Postman
API client for building, testing and documenting requests
1/3Postman is an API client and the platform built around it: you compose requests, group them into collections with shared environments and variables, send them and inspect the response, with tests written against each one. The Collection Runner executes a whole collection in sequence with iterations and data files, reporting passes and failures per request, and monitors run those same collections on a schedule against a live API. Around the client sit design tools — an OpenAPI editor and visualizer, mock servers and generated documentation — plus Flows for chaining requests into multi-step workflows and SDK generation for publishing client libraries. Collections version through native Git, and Enterprise plans add an API Catalog, a private API Network, granular RBAC, governance and audit logs.
- Build and send requests, then inspect the response and headers
- Collections with shared environments, variables and tests
- Collection Runner executes a whole collection with iterations
- Monitors run collections on a schedule against a live API
- OpenAPI editor and visualizer, mock servers and generated docs
- Flows chain requests into multi-step workflows
- Native Git versioning for collections and specs
- API Catalog, private API Network and granular RBAC on Enterprise
Based on what people have said
Every answer links back to the mentions it came fromWhat are the common complaints regarding Postman's complexity and performance?
Some users find that the tool has grown into a much larger product than they personally require. Others report that while collections work for simple tasks, they become messy when handling conditional logic or passing complex objects between steps. Additionally, some users have sought alternatives because they prefer not to have their collections stored in a proprietary format behind a login on a cloud server.
3 mentions · r/QualityAssurance · r/SideProject · r/opensourcealternative · Aug 2026
How do people use Postman in their professional workflows?
Users frequently employ Postman for API testing, manual validation of requests, and providing evidence for their work. It is often cited as a standard skill requirement for job roles involving API testing and monitoring. Some developers use it to bypass browser-based CORS issues that occur during development.
8 mentions · r/AutismInWomen · r/ClaudeCode · r/techadvice · r/DeveloperJobs · r/aws · r/developersIndia · Aug 2026 – Sep 2026
Are there alternatives to Postman that users are considering?
Yes, several users are exploring or have migrated to other tools. Mentioned alternatives include Insomnia, Hoppscotch, Thunder Client, Bruno, and lightweight, native HTTP clients built in C++.
5 mentions · r/coolgithubprojects · r/Kotlin · @justbyte_ · @YashHustle_22 · @aayushchugh · Aug 2026 – Sep 2026
Is Postman still necessary if I use AI for coding and debugging?
There is debate on this topic. Some users question the continued need for Postman if AI is already writing and debugging their code, while others continue to use it for manual verification and testing.
1 mention · @ekemini58110 · Aug 2026
These summarise counts and dates only. Read the quotes themselves under what people are saying.
What people are saying about Postman
74% neutral“Lightweight, native HTTP client built in C++20 — a fast, local-first alternative to Postman and Insomnia.”
“Automated tests can help you catch API bugs without constantly switching between your editor and tools like Postman.”
“It now supports variables in a similar way Postman operates. The old "chains" from AuthMatrix are much easier to use too.”
“I'm using Postman on my new MacBook Air M5 (keyboard layout Italian). My previous pc was a windows. I'm used to use Ctrl+ù to toggle line comment.”
“Thanks, I messaged a friend and they said to use Postman. I checked the job description and it wants experience testing in Postman, as well as monitoring experience with Datadog, Grafans, and Splunk.”
“uh my experience is if we're talking about the same thing validate manually via postman. Claude when there are alot of lines in response will read first hundred, do a few key searches and claim something is not there and ignore pagination unless you remind him of it.”
“postman collections work okay for simple stuff but once you have conditional logic or need to pass complex objects between steps it gets messy fast”
“Do you: * duplicate those requests in each test? * create some kind of helper/function? * use Postman folders/scripts/variables? * maintain it as a reusable setup or fixture?”
“And yeah — I know there are already tools for this (Beeceptor, Mockoon, Postman's mock servers, and others). I've used some of them.”
“It’s built to be a fast, scriptable alternative to tools like Postman or Insomnia.”
“Have you tried the postman collection first? Is it working when manually adding the downloaded certificate to postman?”
“Postman helps me provide evidence.”
“• API testing with Postman”
“The browser still requires Access-Control-Allow-Origin, Allow-Headers, and Allow-Methods on the actual response, which is why Postman works and Chrome fails.”
“copy and paste in ur postman or anyother tool of ur choice”
“I had a cors problem once where a postman request worked but the browser didn't, I had to add an options method along with my post method but I dont know if this will help you in your case.”
“I've got a Floci instance running (using Docker Compose) with a REST API Gateway service, which I can call successfully with Postman. Problem is the browser CORs blocking requests, and I keep getting this;”
“It has served me well, but over time it has grown into a much bigger product with a lot more features than I personally need.”
“My technical work includes UI automation with Selenium, API testing with Postman, and Python scripting. I have also built two internal automation tools from scratch in the telecom domain, one for network migrations and one for subscriber migrations, using Claude as a coding assistant to build them faster.”
“I'm still not done with postman lol”
“first in my blood line to create a server and send requests through frontend, postman”
“Is anything actually better than Postman for API testing now?”
“Do you still use Postman, or have you moved to something else?”
“Which API testing tool do you reach for first? - Swagger UI - Hoppscotch - Insomnia - Thunder Client - cURL - Postman -Bruno - Other”
“If AI writes and debugs my codes, why do I still need Postman to test my APIs?.”