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Put any API behind x402 in one call, settle USDC on Base, buy credits, find paid resources
About
Put any API behind x402 in one call, settle USDC on Base, buy credits, find paid resources
Remote endpoints: streamable-http: https://pay.neuronto.com/mcp
Security Report
Valid MCP server (1 strong, 0 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.
6 tools verified · Open access · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"com-neuronto-x402-payments-facilitator": {
"url": "https://pay.neuronto.com/mcp"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
x402 starters
The shortest working way to charge for an HTTP route, and to pay for one, using the official x402 SDKs. Every file here runs as it is; the only thing you must change is the wallet that gets paid.
x402 revives HTTP 402 Payment Required. Your server answers an unpaid request with 402 and
machine-readable terms, the client signs a stablecoin payment, and a facilitator verifies the
signature and settles it on-chain. Your server never holds a key and never talks to a chain.
Pick one
| Folder | Stack | What it is |
|---|---|---|
express | Node, Express | One paid GET /premium route |
hono | Node, Hono | The same route on Hono |
next | Next.js App Router | A paid API route |
fastapi | Python, FastAPI | The same route in Python |
client | Node and Python | Paying for a 402 route from a script or an agent |
Run one in a minute
cd express
npm install
export MERCHANT=0xYourWalletAddress # where the money goes, on Base
npm start
curl -i localhost:3000/premium # 402 with terms
Then pay it with a client from client, or point any x402 client at it.
The facilitator
These starters use https://pay.neuronto.com as the facilitator: the service that verifies the payer's
signature and broadcasts the settlement. It is one line in every file, and any x402 facilitator
can take its place:
new HTTPFacilitatorClient({ url: "https://pay.neuronto.com" })
Base mainnet (eip155:8453) is live there. GET https://pay.neuronto.com/supported lists every network,
scheme and version it settles right now; a network that cannot settle disappears from that list
before it starts refusing, so a server that reads /supported never advertises a price it
cannot take.
Testing without spending anything
https://pay.neuronto.com/echo is a live merchant that charges $0.001 and sends it straight back in the
same request, so a client can be run end to end for the cost of nothing:
curl -i https://pay.neuronto.com/echo # a real 402, with real terms
Point any of the clients in client at that URL. The refund is automatic; the gas is
not yours.
What you need
- A wallet address to be paid to. Nothing is installed on your side to receive money: payments
arrive as USDC transfers to the address you put in
MERCHANT. - For a paying client, a funded key. Never put a real key in a file: every example here reads it from the environment.
Licence
Apache-2.0.
Reviews
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