Script Master Labs x402 Data API
Pay-per-call federal data API — FDA, SEC, Treasury via x402
Script Master Labs x402 Data API launched on June 30, 2026 with 3 votes, #6,658 of 22,647 launches that month and more than 50% of that year's launches.
What it does
Script Master Labs x402 Data API gives developers and AI agents instant access to 14 live U.S. government data sources with zero setup. No API keys, no subscriptions — just send an HTTP request and pay in $USDC on Base via x402. Covers federal grants, SAM.gov firm lookup, FDA drug data, clinical trials, SEC EDGAR Form 4 + 8-K filings, Treasury yield curve, claim fact-checking, and AI agent reputation scoring.
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x4022025 · x402.org · ▲119Hi HN – excited to announce x402, initially developed by Coinbase (YC 12) x402 lets any HTTP API charge per request without issuing API keys or storing credit cards. Buyers (humans or AI agents) keep funds in their own wallet and dynamically discover compatible endpoints, call them as usual, and automatically pay a microtransaction in USDC or other tokens to settle. 90 second demo: https://www.youtube.com/watch?v=PV-L2AfLhJg Problem: Every time we want to use a new API we have to: find the service online create a developer account, copy a secret key into env vars, pre-fund or…
x402 wallet API: 9 Base endpoints, USDCAug 2026 · api.kachangsia.com · ▲19 Base endpoints for AI agents, paid in USDC per call
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