ChatGPT

Perplexity

Gemini

Claude

Grok

Introducing ChatGPT for iOS: OpenAI’s latest advancements at your fingertips.

This official app is free, syncs your history across devices, and brings you the latest from OpenAI, including the new im

Perplexity—Where Knowledge Begins. Accurate answers to any question, backed by sources and citations. 

Cut through the clutter and get straight to credible, up-to-date answers. This free app syncs ac

Grok is an AI-powered assistant, developed by xAI, designed to be maximally truthful, useful, and curious. Get answers to any question, generate striking images and videos, and let Grok search the web

Show HN: Open-Source Alternative to OpenAI Platform, for Local Models

OpenAI's Latest Platform Targets Enterprise Customers

OpenAI Platform – Remote MCP

From API to AGI: Structured Outputs, OpenAI API Platform and O1 Q&A

Using the OpenAI platform to analyse automated test failures

Sam Altman

Chief Executive Officer

Brad Lightcap

Chief Operating Officer

Greg Brockman

President

Mark Chen

Chief Research Officer

Sarah Friar

Chief Financial Officer

Fidji Simo

CEO of Applications

Julia Villagra

Chief People Officer

OpenAI completed its corporate restructuring in October 2025, transitioning its for-profit arm to a Public Benefit Corporation (PBC) structure while the nonprofit OpenAI Foundation holds a $130 billion equity stake. Microsoft solidified its position as a major shareholder in the company.

OpenAI Completes Restructure as For-Profit Public Benefit Corporation with Microsoft as Major Shareholder

OpenAI released ChatGPT Atlas, a new AI-powered web browser featuring an integrated assistant capable of summarizing information, conducting research, and automating online tasks directly within web navigation.

OpenAI Launches ChatGPT Atlas: AI-Powered Browser with Integrated Assistant

OpenAI completed the acquisition of product testing startup Statsig for $1.1 billion to accelerate product launches. The deal brought new executives including Fidji Simo as CEO of Applications and Kevin Weil as VP of OpenAI for Science.

OpenAI Acquires Statsig for $1.1 Billion, Shakes Up Leadership Team

OpenAI unveiled GPT-5 in August 2025, its most advanced model featuring sharper reasoning, multimodal input capabilities, better mathematical problem-solving, and cleaner task execution. Users can choose between Auto, Fast, and Thinking modes.

OpenAI Releases GPT-5 with Advanced Reasoning, Multimodal Input, and Improved Math Skills

OpenAI released its first open-weight language models since GPT-2, introducing gpt-oss-120b and gpt-oss-20b to democratize access to advanced AI capabilities while maintaining oversight through safety measures.

OpenAI Releases First Open-Weight Language Models: gpt-oss-120b and gpt-oss-20b

The U.S. Department of Defense awarded OpenAI a one-year $200 million contract to develop AI tools for military and national security applications, marking a significant milestone in AI adoption for government defense.

OpenAI Wins $200 Million US Department of Defense Contract for Military AI Tools

ChatGPT's weekly active users surged to 400 million by February 2025, building on momentum from 300 million in December 2024, demonstrating unprecedented adoption of AI assistants globally.

ChatGPT Reaches 400 Million Weekly Active Users, Surpassing Growth Milestones

OpenAI released GPT-4.5 in February 2025, enhancing its model lineup with improved reasoning, multimodal capabilities, and optimized API performance for developers building next-generation applications.

OpenAI Introduces GPT-4.5 with Enhanced Capabilities and API Availability

OpenAI introduced ChatGPT Pro subscription tier on December 5, 2024, at $200 per month, providing unlimited access to the o1 model, GPT-4o, advanced voice features, and specialized tools.

OpenAI Launches ChatGPT Pro at $200 Monthly, Featuring Unlimited o1 and Advanced Features

OpenAI released the full version of o1 model on December 5, 2024, as part of its '12 Days of OpenAI' announcement series. The o1 model features a 34% reduction in major errors on difficult problems through enhanced reasoning.

OpenAI Unveils o1 Model with Advanced Reasoning Capabilities in 12 Days of OpenAI Event

OpenAI unveiled the ChatGPT Store in January 2024, allowing users to create, customize, and share specialized GPTs with unique capabilities for specific domains and use cases.

OpenAI Launches ChatGPT Store, Enabling Users to Create and Share Custom GPTs

OpenAI Will Shut Down Sora Video Platform

OpenAI is allegedly shutting down its AI video slop-making platform Sora.

Why is Google getting ZERO backlash for Gemini powering the Pentagon's AI platform, while OpenAI got roasted for almost the same thing?

OpenAI Set to Discontinue Sora Video Platform App

Disney Inks Blockbuster OpenAI Deal to Bring More Than 200 Characters to Sora Video Platform, Invests $1 Billion in AI Company

“OpenAI Set to Discontinue Sora Video Platform App”

technology

Fauxmoi

playboicarti

BetterOffline

StarWarsCantina

SoraAi

FORMFACTOR INC

Challenges in using the language
models of the OpenAI platform in the context of evaluating student solutions to
project tasks from the field of computer programming

Postman ofron shërbime postare të shpejta dhe të sigurta të dizajnuara për të përmbushur nevojat tuaja të dorëzimit. Qoftë duke dërguar paketa lokale ose ndërkombëtare, ekipi ynë profesional siguron d

Postman is the API platform used by 500,000 companies including 98% of Fortune 500. Valued at $5.6B with $313.1M revenue in 2024, nearly doubling YoY.

Ubuntu 16.04 image to run tests on a CI server/service

ci_ubuntu1604

A much more lightweight logstash image than the official one!

logstash_ubuntu1404

elasticsearch234_ubuntu1404

ubuntu_1604

openresty_ubuntu1404

Postman's MCP server connects AI agents, assistants, and chatbots directly to your APIs on Postma...

Command-line collection runner for Postman

This repository is deprecated, see https://hub.docker.com/r/postman/newman/ instead.

Abhinav Asthana

Ankit Sobti

Abhijit Kane

Bruno: Fast and Git-friendly open-source API client (Postman alternative)

Show HN: Restfox – Open source lightweight alternative to Postman

Hoppscotch: Open-source alternative to Postman

Postman which I thought worked locally on my computer, is down

Postman: a powerful HTTP client (for Chrome) to test web services

Postman has surpassed 30 million registered users globally, cementing its position as the dominant platform for API development, testing, and collaboration used by developers at virtually every major technology company and millions of smaller organizations. The company reported that Postman's tools are used to send over 1 billion API requests daily, with the platform hosting over 100 million API collections—shared libraries of API endpoints, tests, and documentation that teams use to collaborate on API development. Postman's growth reflects the fundamental importance of APIs (application programming interfaces) in modern software development; APIs are the connective tissue that allow different software systems to communicate, enabling everything from mobile apps calling backend services to microservices architectures to third-party integrations. The Postman platform has evolved from a simple HTTP request testing tool into a comprehensive API lifecycle management platform encompassing API design, documentation, testing, monitoring, mocking, and collaboration features. The free tier, which includes core testing and collection features, drives viral adoption among individual developers who then advocate for paid team and enterprise plans that add collaboration, governance, and advanced features. Postman reported over 800,000 organizations using the platform, including more than 98% of Fortune 500 companies, with customers ranging from startups to enterprises like Microsoft, Salesforce, and PayPal. The company operates on a freemium business model where the free plan serves unlimited users but paid plans ($14-49 per user monthly) add features like team workspaces, version control, advanced testing, API monitoring, and admin controls required by enterprises. Revenue has grown significantly though Postman remains private and doesn't disclose exact figures; estimates suggest annual recurring revenue exceeds $200 million based on customer base and pricing, though the company is not yet profitable as it invests heavily in product development and international expansion. CEO Abhinav Asthana emphasized Postman's vision of creating an "API-first world" where APIs are designed deliberately and collaboratively rather than as an afterthought, with proper documentation, testing, and governance from the start.

Postman Reaches 30 Million Users as API Development Platform Leader

Postman's journey from a side project created by Abhinav Asthana in 2012 to a company valued at $5.6 billion following its 2021 Series D funding round represents one of the great bootstrapping success stories in enterprise software, demonstrating how developer tools can achieve massive scale through product excellence and community-driven growth rather than aggressive sales and marketing. Asthana initially created Postman as a Chrome extension to scratch his own itch—frustrated with the tedious process of testing APIs during his work as a developer, he built a simple tool that made sending HTTP requests and viewing responses easier. The Chrome extension gained organic traction through the Chrome Web Store, reaching hundreds of thousands of developers who faced the same frustrations. In 2014, Asthana left his day job to focus full-time on Postman, initially bootstrapping the company without outside funding and building a native desktop application to overcome Chrome extension limitations. The company didn't raise institutional venture capital until 2016, when it secured a $7 million Series A from Nexus Venture Partners—remarkable restraint in an ecosystem where many startups raise funding at the earliest opportunity. Subsequent funding rounds reflected Postman's explosive growth: $50 million Series B in 2019 led by CRV at $365 million valuation, $150 million Series C in 2020 led by Insight Partners at $2 billion valuation, and $225 million Series D in 2021 led by Insight Partners at $5.6 billion valuation. The valuations reflected both Postman's dominance in its category and broader market enthusiasm for developer tools during the 2020-2021 tech boom. However, the private market valuation has likely declined in the current environment of higher interest rates and greater scrutiny of unit economics, though Postman remains well-capitalized with over $400 million raised and no immediate pressure to go public or raise additional funding. The company has maintained headquarters in Bangalore, India while establishing significant presence in San Francisco, allowing it to access Indian engineering talent at lower costs while serving global customers. Postman's path to its current valuation was unusual in several respects: the product achieved product-market fit and massive user adoption before raising significant funding, growth was driven primarily by organic developer adoption rather than paid acquisition, and the company remained focused on serving developers directly rather than selling to executive buyers—a bottom-up go-to-market strategy that has become the dominant playbook for modern developer tools companies.

Postman's $5.6B Valuation: From Side Project to API Platform Giant

Postman has positioned itself as the leading evangelist for "API-first" development methodology, a paradigm shift where APIs are designed, documented, and agreed upon before any code is written, enabling parallel development of frontend and backend systems and improving overall software quality and team collaboration. Traditional development approaches often treat APIs as implementation details—backend developers build functionality and expose APIs as an afterthought, frequently without comprehensive documentation or consideration for developer experience. This leads to poorly designed APIs, constant breaking changes, integration difficulties, and endless back-and-forth between frontend and backend teams. API-first methodology flips this by starting with API design using specifications like OpenAPI (formerly Swagger), allowing teams to define endpoints, request/response schemas, authentication, and error handling in a machine-readable format before writing code. Postman supports this workflow through its API design tools that provide visual editors for creating OpenAPI specifications, automatic generation of mock servers that simulate API behavior before implementation, and validation that ensures implementations match specifications. The company has invested heavily in education and community building around API-first practices through Postman Galaxy conference, extensive documentation, video tutorials, and certification programs that teach developers modern API development practices. The approach delivers significant benefits for organizations that adopt it: reduced development time through parallel frontend/backend work, fewer defects from API contract mismatches, better collaboration through shared API specifications as source of truth, and improved API design through deliberate consideration before coding begins. However, API-first methodology requires cultural change and discipline—teams must invest time in design before seeing working code, maintain specifications as APIs evolve, and build testing and governance processes around API contracts. Postman has also become a platform for API governance, allowing enterprises to define API standards (naming conventions, authentication patterns, versioning approaches) and automatically validate that APIs conform to organizational policies. This addresses a common challenge in large organizations where hundreds or thousands of APIs may exist without consistent patterns, making them difficult to discover, integrate, and maintain.

API-First Development: How Postman Evangelizes Design-Before-Code Methodology

While Postman dominates the API development tools market with its comprehensive feature set and massive user base, competitors including Insomnia, Thunder Client, REST Client, and Paw have carved niches by offering simpler, faster, or more specialized alternatives that appeal to developers seeking different tradeoffs. Insomnia, acquired by Kong in 2019, emphasizes a cleaner interface, better GraphQL support, and lower resource usage compared to Postman's more feature-rich but heavier desktop application. Thunder Client operates as a lightweight Visual Studio Code extension, appealing to developers who prefer to test APIs without leaving their code editor—a significant advantage for developers who live primarily in VS Code. REST Client, another VS Code extension, takes minimalism further by allowing developers to define HTTP requests directly in text files that can be committed to version control, eliminating the need for separate API testing applications entirely. Paw, popular among macOS developers, offers a native Mac application with elegant design and advanced features like dynamic values and environment management, though it lacks Postman's cross-platform support and collaboration features. The competition reflects different developer preferences and use cases: Postman serves teams needing comprehensive collaboration, governance, and enterprise features; Insomnia appeals to developers wanting simplicity and speed; Thunder Client and REST Client serve developers who prefer lightweight tools integrated with their editors; and Paw targets Mac-focused developers valuing native application design. Postman's advantages include the largest integration ecosystem, most comprehensive feature set, extensive collection sharing through Postman's public API network, robust collaboration features for teams, and enterprise-grade security and governance controls. However, these advantages come with tradeoffs—Postman's desktop application is resource-intensive (consuming significant RAM and CPU), the interface can feel cluttered with features many developers don't use, and some developers prefer simpler tools for straightforward API testing. Postman has responded to competitive pressure by improving performance, offering a more streamlined "lightweight mode," and continuing to add features that competitors lack. The market dynamics suggest room for multiple tools serving different developer segments, though Postman's network effects (millions of shared collections), comprehensive platform capabilities, and enterprise features create significant moats that make it difficult for competitors to displace Postman in team and enterprise contexts even if individual developers prefer alternative tools.

Postman vs Insomnia vs REST Client: The API Testing Tools Battleground

Postman's Public API Network, launched in 2020 and now hosting over 50,000 public APIs from companies ranging from Stripe to Twilio to government agencies, has evolved into the largest discovery platform for APIs and an important distribution channel for companies offering public APIs. The network allows API providers to publish their API collections—including endpoints, documentation, code samples, and test suites—making it easier for developers to discover, explore, and integrate with APIs without leaving the Postman application. For developers, the Public API Network solves the common challenge of finding reliable, well-documented APIs for specific use cases, whether they need payment processing, geolocation data, weather information, or any of thousands of other capabilities. For API providers, listing in Postman's network provides visibility to Postman's 30 million users, reduces integration friction by providing ready-to-use collections, and generates leads from developers who discover their APIs through Postman. The network has become particularly valuable for developer-focused companies whose business model depends on API adoption—companies like Stripe (payments), SendGrid (email), and Algolia (search) invest significantly in creating comprehensive Postman collections with examples, test cases, and environment templates that help developers integrate their APIs in minutes rather than hours. Postman reports that APIs listed in the Public Network see significantly higher adoption and satisfaction scores compared to APIs without Postman collections, though the company hasn't disclosed specific metrics. The network also includes APIs from non-commercial sources including government agencies (Census Bureau, NASA), academic institutions, and open data initiatives, serving Postman's mission of making APIs more accessible and discoverable. However, the Public API Network faces challenges including quality control (ensuring listed collections are accurate and maintained as APIs evolve), discoverability (helping developers find relevant APIs among 50,000 options), and monetization (Postman doesn't currently charge API providers to list in the network). The network creates a potential future business model where Postman could offer premium placement, enhanced analytics for API providers, or paid features for high-volume API publishers, though the company hasn't announced such plans.

Public API Network: Postman Becomes Discovery Platform for 50,000+ Public APIs

Despite 30 million users and a $5.6 billion valuation, Postman faces increasing pressure from investors and market conditions to demonstrate a clear path to profitability and prove it can effectively monetize its massive free user base into sustainable revenue growth. The company's freemium model—where the vast majority of users rely on the generous free tier while paid conversions remain relatively modest—has driven user growth but created questions about unit economics and scalability. Industry estimates suggest that fewer than 5% of Postman's users pay for the product, typical for freemium developer tools but challenging when infrastructure costs scale with total users regardless of payment. Postman's paid plans ($14/user/month for Basic, $29/user/month for Professional, $49/user/month for Enterprise) are reasonably priced for developer tools, but converting individual developers using the free tier into organizations paying for team plans requires demonstrating clear collaboration value that justifies the expense. The company has implemented strategies to improve monetization including adding more collaboration and governance features exclusive to paid plans, targeting larger enterprises with custom contracts and enhanced support, introducing usage-based pricing for API monitoring and testing at scale, and creating clearer upgrade prompts within the product when teams hit free tier limitations. However, these efforts must balance monetization with maintaining the developer goodwill that drove Postman's initial growth—aggressive paywalling of features or limiting free tier capabilities risks alienating the developer community and opening opportunities for competitors. Postman's cost structure includes significant infrastructure expenses (hosting 100+ million collections and serving billions of API requests), engineering costs (supporting a complex platform across multiple operating systems), and go-to-market investments (sales, marketing, customer success teams) that are substantial relative to current revenue. The company has raised over $400 million in venture funding, providing runway for multiple years, but investors who participated in the $5.6 billion valuation likely expect eventual returns through IPO or acquisition that require demonstrating sustainable profitability trajectory. Market conditions have shifted dramatically since Postman's last funding round in 2021—public market valuations for SaaS companies have compressed, profitability has taken priority over growth-at-all-costs, and IPO markets have been challenging for unprofitable companies. Postman's path forward likely requires either demonstrating 3-4x revenue multiple on its valuation (implying $1.5-2B annual revenue, achievable if current trajectory continues) or accepting a down-round valuation reset. CEO Abhinav Asthana has indicated that Postman is focused on building a sustainable business rather than rushing to IPO, but the company will eventually need to deliver returns to investors while maintaining the product excellence and developer-first culture that created its success.

Path to Profitability: Postman Faces Pressure to Monetize Massive User Base

Postman dominates API development tools market with 30M+ users, $5.6B valuation, and comprehensive platform for API lifecycle management while navigating path to profitability

postman

postman-sdk

postman_client

Client service, to send simple text emails or, using a template created at Postman, send more complex emails.

pypostman

Simple Service that receives a Json structure with mail data, and sends an email to a preconfigured address

Postman just left his bag in our porch and we can't find him.

Postman: From API Client to “Everything App”

Alternatives to Postman for small dev teams (now that Free = 1 user)?

Postman doing a little pole dancing

Postman killing free tier for more than 1 user

Postman locked me out of my own collections, demanding payment.

Anyone working/worked at Postman?

Got a pair of Postman Oxfordx thanks to u/blur2u &amp; Stag Provisions

Will this be the next Postman alternative?

RedWingShoes

postman_api

CasualUK

programming

Backend

techsales

webdev

Post Holdings, Inc.

Ant colony optimization for Chinese postman problem

Automating REST API Postman Test Cases Using LLM

Ant Colony Optimization for solving Directed Chinese Postman Problem

Solving the hierarchical windy postman problem with variable service costs using a math-heuristic algorithm

The biobjective minimum-cost perfect matching problem and Chinese postman problem

Comparative Analysis of Jmeter and Postman for APIBased Performance Testing

Critical-edge based tabu search algorithm for solving large-scale multi-vehicle Chinese postman problem

Advanced RESTful API Testing: Leveraging Newman's Command-Line Capabilities with Postman Collections

PostMan: A Productive System for Spatio-temporal Data Management and Analysis

Abhinav Asthana builds Postman as Chrome extension side project to simplify API testing. Published to Chrome Web Store with zero marketing.

Postman reaches 100,000+ users purely through word-of-mouth and Chrome Web Store discovery. Developer feedback requests native applications.

Asthana leaves day job, recruits Ankit Sobti and Abhijit Kane as co-founders. Three founders bootstrap from Bangalore, begin building native apps.

Launches native Postman applications for Mac, Windows, Linux using Electron. Adds collections, environments, collaboration features. Reaches 1M users.

Raises $7M Series A from Nexus Venture Partners after 2 years bootstrapping. Introduces paid team plans for collaboration and governance features.

Reaches 5 million registered users. Expands feature set to include API documentation generation, mock servers, and monitoring capabilities.

Raises $50M Series B led by CRV at $365M valuation. 8 million users. Adds enterprise features including SSO, RBAC, and audit logging.

Raises $150M Series C from Insight Partners at $2B valuation. Launches Public API Network for API discovery. Reaches 12M users during pandemic.

Raises $225M Series D from Insight Partners at $5.6B valuation during tech boom. 17M users. Expands API lifecycle management capabilities.

Surpasses 20 million users. 98% of Fortune 500 companies use Postman. Focuses on enterprise sales and governance features to improve monetization.

Reaches 30M users, 800,000+ organizations, 100M+ API collections. Public API Network hosts 50,000+ APIs. Processes 1B+ API requests daily.

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