API(Soap/Rest)

There are two types of  web services or APIs:

1. SOAP based

2. REST based

 

3. GET, POST, PUT, DELETE in Postman(YouTube Link)

4. The most common API status/response codes
5. Rest Assured in Java (GET) 

6. Rest Assured in Java (POST)  

 

Some common Tools/Technologies for testing Web Services:

SOAP UI – supports both SOAP API and REST API

POSTMAN – only for REST

HTTP Client (JAVA API) –only REST

REST Assured(Java API) – only REST

SOAP Client (JAVA API) – only SOAP

JMETER – Performance testing tool --- can be used for REST API

 

SOAP based web service (in Soup UI)   > SOAP WebServices with SOAP UI
REST based web service (in Soap UI)   > REST API with SOAP UI

 

Tools: Soap UI, Postman, Bruno, Swagger, Insomnia, Jmeter

HTTP Requests in API testing, there are four main requests in API testing:
Get: Read the data.
Post: Create the data.
Put: Update the data. This will update the entire data set such as updating an entire row of a database table. If the resource is not present then it will create the resource.
Patch: Update partial data. Such as a field in a row.
Delete: Delete the data