Mixway
The handshake

402 → pay → 200 OK.

One HTTP round trip, settled inline. The 402 carries the price; the retry carries the payment.

01 GET the lane——02 402 · Ticket——03 Sign the Pass——04 200 · Receipt
① challenge
GET /premium
← 402 Payment Required

x-toll-ticket:
{
  scheme: "toll-exact",
  amount: "2000",
  asset: "USDC",
  payTo: "13Ev…"
}
② sign
// transponder
const pass = sign(
  transfer(payTo, 2000),
  memo(ticket.nonce),
  wallet,
)

x-toll-pass:
"‹signed transfer›"
③ settle
GET /premium
x-toll-pass: …
← 200 OK

x-toll-receipt:
{
  tx: "5aUz…",
  settled: "0.002",
  asset: "USDC"
}
Two sides of the gate

Callers pay. Sellers get paid.

The same handshake serves both ends: an autonomous caller settles a request inline, a seller prices a route and collects a payment on-chain.

Caller

Pay for a call — no card

  • Pay for a call without a card, key, or account.
  • Sign a single Solana transfer and retry the request.
  • Every paid call returns an on-chain settlement receipt.
Try live console
Seller

Price a URL in one line

  • Price any route in one line of middleware.
  • The Gate collects the toll before serving a response.
  • No keys to issue, no dashboards, no invoices to reconcile.
Monetize a URL