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Commerce Variant Resolve

by Forest Commerce in Developer tools

x402 APIPassing, checked 3 h ago

Resolve requested product options to a canonical public variant when the provider exposes them. Ambiguous or missing options are reported explicitly; no checkout or cart mutation occurs. Base mainnet USDC

POST https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/variant-resolve

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
38 ms typical, 38 ms slowest 5%
Last check
3 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/variant-resolve" \
  -H "content-type: application/json" \
  -d '{"options":{"Color":"Black","Size":"M"},"url":"https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/products/forest-demo-widget"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fhttp--forest-gas-station-mainnet--lcjl27p8lmjs.code.run%2Fcommerce%2Fvariant-resolve
const res = await pay("https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/commerce/variant-resolve", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"options":{"Color":"Black","Size":"M"},"url":"https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/products/forest-demo-widget"}),
});
console.log(await res.json());

Example input

{
  "options": {
    "Color": "Black",
    "Size": "M"
  },
  "url": "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/products/forest-demo-widget"
}

Example output

{
  "capability": "commerce.variant-resolve",
  "data": {
    "alternatives": [],
    "ambiguity": "example",
    "available": false,
    "matched": false,
    "price": 1,
    "selected_options": [],
    "sku": "example",
    "variant_id": "example"
  },
  "meta": {
    "cache": "miss",
    "checked_at": "2026-01-01T00:00:00.000Z",
    "duration_ms": 0,
    "provider": "shopify-ajax"
  },
  "ok": true,
  "version": "1"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
3 h agoPassed40238 ms$0.003