Convert Postman Script

Below is a comprehensive guide for converting Postman scripts to Thunder Client scripts.
You can find the complete Thunder Client Scripting API here.

Global Variables

The following global variables are available in scripting.

Postman Variable	Thunder Client Variable
pm	tc
pm.expect	expect
pm.assert	assert
btoa	btoa
atob	atob

Built-in Libraries

The following built-in libraries are available in scripting.

Postman Library	Thunder Client Library
ajv	ajv
---	ajv-formats
---	axios
atob	atob
btoa	btoa
buffer	buffer
chai	chai
cheerio	tc.loadModule(‘cheerio’)
crypto-js	crypto-js
csv-parse/lib/sync	papaparse or use tc.loadModule(‘csv-parse’)
---	fs
---	http
---	https
lodash	tc.loadModule(‘lodash’)
moment	tc.loadModule(‘moment’)
stream	stream
---	tough-cookie
tv4	tc.loadModule(‘tv4’)
url	url
util	util
uuid	uuid
xml2js	fast-xml-parser

Request

Request object available properties and methods.

Postman Property	Thunder Client Property
---	tc.request.id
---	tc.request.name
pm.request.url	tc.request.url
pm.request.method	tc.request.method
pm.request.headers	tc.request.headers
pm.request.body	tc.request.body
pm.request.url.getQueryParam()	tc.request.url.getParam()
pm.request.url.addQueryParams()	tc.request.url.setParam()
---	tc.request.getHeader()
pm.request.headers.add()	tc.request.setHeader()
pm.request.headers.remove()	---
---	tc.request.setBody()

URL query parameters


// Postman script
// Get a query param value
const userId = pm.request.url.getQueryParam("userId");
 
// Add or update a query param
pm.request.url.addQueryParams({
    debug: "true",
});


// Thunder Client script
// Get a query param value
const userId = tc.request.url.getParam("userId");
 
// Add or update a query param
tc.request.url.setParam("debug", "true");

Response

Response object available properties and methods.

Postman Property	Thunder Client Property
pm.response.code	tc.response.status
pm.response.status	---
pm.response.responseTime	tc.response.time
pm.response.responseSize	tc.response.size
---	tc.response.contentType
pm.response.json()	tc.response.json
pm.response.text()	tc.response.text
pm.response.headers	tc.response.headers
---	tc.response.cookies
---	tc.response.getHeader()

Info

Get the additional information of the currently executing request.

Postman Property	Thunder Client Property
pm.info.eventName	---
pm.info.iteration	tc.info.currentIteration
pm.info.iterationCount	tc.info.totalIterations
pm.info.requestId	tc.request.id
pm.info.requestName	tc.info.requestName
pm.environment.name	tc.info.environmentName
---	tc.info.collectionName
---	tc.info.folderName

Environments

See the available environment methods between Postman and Thunder Client.

Postman Methods	Thunder Client Methods
pm.variables.get()	tc.getVar()
pm.variables.set()	tc.setVar()
pm.variables.replaceIn()	tc.replaceVars()
pm.collectionVariables.get()	tc.getVar()
pm.collectionVariables.set()	tc.setVar()
pm.environment.get()	tc.getVar()
pm.environment.set()	tc.setVar()
pm.globals.get()	tc.getVar()
pm.globals.set()	tc.setVar()
pm.iterationData.get()	tc.getVar()

Methods

See the available methods between Postman and Thunder Client.

Postman Methods	Thunder Client Methods
pm.cookies.has()	---
pm.cookies.get()	tc.getCookies()
pm.cookies.jar().set()	tc.setCookie()
pm.cookies.jar().getAll()	tc.getCookies()
pm.cookies.jar().unset()	tc.clearCookies()
pm.cookies.jar().clear()	tc.clearCookies()
pm.sendRequest()	axios or tc.runRequest()
pm.execution.skipRequest()	tc.skipRequest()
postman.setNextRequest()	try using tc.skipRequest()
pm.visualizer.set()	tc.chartView()
pm.test()	tc.test()
pm.expect()	expect()

Feedback

If you have feedback or need additional features, please contact us on our GitHub page.