Hey @spaceflight-explore7 :waving_hand: Welcome to the Postman Community! :postman: There seems to be a lot of contextual information here, It’s not clear what the rest of the request looks like, the HTTP method, Auth, Request Headers, if you’ve already made the same request to the same endpoints,… Answer from danny-dainton on community.postman.com
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Optiv
optiv.com › insights › discover › blog › getting-started-postman-api-security-testing-part-2
Getting Started with Postman for API Security Testing: Part 2 | Optiv
September 6, 2018 - Postman is a useful tool used by many developers to document, test and interact with Application Programming Interfaces (APIs). This post will explore a couple of use cases for security testing, such as using data-driven tests (Postman Collection ...
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Danaepp
danaepp.com › home › blog › api security testing using ai in postman
API Security Testing using AI in Postman - Dana Epp's Blog
September 5, 2023 - Learn how to use the generative AI models built into Postman to quickly build tests to check for vulnerabilities in the APIs you are testing.
Discussions

API Security Testing
Why does Postman produce inconsistent security testing results compared to other API clients? When testing an endpoint with an SQL injection in Postman, I receive a ‘201 Created’ response, which aligns with hitting a create endpoint. However, sending the same request in other API clients ... More on community.postman.com
🌐 community.postman.com
1
0
April 15, 2025
REST API Security Testing using Postman - Help Hub - Postman Community
How can Postman be used effectively for API security testing with respect to the OWASP Top 10 vulnerabilities, and are there any scripts or Postman tests available to identify common vulnerabilities like injection attacks, insecure deserialization, or broken access control? More on community.postman.com
🌐 community.postman.com
0
November 19, 2024
Does Postman collect and store sensitive data such as API keys?

Assume yes until proven no.

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🌐 r/devops
18
74
January 15, 2019
Error when accessing reddit api via postman

This works for me:

  1. https://www.reddit.com/api/v1/authorize?client_id=CLIENT_ID&response_type=code&state=RANDOM_STRING&redirect_uri=http://localhost&duration=permanent&scope=*

2. https://i.imgur.com/EVuFQ1J.png

https://i.imgur.com/IGPrWJY.png

3. https://i.imgur.com/peppxQG.png

Are you using basic auth for your password/username? I don't think they go directly in headers.

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🌐 r/learnprogramming
10
6
May 25, 2018
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Codoid
codoid.com › security-testing › postman-api-security-testing-a-complete-guide
Postman API Security Testing: A Complete Guide - Codoid
August 19, 2025 - Re-Validation: Fix and re-test before production deployment. Integrate with CI/CD: Automate basic checks in your pipeline. Use Environment Variables: Manage tokens and URLs securely. Adopt OWASP API Security Top 10: Align your Postman tests with industry best practices.
Address: TIDEL Park, 305, 3rd Floor, D-North, 4, Rajiv Gandhi Salai, Tharamani,, 600113, Chennai
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Postman
community.postman.com › help hub
API Security Testing - Help Hub - Postman Community
April 15, 2025 - Why does Postman produce inconsistent security testing results compared to other API clients? When testing an endpoint with an SQL injection in Postman, I receive a ‘201 Created’ response, which aligns with hitting a create endpoint. However, sending the same request in other API clients returns a ‘401 Unauthorized’ response, which is the expected outcome for this scenario.
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Danaepp
danaepp.com › the-beginners-guide-to-writing-api-security-tests-in-postman
The Beginners Guide to Writing API Security Tests in Postman – Dana Epp's Blog
February 26, 2026 - Did you know that Postman includes a sandbox that allows you to write API security tests in Javascript and execute them against your targets? This sandbox includes a runtime based on Node.js that enables you to build rich positive and negative ...
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Elsner
elsner.com › home › how is api security testing with postman gaining popularity?
How is API Security Testing With POSTMAN gaining popularity?
July 16, 2026 - Collections:- In Postman, collections are used to group similar individual API requests. Users can share the collection with each request’s relevant headers, body, URL parameters, authorization configurations, and description. Exporting the collection can benefit onboarding a new developer or providing complete scoping details and mock request data to a security tester.
Price: $$$
Address: 3405 Pennsylvania Common, 94536, Fremont
Find elsewhere
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Veracode
veracode.com › home › introducing postman collection support for api security testing
Introducing Postman Collection Support for API Security Testing | Veracode
September 8, 2025 - Veracode is excited to introduce ... in your Postman Collections. With Veracode, you can test the security of your API business processes, including workflows that simulate real user interactions....
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Postman
community.postman.com › help hub
REST API Security Testing using Postman - Help Hub - Postman Community
November 19, 2024 - How can Postman be used effectively for API security testing with respect to the OWASP Top 10 vulnerabilities, and are there any scripts or Postman tests available to identify common vulnerabilities like injection attack…
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Secure Ideas
secureideas.com › blog › 2019 › 03 › better-api-penetration-testing-with-postman-part-1.html
Better API Penetration Testing with Postman - Part 1
June 4, 2026 - Postman, Burp, custom scripts: our team uses whatever it takes to thoroughly test your API. If you have a REST API, GraphQL endpoint, or microservice that needs a security assessment, reach out.
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TechMagic
techmagic.co › blog › postman
Postman Security Testing: Empower Web Application Security
March 6, 2026 - Postman enables seamless testing of authentication mechanisms such as OAuth 2.0 or JWT. Security teams simulate user roles and permissions, uncovering authorization loopholes and scrutinizing unauthorized access to API endpoints.
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WebAsha Technologies
webasha.com › cyber security & ethical hacking
API Penetration Testing: Securing Your APIs with Postman
November 29, 2024 - Command: In Postman, select the GET method from the dropdown and enter the API endpoint URL. ... Ensure that the API is not exposing sensitive data like passwords, social security numbers, or API keys.
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YouTube
youtube.com › watch
API Security Testing with Postman: Best Practices and Techniques - YouTube
In this in-depth session, security engineer Rana Kothaga walks you through common API vulnerabilities and how to effectively use Postman for API security tes...
Published: February 12, 2021
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Medium
medium.com › simform-engineering › api-security-testing-pynt-postman-371b9bcecdf9
API Security Testing: Pynt + Postman | by Bansari Pujara | Simform Engineering | Medium
December 1, 2023 - You can effortlessly generate an HTML report of your security tests by executing the Show Report API from the Pynt collection. One can store that report in Postman itself and can share it with the team.
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Postman
postman.com › home › api platform › what is api testing? a guide to testing apis
What is API Testing? A Guide to Testing APIs | Postman
Postman's performance testing ramps virtual users against a collection you already have, so you can find the point where your API starts to break. API security testing involves identifying and resolving security vulnerabilities within APIs.
Published: June 29, 2021
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Medium
medium.com › @stellatoye2021 › how-i-performed-basic-api-security-tests-using-postman-beginner-edition-2ceef01ee7de
How I Performed Basic API Security Tests Using Postman (Beginner Edition) | by Stella Obatoye | Medium
December 29, 2025 - In this article, I show how I used Postman to perform a simple API security test on Vuln-bank, a deliberately vulnerable banking application and how I was able to increase my account balance from $1000 to $5000 just by adding one extra field to a request.
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YouTube
youtube.com › vista infosec
Postman API Security Testing Tutorial - YouTube
According to a recent study by OWASP, 70% of all web applications are vulnerable to security risks. API security testing is one of the most effective ways to...
Published: March 24, 2025
Views: 22
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Optiv
optiv.com › explore-optiv-insights › blog › getting-started-postman-api-security-testing-part-1
Getting Started with Postman for API Security Testing: Part 1 | Optiv
May 3, 2018 - Part 2 will explore a couple of use cases for security testing such as using data-driven tests for parameter fuzzing and using the Postman Sandbox JS execution environment for HMAC Header Implementation. Though the main functionality of the tool is for functional testing, interacting, documenting the API and not security analysis, this write up can be used as a beginner guide for using Postman as a useful security tool.