same way, if a client includes JSON data in the request body to send it to the receiver then it will send following POST HTTP request with Content-Type header with JSON data in the body.
What is MIME type HTTP?
In HTTP request, MIME type is specified in the request header using Accept and Content-Type attribute. The Accept header attribute specifies the format of response data which the client expects and the Content-Type header attribute specifies the format of the data in the request body so that receiver can parse it into appropriate format.
What is Accept header?
In the above figure, Accept header specifies that it expects response data in XML format and Content-Type specifies that the student data into request body is in the JSON format. The following is the response upon execution of the above request.
What data does Web API handle?
Thus, Web API handles JSON and XML data by default. Learn how Web API formats request/response data using formatters in the next section.
Can you specify different response format?
The same way, you can specify different request & response format using accept and content-type headers and Web API will handle them without any additional changes.
What is response header?
The response-header fields allow the server to pass additional information about the response which cannot be placed in the Status- Line. These header fields give information about the server and about further access to the resource identified by the Request-URI.
What does HTTP status code mean?
It means the server failed to fulfill an apparently valid request. HTTP status codes are extensible and HTTP applications are not required to understand the meaning of all registered status codes. A list of all the status codes has been given in a separate chapter for your reference.
What is the status code element?
The Status-Code element is a 3-digit integer where 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:
