OpenRouter
liteLLM
MandAPI
APIVAI
Portkey
OpenAI
boldrouter
OpenAI-compatible AI API gateway for GPT, Claude & Grok. Change baseURL, keep your code. Pay-as-you-go USDT; $0.20 auto credit on signup.

Exam.net
StudySpaces is a white-label tutoring and test prep platform with built-in SAT, ACT, etc. curriculum, auto-graded mock exams, and a branded student portal.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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APIClan.us
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| Website | apiclan.us | studyspaces.com |
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What each product offers, as listed by its team.

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Share your experience with using APIClan.us and StudySpaces. For example, how are they different and which one is better?
When comparing APIClan.us and StudySpaces, you can also consider the following products.


A platform for creating and conducting exams and assessments.
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OpenAI-compatible multi-model API for GPT, Claude, Gemini, DeepSeek and more.
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One API key for Claude and GPT models, compatible with the Anthropic and OpenAI formats. Works with Claude Code, Cursor and Codex CLI. Pay as you go, below official list prices.
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Build production-grade & reliable AI apps with Portkey
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