Making SOAP Requests with Postman

Postman, often referred to as a REST client, is capable of handling any HTTP-based calls, including SOAP and GraphQL requests, due to their transport protocol agnosticism. Despite REST's popularity, many developers still maintain legacy systems that use SOAP, which relies on XML formatting. To make SOAP requests using Postman, users should enter the SOAP endpoint as the request URL, set the method to POST, and configure the body type to raw XML. Users must adjust the Content-Type header to "text/xml" to match the endpoint's requirements and define the SOAP envelope, body, and headers in the request body. An example provided illustrates converting 75 degrees Fahrenheit to Celsius using a SOAP API. Postman proves to be a versatile tool for managing APIs across different protocols, including REST, SOAP, and GraphQL.

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