Exercism
Codecademy
edX
Treehouse
Hackr.io
Free Code Camp
Pantheon
Pluralsight
APIMaster
OpenRouter
BazaarLink
VoidLLM
AnyAPI
liteLLM
Deep Infra
GPT4All
APIMaster is an AI API marketplace offering OpenAI, Claude, and DeepSeek API keys at up to 90% off official pricing. One API key gives you access to all major models with OpenAI-compatible endpoints โ plug directly into Cursor, Claude Code, or any SDK.
Every provider is fingerprint-verified weekly to ensure you're getting the real model. Supports PayPal, USDT, and ePay. No subscription, pay-as-you-go from $1.
Exercism
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APIMaster's answer:
Next.js, Go, Python (Flask), PostgreSQL
APIMaster's answer:
Fingerprint verification โ we test every provider weekly using behavioral fingerprinting to detect model substitution. You can see which providers serve real models vs fake substitutes on our public leaderboard. No other API marketplace does this.
APIMaster's answer:
APIMaster is the only marketplace that verifies what model you're actually getting. Competitors like OpenRouter route traffic without verification โ you might pay for Claude Opus but receive a cheaper model. APIMaster detects this and only recommends verified providers. Plus, prices are up to 90% off official rates โ you get both cost savings and model authenticity guaranteed.
APIMaster's answer:
Developers who use OpenAI, Claude, or DeepSeek APIs and want to reduce costs without sacrificing model quality. Especially useful for developers in markets where direct API access is expensive or restricted.
APIMaster's answer:
Built after discovering that many cheap API resellers secretly substitute expensive models with cheaper ones. We built fingerprint detection first, then a marketplace that only lists providers that pass verification.
Based on our record, Exercism seems to be more popular. It has been mentiond 318 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Exercism.org structured deliberate practice, no AI required. - Source: dev.to / 4 months ago
Providing free coding exercises and mentorship, Exercism helps developers practice and improve their programming skills step by step. Their Python Track offers a series of exercises that guide learners from beginner to more advanced levels. - Source: dev.to / 7 months ago
Exercism is a code practice + mentoring platform in 74 languages. Why it can work: although it is not exclusively focused on groups of five, its mentoring and peer review model allows forming mini-circles where participants give each other mutual feedback. Limitation: it is not originally intended as a "venting circle" (My favorite), but more technical-practical. - Source: dev.to / 9 months ago
Keep practicing, keep coding, and most importantlyโhave fun with it! If you enjoyed this exercise, explore more challenges on exercism to continue building your Go skills. As always, you can find the complete code in my GitHub repo: https://github.com/RubenOAlvarado/algorithms. - Source: dev.to / 10 months ago
(concepts/topics) : The New Turing Omnibus, 66 Excursions in Computer Science[1] Code Complete [2] Debugging The 9 Indispensable Rules of Finding Even the Most Elusive Software and Hardware Problems [3] Code: The Hidden Language of Computer Hardware and Software [4] -- backround stories on how 'computer' things came to be -------- [1] : https://www.amazon.com/New-Turing-Omnibus-Sixty-Six-Excursions/dp/0805071660... - Source: Hacker News / over 1 year ago
Codecademy - Learn the technical skills you need for the job you want. As leaders in online education and learning to code, weโve taught over 45 million people using a tested curriculum and an interactive learning environment.
OpenRouter - A router for LLMs and other AI models
edX - Best Courses. Top Institutions. Learn anytime, anywhere.
BazaarLink - BazaarLink ๆฏๅฐ็ฃ AI API ่ๅๅนณๅฐ๏ผๆดๅ GPT-4oใClaudeใGeminiใDeepSeek ็ญไธปๆตๆจกๅ๏ผๆไพ OpenAI ็ธๅฎน APIใๅฐๅนฃ่จ่ฒปใไธ่ฏๅผ็ตฑไธ็ผ็ฅจ๏ผๅๅฉๅฐ็ฃ้็ผ่ ่ไผๆฅญไธฒๆฅๆๆฐ AI ๆๅใ
Treehouse - Treehouse is an award-winning online platform that teaches people how to code.
VoidLLM - Self-hosted LLM proxy with load balancing, multi-provider routing, API key management, and usage tracking. Privacy-first โ zero knowledge of your prompts.