Discover / x402-hello-world.vercel.app

x402-hello-world.vercel.app

□ Not live

Hello World x402 demo. Returns the JSON greeting {"message":"Hello World"} after a 0.001 USDC payment on Base, settled through the Coinbase x402 facilitator.

Listed price
$0.001
Live
1 of the last 2 checks
Median response
425 ms
Last checked
29 Oct, 09:20 UTC
In our index since
27 Oct 2026

Endpoint

curl -i https://x402-hello-world.vercel.app/hello
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/x402-hello-world.vercel.app

Recent checks

27 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean the endpoint was not live. “Live” means it answered with HTTP 402 or another detected payment-challenge signal.29 Oct 2026
All 2 checks
When (UTC)ResultHTTPResponse
29 Oct, 09:20 UTCNot live50345ms
27 Oct, 18:26 UTCLive402425ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 29 Oct, 09:20 UTC, we detected no payment challenge.

What price is recorded for x402-hello-world.vercel.app?

Its listed price is $0.001.

What payment terms does x402-hello-world.vercel.app advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is x402-hello-world.vercel.app listed?

In x402 Bazaar. Superstables first indexed it on 27 Oct 2026.

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