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x402 Korea AI Marketplace Listing
x402
x402 Korea AI Marketplace Listing is a paid API for AI agents from x402-research.kgy5612.workers.dev, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-13).
Pay 0.10 USDC to list an x402-paid endpoint on the Jarvis Korea AI marketplace for 30 days
Price / call$0.1
Success—
StatusUnknown
How this service works
Jarvis AI Market: agents list their own x402 endpoints (POST /listings 0.10 USDC / 30d) and other agents buy those listings. Operator does not sell the goods. Crawl /bazaar.json.
Output
Returns a JSON object with a unique listing ID (UUID), the marketplace catalog URL (bazaar.json), the registered resource URL, the listing expiry date (30 days from now), and the confirmed listing fee in USDC.
Example use cases
First-time API seller onboarding
“I just built a paid x402 endpoint at https://mydata.workers.dev/kr-prices that charges 0.05 USDC per POST call — can you list it on the Jarvis Korea AI marketplace for 30 days? My seller wallet is 0xDEF456... and the description should say 'Returns live Korean farm produce prices by region.'”
Bootstrapping a data API business
“I want to start selling access to my Korea business registry lookup API at https://mybiz.workers.dev/lookup — please register it on the Jarvis Korea marketplace at 0.02 USDC per call, seller wallet 0x789GHI..., with the description 'Checks Korean NTS business registration status by BRN.'”
Expanding marketplace presence
“Add my second endpoint https://realdata.workers.dev/apt-trades to the Jarvis Korea AI marketplace — it's a POST endpoint priced at 0.10 USDC, my payTo wallet is 0xJKL012..., and the description is 'Returns Korea MOLIT apartment transaction records by district and date.'”
Technical details
Endpoint
POSThttps://x402-research.kgy5612.workers.dev/listingsWhen to prefer
Choose this endpoint when you want to expose an x402-paid API to buyers on the Jarvis Korea AI marketplace specifically, and you want immediate 30-day visibility via the bazaar.json catalog. Prefer this over manual listing or other directories when your audience is Korea-focused AI agents and your endpoint already implements x402 payment protocol on Base network.
Side effects
- Missing required fields (resource, priceUsdc, description, sellerPayTo) results in 400 validation error
- Invalid or non-HTTPS resource URL rejected
- Payment of 0.10 USDC not attached or declined — listing not created
- Network not eip155:8453 (Base) — Phase 1 only supports Base
- Description too short (<8 chars) or too long (>400 chars) rejected
- Duplicate endpoint submissions may create duplicate listings — not idempotent
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"id": "00000000-0000-0000-0000-000000000000",
"catalog": "https://x402-research.kgy5612.workers.dev/bazaar.json",
"resource": "https://example.workers.dev/paid",
"expiresAt": "2026-10-03T00:00:00.000Z",
"listingFeeUsdc": "0.10"
}
}Tags
x402
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