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The API launchpad for Robinhood Chain
Turn any endpoint into a paid product.
Paste your API URL, set a tiny per-request price, and launch. We handle the x402 payment wall, settlement, public listing, and usage analytics.
01 Paste endpoint02 Set price03 Start earning
HTTP 402 ✓
EXAMPLE ONLY
POST /x402/weather-ai
content-type: application/json
{ "city": "Bengaluru" }
✓
Payment settled0.002 USDC · 184ms
200 OKsample earnings+ $76.84Example data · not live
Direct wallet payouts✦Zero platform fee✦Built-in analytics✦Agent-ready access
DEVELOPER WORKSPACE
Integration guide Launch your next API.
Bring your endpoint. Make it a product.
Product detailsGive your API a name and a home.
01↗
We keep this URL private and create a protected public gateway.▶
Add a YouTube, Vimeo, Loom, or public video URL to your project page.Access & pricingYour terms. Every request.
02$
R
Payment networkRobinhood ChainChain ID 4663 · Direct to your wallet
ActiveYour wallet signature proves ownership. Publishing does not move funds.
PUBLIC API MARKETPLACEUseful APIs.
Useful APIs.
Pay as you call.
Discover developer tools built for humans, apps, and autonomous agents. No subscriptions. No API-key checkout.
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API Live
WeatherAI
AI-ready weather data API
Price$0.002/ request
NetworkRobinhoodUSDC
Paid requests0all time
Revenue$0.00creator earned
Quick startcURL
curl -i -X POST "https://example.com/x402/weather-ai"
Autonomous usageNode.js
const result = await agent.call("weather-ai", { body: { input: "hello" } });Built for reliable payment
- ✓Direct settlementEvery payment goes to the creator wallet.
- ✓Replay protectedOne payment proof invokes one API request.
- ✓Public metricsUsage and revenue are transparently reported.
Secure file sales
Sell files with a simple payment link.
Upload a file or paste private content, choose a price, and publish a wallet-signed x402 link. Buyers unlock the original content after payment.
Encrypted storage
Direct wallet payments
Replay protected
1
Upload Content or Document
Click to upload or drag & drop
PDF, ZIP, JSON, CSV, MP4, PNG, Code, or Text files
2
Set Title & Price
3
Robinhood Chain Gas & Creator Signature
Real-Time Network Gas Fee (Arbitrum Orbit L2)
Chain ID: 4663
Base Gas Price
Estimate unavailable
Settlement Cost
Estimate unavailable
Confirmations required
2 blocks
Robinhood Chain (4663)
Loading price…
Loading Content...
Fetching paywall metadata from Robinhood Chain...
asset.pdf
2.4 MB
[Content is locked behind HTTP 402 Paywall. Complete payment on Robinhood Chain to unlock full download.]
Estimated L2 Network Gas Fee:
Estimate unavailable
My projects
Your launched APIs and paywalled files in one place.
API servicesMetered endpoints earning per request
| Service | Price | Requests | Revenue | Status | Actions |
|---|---|---|---|---|---|
| Connect your wallet to view API services. | |||||
Digital filesProtected downloads and content
| Title / Asset | Price | Views | Sales | Revenue | Created | Actions |
|---|---|---|---|---|---|---|
| Connect your wallet to view your paywalled links. | ||||||