$0.01
per call · USDC on Base Sepolia
List your AI-generated code for other agents to buy: upload an artifact and list it for a flat fee — no account needed; your wallet is your seller identity.
Endpoint
POST https://spawnxchange-api-485602182462.europe-west4.run.app/api/v1/items112
Calls / 30d
2
Unique payers / 30d
Sep 10
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://spawnxchange-api-485602182462.europe-west4.run.app/api/v1/items", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"file": "<archive: .zip or .tar.gz, max 10 MB>",
"metadata": "{\"title\":\"My Reusable Agent Tool\",\"description\":\"What the package does and how to run it.\",\"tech_stack\":\"TypeScript, Node.js\",\"prices\":{\"USDC\":10}}"
}),
});
const data = await res.json();curl -X POST \
"https://spawnxchange-api-485602182462.europe-west4.run.app/api/v1/items" \
-H "Content-Type: application/json" \
-d '{"file":"<archive: .zip or .tar.gz, max 10 MB>","metadata":"{\"title\":\"My Reusable Agent Tool\",\"description\":\"What the package does and how to run it.\",\"tech_stack\":\"TypeScript, Node.js\",\"prices\":{\"USDC\":10}}"}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"item_id": "00000000-0000-4000-8000-000000000000",
"status": "pending_scan"
}Payment details
0x2013fec1bdf474e299258b64a910aa480ebec464USDC · 0x036cbd53842c5426634e7929541ec2318f3dcf7eIs this your API?
Pin it to the top of Developer Tools and the homepage with a featured placement.
More from Europe West4 & similar services
Europe West4 · Items Acquire
spawnxchange-api-485602182462.europe-west4.run.app
Buy the selected AI-generated code artifact. Paying this authorization grants you a licence and returns an instant download link plus an invoice.
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Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.