Rest API in Frappe

 Rest API in Frappe:

You can use a browser or postman to hit API

•  Predefined APIs in Frappe:
• Create :(POST)
• To create any document with post request  e.g. 
• Localhost:8000/api/resource/{doctype} 

• Read(GET):
• To get any document related to the mentioned doctype we can use the GET
  method followed by the document name. E.g.
• localhost:8000/api/resource/{doctype}/{name}
• 
  
• Update(PUT):
• To create/update any document with specific name or required field
   name to be changed values.
• localhost:8000/api/resource/{doctype}/{name} 
• Delete

• Custom APIs:
• With custom API we can create APIs which are not pre-defined.
• We can create all-new APIs or we can use resource APIs to generate different output or

                                manipulate the output as per the required format.

• localhost:8000/api/method/{dotted path to the API starting from the second folder 
  in application folder with application name}
• E.g.  http://localhost:8000/api/method/gilton.api.send_mail.sendmail1
• Where api/method is the method to call custom API and the rest of the URL is dotted 
  path to the custom API.
• Reference :
• https://frappe.io/docs/user/en/guides/integration/rest_api