
OpenRouter
boldrouter
Flatkey.ai
Merlin Unified API
The B2A (business to agent) marketplace: 3,200+ APIs and 168+ AI models with one key and pay-per-call pricing.

Postman
APILayer
OpenRouter
Zapier
ApyHub
Firebase
MuleSoft Anypoint Platform
API marketplace for finding and connecting to the world's top APIs.

Which is more popular?
Based on our record, RapidAPI seems to be more popular. It has been mentioned 63 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | openany.si | rapidapi.com |
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| Company | Startup from the United States | — |
| Listed in |
In their own words, as submitted to SaaSHub.


OpenAny is the B2A (business to agent) marketplace. Give your agent 3,200+ APIs and 168+ AI models with one key and pay-per-call pricing. Developers running agents in Claude Code, Cursor, or Codex get models, data APIs, and skills under one API key and one prepaid balance, with top-ups by card or...
No description of RapidAPI yet.
What each product offers, as listed by its team.


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


No analysis of OpenAny yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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How to Use RapidAPI [Quick Start] — API Discovery to Integration
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing OpenAny and RapidAPI.
OpenAny's answer
OpenAny gives AI agents one API key and one prepaid balance to pay per call across models, data APIs and reusable skills, instead of signing up with dozens of providers. Top up by card (with auto top-up), USDC or x402; direct per-request x402 payment works on supporting endpoints.
OpenAny's answer
Developers building AI agents who want one API key for models, data APIs and skills (works with Claude Code, Cursor and Codex), and API providers who want to list endpoints and get paid per call.
OpenAny's answer
OpenAny is the B2A (business to agent) marketplace from Alephant AI LLC, based in San Francisco and founded in 2026.
OpenAny's answer
OpenAny gives agents access to 3,200+ APIs and 168+ AI models through one API key and prepaid balance, with pay-per-call pricing. It works with Claude Code, Cursor, and Codex; API vendors can list their APIs for free and set their own pricing.
Share your experience with using OpenAny and RapidAPI. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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Not really 100% relatd, but RapidAPI is a marketplace for APIs that also provides tools for testing and managing APIs. It allows developers to connect to thousands of APIs easily.
RapidAPI is a platform that helps users find, connect to, and manage their APIs. It allows users to centralize and monitor worldwide operations under one roof and improve efficiency by CI/CD integration.
Recommendations tracked on public social media and blogs since March 2021.


Tracking OpenAny since Oct 2026.
RapidAPI RapidAPI is a leading API platform designed to provide developers with convenient API discovery, integration, and management services. As a global API marketplace, RapidAPI brings together thousands of APIs from different... - Source: dev.to / over 2 years ago
Create a Rapid API Account: If you don't have an account, sign up at the Rapid API Hub. - Source: dev.to / over 2 years ago
Rapid API Hub stands as a premier API marketplace that connects developers with a plethora of APIs, offering the tools needed to discover, connect, and manage APIs on a unified platform. Whether your goal is to enhance your application... - Source: dev.to / over 2 years ago
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