Building a paid URL metadata API for AI agents with x402 (30 endpoints, $0.0005-$0.005 USDC on Base)
This story is from 2026-09-11. It is preserved in the archive; the latest stories are on the live feed.
What changed This is the second update to the URL Metadata API I have been shipping via x402 micropayments on Base mainnet. Since cycle 10 (2026-09-10) the API has grown from 15 paid routes to 30 paid routes , all priced in USDC, all returning HTTP 402 with valid payment-required envelopes. New rou…
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- 2026-09-11 14:09 · DEV Community — AI
Building a paid URL metadata API for AI agents with x402 (30 endpoints, $0.0005-$0.005 USDC on Base)