
AgentGatePay
x402
Real-world tasks your agent can't do alone.

Codecademy
The Odin Project
edX
Coursera
Treehouse
Khan Academy
Pluralsight
Learn to code by helping nonprofits.

Which is more popular?
Based on our record, Free Code Camp seems to be a lot more popular than Underscore Done. While we know about 577 links to Free Code Camp, we've tracked only 1 mention of Underscore Done.
Website, pricing, platforms and company facts side by side.
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| Website | underscoredone.com | freecodecamp.org |
| Pricing | — | |
| Company | Startup from the United States · 2026 | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


Underscore Done (_done) is a suite of pay-per-call utility APIs built for AI agents. No API keys, no subscriptions - agents pay per request with USDC via the x402 protocol
No description of Free Code Camp yet.
What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Underscore Done yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
No Underscore Done videos yet. You could help us improve this page by suggesting one.
Free Code Camp Review - Is It Worth Your Time?
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Underscore Done and Free Code Camp.
Underscore Done's answer
We provide data and actions that AI cannot achieve.
Also we don't require accounts, registration, api keys. And we charge per usage and never charge monthly subscriptions.
Underscore Done's answer
Ai Agents that work on behalf of people.
Share your experience with using Underscore Done and Free Code Camp. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Underscore Done yet. Be the first one to post
freeCodeCamp grants certificates to candidates after they finishing a topic/chapter which can enrich your portfolio However, if you are looking/preparing for jobs, leetcode is better
Free Code Camp is a web development bootcamp that has helped tens of thousands of their graduates find a job at tech companies.
Recommendations tracked on public social media and blogs since March 2021.


_done is a catalog of small, pay-per-call utility APIs aimed at AI agents: things like DNS and WHOIS lookups, screenshots, OCR, hashing, QR codes, and SEO extraction. Every call costs one cent in USDC over x402. There's no account and no... - Source: dev.to / 17 days ago
FreeCodeCamp Freecodecamp.org Free coding tutorials, including responsive design and JavaScript. - Source: dev.to / over 1 year ago
Freecodecamp provides 10+ free web development courses in JavaScript, Python, front-end, and back-end that are more than enough to kickstart any developer's career. You learn through interactive coding exercises and articles, and can... - Source: dev.to / over 2 years ago
Don't do bootcamp. Start with something like https://freecodecamp.org and take a few lessons. Try to build something from that and see how motivated you are. If you see some progress and this thing still excites you, then may be find an... - Source: Hacker News / over 2 years ago
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Enable AI agents to make autonomous payments with AP2 mandates and X402 protocol. Multi-chain crypto, budget controls, instant settlement.
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Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.
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An open protocol for internet-native payments from Coinbase
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How it works. This is the website we wish we had when we were learning on our own. We scour the internet looking for only the best resources to supplement your learning and present them in a logical order.
Compare The Odin Project to Underscore Done or Free Code Camp: