APIStack - The ultimate API marketplace

What it does

Access 100+ production REST APIs and Model Context Protocol (MCP) servers for AI agents. Enterprise API marketplace with real-time testing, usage analytics, and seamless ChatGPT/Claude integration. Free tier available.

Access 100+ production-ready REST APIs and Model Context Protocol (MCP) servers for AI agents. Professional API marketplace with developer tools, real-time testing, usage analytics, and seamless AI integration. Scale from free tier to enterprise with transparent pricing. Built with developers in mind, our platform provides all the tools and features you need to integrate, test, and scale APIs effortlessly. All our APIs are also published on RapidAPI, the world's largest API marketplace. Choose the platform that works best for your workflow. Model Context Protocol (MCP) servers enable seamless AI agent connectivity. Connect ChatGPT, Claude, and custom AI applications to our enterprise APIs…from apistack.online

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  NitroStack14d ago · nitrostack.ai · ▲239

  Build, test, and deploy MCP servers in one place

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  API to MCPJun 2026 · apitomcp.ai · ▲195

  Turn any API into an MCP server for AI agents

• TB
  Tabstack – Browser infrastructure for AI agents (by Mozilla)Jan 2026 · ▲130

  Hi HN, My team and I are building Tabstack to handle the "web layer" for AI agents. Launch Post: https://tabstack.ai/blog/intro-browsing-infrastructure-ai-ag... Maintaining a complex infrastructure stack for web browsing is one of the biggest bottlenecks in building reliable agents. You start with a simple fetch, but quickly end up managing a complex stack of proxies, handling client-side hydration, and debugging brittle selectors. and writing custom parsing logic for every site. Tabstack is an API that abstracts that infrastructure. You send a URL and an intent; we…

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  API Hub2025 · api-hub.org · ▲131

  Your central hub for powerful MCP and API solutions

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  APIstax2022 · apistax.io · ▲64

  Secure and reliable APIs for your common business needs

• WM
  We made an MCP Server so Cursor can build things from REST API docs2025 · npmjs.com · ▲102

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  Spira Maxima▲578

  Video model that turns script into viral social media videos

  AI · 18d ago · spira.ai

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  Rill Browser▲540

  The browser where Claude Code and Codex work beside you

  AI · 17d ago · rill.love

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  Germany's new sovereign AI model Kolibri▲424

  Kolibri is Aleph Alpha

  AI · 19d ago · tej.as

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  Giving Opus 5.5 a simulated paint canvas▲392

  Paintings by AI models: programs run through a simulation of oil paint.

  AI · 21d ago · stillwet.art

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  PixVerse R2▲381

  A real-time world model you can explore and change

  AI · 29d ago · world.pixverse.video

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  Hemory▲381

  Keep listening. Searchable memory for your AI agents.

  AI · 30d ago · hemory.com

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  Guideflow▲1,338

  Create interactive product demos and step-by-step guides in seconds with Guideflow, the leading AI-powered demo automation tool.

  AI · Nov 2025 · guideflow.com

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  I built a synth for my daughter▲1,278

  Hardware and software projects by Ali Roberts

  Life & fun · Nov 2025 · bitsnpieces.dev

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  Welltory▲1,028

  Measure your wellness. Use data to feel great every day.

  Work · Nov 2025 · welltory.com

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  Gemini 3▲1,016

  Bring any idea to life with multimodal capabilities

  AI · Nov 2025 · blog.google

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  TrustMRR▲833

  LLM Gateway is a b2b artificial intelligence based in United States, founded in 2025. $259,539/month in verified Stripe revenue. $78,764 MRR. Ahrefs Domain Rating 52/100. growing 55% month-over-month. Track LLM Gateway's verified metrics on TrustMRR.

  Growth · Nov 2025 · trustmrr.com

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  Boing▲782

  Life & fun · Nov 2025 · boing.greg.technology