x402.deepsearch.com

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "docs": {
    "guide": "https://x402.deepsearch.com/llms.txt",
    "catalog": "https://x402.deepsearch.com/.well-known/x402.json",
    "openapi": "https://x402.deepsearch.com/openapi.json",
    "freeSample": "https://x402.deepsearch.com/v1/free/company/005930"
  },
  "error": "Payment required",
  "price": {
    "usd": "0.25",
    "asset": "USDC",
    "network": "Base Mainnet (eip155:8453)"
  },
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xbECc987508AdF6696A3254beD485CC2D9493C8AD",
      "amount": "250000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "howToPay": [
    "This endpoint uses the x402 protocol v2 (https://x402.org). The payment requirements above are also in the PAYMENT-REQUIRED response header (base64 JSON).",
    "Sign an EIP-3009 USDC authorization for accepts[0].amount (6-decimal atomic units) to accepts[0].payTo on the listed network, then retry the same request with the base64-encoded payment payload in the PAYMENT-SIGNATURE header. No gas is needed; the facilitator settles on-chain.",
    "Easiest path: wrap fetch with the @x402/fetch npm package, which handles the 402 and the retry automatically.",
    "x402 v1 clients that send X-PAYMENT are not supported."
  ],
  "resource": {
    "url": "https://x402.deepsearch.com/v1/context/theme-evidence",
    "description": "For an investment theme (e.g. HBM, 유리기판, 원전, robotics), the Korean listed companies linked to it with evidence graded confirmed / circumstantial / expectation: DART filing snippets with receipt numbers, regional revenue, earnings and order headlines, and price context since the signal. Separates real revenue from theme hype."
  },
  "x402Version": 2,
  "sampleRequest": {
    "type": "http",
    "queryParams": {
      "limit": "8",
      "theme": "HBM"
    }
  },
  "sampleResponse": {
    "data": {
      "theme": "HBM",
      "companies": [
        {
          "code": "000660",
          "name": "SK하이닉스",
          "grade": "확인",
          "filing_snippets": [
            {
              "text": "…",
              "rcept_no": "2026…"
            }
          ],
          "earnings_headlines": [
            "…"
          ]
        }
      ]
    },
    "packType": "theme-evidence"
  }
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xbECc987508AdF6696A3254beD485CC2D9493C8AD",
    "scheme": "exact",
    "network": "eip155:8453",
    "mimeType": "application/json",
    "resource": "https://x402.deepsearch.com/v1/context/theme-evidence",
    "description": "",
    "maxAmountRequired": "250000",
    "maxTimeoutSeconds": 300
  }
]

Provenance

Seen in the source catalog

2026-10-01 06:57Z

Last indexed by Roundhouse

2026-10-26 07:25Z

Last enriched (probe, favicon, geo)

2026-10-02 13:15Z

x402 version

1

Max timeout

300s

Liveness probe

HTTP 402