Postman

Postman tips

The last time I checked, it wasn’t available through pacman.

paru -S postman-bin

Setting a string from response body as a collection variable - JSON response

Script to read fields from a JSON response and set it as a collection variable that can be used in the subsequent steps:

var jsonData = JSON.parse(responseBody);
pm.collectionVariables.set("quoteId", jsonData.data.quoteId);

var jsonData = JSON.parse(responseBody);
pm.collectionVariables.set("access_token", jsonData["access_token"]);

It looks like responseBody is deprecated. Use pm.response.text() instead.

var jsonData = pm.response.json();
pm.collectionVariables.set("access_token", jsonData["access_token"]);

Filtering response objects for a specific one

var jsonData = pm.response.text();

var tasksCalendarId;

_.each(pm.response.json().items, (item) => {
    if(item.summary === 'Tasks') {
        console.log(item)
        tasksCalendarId = item["id"];
    }
})

console.log(tasksCalendarId)

pm.collectionVariables.set("tasksCalendarId", tasksCalendarId);

Using a collection variable in headers

Authorization:Bearer {{access_token}}

Setting a string from response body as a collection variable - SOAP response

Script to read fields from a SOAP response and set it as a collection variable that can be used in the subsequent steps:

var parseString = require('xml2js').parseString;
var stripPrefix = require('xml2js').processors.stripPrefix;

parseString(responseBody, { tagNameProcessors: [ stripPrefix ] }, function(err, js) {
    if(err) throw err;

    var companysQuoteNumber = js.Envelope.Body[0].rateResponse[0].response[0].HomePolicyQuoteInqRs[0].PersPolicy[0].QuoteInfo[0].CompanysQuoteNumber[0];

    pm.collectionVariables.set("companysQuoteNumber", companysQuoteNumber);
});

(A simpler way is to use xml2json but it will not remove the namespaces from the json and if the namespaces are dynamically changing, it can be a problem)

Alternatives to Postman

1. Hoppscotch
   1. A free and open-source alternative that supports designing and debugging REST, GraphQL, and WebSocket APIs. It also offers real-time collaboration features and can import collections from Postman, Insomnia, OpenAPI, or GitHub Gist.
2. Insomia.
   1. While Insomnia does require an account, they do support local-only storage of data.
   2. For cloud-hosted content, they have explicitly implemented features (such as end-to-end encryption) to ensure that their servers never see any sensitive information.
   3. If even this amount of connectivity makes you nervous, there is a fork of Insomnia that removes these features: Insomnium.
3. Bruno.
   1. Also very popular, and offline only.
4. Visual Studio (including rich support for secrets),
5. PowerShell’s Invoke-RestMethod,
6. Curl, etc.

Insomnia and Bruno support import from Postman.