Orcpin · Wash Sale Status

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://orcpin.dev/v1/wash-sale-status", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "order": {
      "side": "buy",
      "symbol": "XYZ",
      "tradeDate": "2026-07-02"
    },
    "recentSales": [
      {
        "account": "taxable",
        "realizedLoss": 450,
        "symbol": "XYZ",
        "tradeDate": "2026-06-12"
      }
    ],
    "salesCoverageFrom": "2026-06-01"
  }),
});
const data = await res.json();

curl -X POST \
  "https://orcpin.dev/v1/wash-sale-status" \
  -H "Content-Type: application/json" \
  -d '{"order":{"side":"buy","symbol":"XYZ","tradeDate":"2026-07-02"},"recentSales":[{"account":"taxable","realizedLoss":450,"symbol":"XYZ","tradeDate":"2026-06-12"}],"salesCoverageFrom":"2026-06-01"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "coverage": {
    "complete": true,
    "requiredFrom": "2026-06-02",
    "suppliedFrom": "2026-06-01"
  },
  "disclaimer": "Deterministic computation on caller-supplied data. Not tax, legal, or investment advice. …",
  "evaluated_loss_sales": 1,
  "explanation": "Buying XYZ on 2026-07-02 falls within the 30-day window of the 2026-06-12 realized-loss sale …",
  "matches": [
    {
      "account": "taxable",
      "daysFromOrder": -20,
      "realizedLoss": 450,
      "saleDate": "2026-06-12",
      "symbol": "XYZ"
    }
  ],
  "rule_citation": "IRC §1091 (wash sales), ±30-day window — cited as a published rule only",
  "schema_version": "washsale-v1",
  "spec": "wash-sale-status",
  "status": "would_trigger",
  "window": {
    "days": 30,
    "end": "2026-08-01",
    "start": "2026-06-02"
  }
}