
Claude Code
Cursor
aider
Zed
Ghostty
warp by spolu
GitHub Copilot
Frontier reasoning in the terminal

Insomnia REST
MuleSoft Anypoint Platform
DreamFactory
RapidAPI for Mac
Apigee
Hoppscotch
AWS CloudTrail
The Collaboration Platform for API Development

Which is more popular?
OpenAI Codex CLI might be a bit more popular than Postman. We know about 40 links to it since March 2021 and only 30 links to Postman.
Website, pricing, platforms and company facts side by side.
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| Website | github.com | postman.com |
| Pricing | — | |
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| Company | — | Startup from India |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
OpenAI Codex CLI
More videos
POST/CON 2018 workshop in review: Running Postman Collections
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using OpenAI Codex CLI and Postman. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of OpenAI Codex CLI yet. Be the first one to post
Forking Existing Collections: One of Postman’s unique strengths is the ability to fork collections created by others. Developers can easily duplicate publicly available Postman collections, modifying them to fit their...
As the digital landscape evolves, the significance of APIs (Application Programming Interfaces) has surged, facilitating seamless communication between various software applications. Postman has been a leading tool in...
- Focus on specific needs: Does the tool excel at SOAP APIs or cater to microservices? - Resource usage: Does it handle complex projects without impacting system performance? - Script reusability: Does it allow for...
Recommendations tracked on public social media and blogs since March 2021.


The second CLI (Codex) records tokens and quota in session files, but the laptop sleeps and moves, so Prometheus can't reliably scrape it. That's exactly the Pushgateway case: a systemd user timer parses the session files every 5 minutes... - Source: dev.to / 13 days ago
Since when? https://learn.chatgpt.com/docs/codex/cli https://github.com/openai/codex Looks like it's still a more-or-less-open-source product called Codex CLI. FWIW, there have been issues with various versions of ChatGPT not knowing... - Source: Hacker News / about 1 month ago
Codex is open source: https://github.com/openai/codex. - Source: Hacker News / about 2 months ago
Postman (postman.com) is a comprehensive API platform that goes beyond mocking, offering a full suite for API development, testing, and monitoring. With its mock server feature, Postman enables teams to simulate responses for various... - Source: dev.to / almost 2 years ago
Postman is a widely used tool for API testing and interaction. Its "Mock Servers" feature lets you create a mock version of your API, returning specific responses for testing. While useful, Postman may lack advanced mock server... - Source: dev.to / almost 2 years ago
Postman is a widely adopted tool for API design and development, offering an intuitive interface for creating, testing, and documenting APIs. It simplifies the API design process, allowing architects to quickly prototype and refine their... - Source: dev.to / about 2 years ago
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