Node-red http request payload

1. What is the payload of HTTP request?
2. What is payload in Node-RED?
3. How to use HTTP in Node-RED?
4. What is HTTP response payload?

What is the payload of HTTP request?

The payload of an HTTP request or response consists of HTTP protocol information such as headers, a URL, body content, and version and status information.

What is payload in Node-RED?

Messages usually have a payload property - this is the default property that most nodes will work with. Node-RED also adds a property called _msgid - this is an identifier for the message which can be used to trace its progress through a flow. "_msgid": "12345", "payload": "..."

How to use HTTP in Node-RED?

The http-in node is the web server, and needs to be configured to accept a URL request. The node supports the GET,POST,PUT,DELETE and PATCH methods. GET is most commonly used request type and was the only request type in the Original HTTP specification.

What is HTTP response payload?

A "payload" in HTTP is always a partial or complete representation of some resource. We use separate terms for payload and representation because some messages contain only the associated representation's header fields (e.g., responses to HEAD) or only some part(s) of the representation (e.g., the 206 status code).