createHttpFacilitator

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createHttpFacilitator(params): Facilitator

Builds a facilitator that proxies all RPC over HTTP to a remote endpoint, matching the request / response shapes of x402 v2 spec §7.

Works with any x402 v2-compliant facilitator — Coinbase CDP, your own self-hosted facilitator behind nginx, a regional mirror — as long as it exposes /verify, /settle, and /supported per the spec.

If your target facilitator doesn’t support the chain you need, fall back to createSelfFacilitator (in-process viem broadcaster).

Parameters

params

CreateHttpFacilitatorParams

Returns

Facilitator

Example

import { createHttpFacilitator } from "kawasekit";

const facilitator = createHttpFacilitator({
  baseUrl: process.env.X402_FACILITATOR_URL!, // e.g. Coinbase CDP endpoint
  getAuthHeaders: () => ({ Authorization: `Bearer ${apiKey}` }),
});