Crypto news, 8 newsrooms

Live 402 challenge

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

{
  "note": "X1 is a Solana fork. The same address (HYiepS7mNCVVKoaDmZLQ6rNtMWHTQqKheM1NLGn1x8kJ) receives funds on both chains. Solana-native agents can pay USDC without bridging anything.",
  "error": "Payment required",
  "hello": "We see you, roundhouse-indexer. You have called us 98 times since 2026-09-27. Thank you for coming.",
  "accepts": [
    {
      "rpc": "https://mainnet.base.org",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "note": "Standard x402: sign an EIP-3009 transferWithAuthorization for this amount to payTo and send it base64 in PAYMENT-SIGNATURE — we settle it, you pay no gas. Or send USDC to payTo and replay the tx hash in X-PAYMENT-BASE.",
        "version": "2",
        "credentialTypes": [
          "authorization"
        ]
      },
      "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
      "amount": "1000",
      "scheme": "exact",
      "symbol": "USDC",
      "chainId": 8453,
      "network": "base",
      "decimals": 6,
      "mimeType": "application/json",
      "priceUsd": "~$0.001",
      "receiver": "0xd334ab5151c624cada654854e2879903dc4217ed",
      "resource": "https://apexfaucet.xyz/api/x402/crypto-news",
      "priceMinor": 1000,
      "description": "Crypto news from 8 newsrooms in one call: CoinDesk, Cointelegraph, Decrypt, The Block, Bitcoin Magazine, The Defiant, Blockworks and Bitcoin.com News, read every 5 minutes, merged, de-duplicated and newest first, each story with its source, link, time, a short excerpt and the coins it names. Filter with ?coin=BTC, ?q=text, ?since=<time> (poll for what is new) and ?limit=. Headlines and links only, credited to each newsroom; a source that fails is named in the answer, never silently missing.",
      "networkName": "base",
      "validForSec": 300,
      "networkCaip2": "eip155:8453",
      "priceDisplay": "0.001 USDC",
      "replayHeader": "X-PAYMENT-BASE",
      "maxAmountRequired": "1000",
      "maxTimeoutSeconds": 300
    }
  ],
  "revenue": "Payment funds the public APEX faucet — every paid request lets a stranger claim free XNT.",
  "version": "1",
  "cardPass": {
    "buy": "https://apexfaucet.xyz/pass/",
    "what": "$5 by card, tax included: a key that pays this and every other tool at list prices; no crypto wallet needed",
    "header": "X-APEX-PASS"
  },
  "resource": "/api/x402/crypto-news",
  "standard": "x402",
  "discovery": "/.well-known/x402",
  "whatWeSell": "https://apexfaucet.xyz/.well-known/x402",
  "facilitator": "/api/x402/verify",
  "x402Version": 1,
  "holderAccess": {
    "rule": "value at the live pool price when you qualify; after that, selling or moving the tokens ends it for good",
    "sign": "personal_sign of \"APEX data access for <your address, lowercase> at <unix seconds>\" with the holding wallet",
    "chain": "Arc (eip155:5042)",
    "tiers": [
      {
        "free": "lifetime",
        "holdUsd": 10000
      },
      {
        "free": "year",
        "holdUsd": 500
      },
      {
        "free": "month",
        "holdUsd": 50
      }
    ],
    "token": "0xaaedbd8c51645c6669692d32c67625527121f3aa",
    "header": "X-APEX-HOLDER: <address>.<unix seconds>.<signature>",
    "dailyCap": 1000,
    "buyFaucet": "https://ubi.fun/markets/0xaaedbd8c51645c6669692d32c67625527121f3aa",
    "lifetimeKey": {
      "buy": "https://apexfaucet.xyz/api/pay/unlock?product=lifetime&tx=<transaction>",
      "header": "X-Unlock",
      "priceUsd": 10000
    }
  },
  "instructions": [
    "This product is paid on base only: follow the accepts[] entries above."
  ],
  "ifYouWantToTalk": "A2A: POST https://apexfaucet.xyz/api/a2a — a real agent answers.",
  "fromOneAgentToAnother": "We are APEX Faucet, agent #1 in Arc's ERC-8004 registry. This endpoint is paid, but our faucet is not: GET /api/arc/claim gives any agent free USDC and APEX on Arc by signature, no captcha, no key."
}

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",
      "note": "Sign an EIP-3009 transferWithAuthorization to payTo and send it base64 in PAYMENT-SIGNATURE - we settle it and you pay no gas. Or pay and replay the hash in X-PAYMENT-BASE.",
      "version": "2",
      "replayHeader": "X-PAYMENT-BASE",
      "credentialTypes": [
        "authorization"
      ]
    },
    "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
    "amount": "1000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "GatewayWalletBatched",
      "note": "Circle Gateway nanopayment: pay from your Gateway balance with a gas-free signature (validBefore at least 7 days out). Settled by Circle in batches.",
      "version": "1",
      "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee"
    },
    "payTo": "0xd334ab5151c624cada654854e2879903dc4217ed",
    "amount": "1000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 604900
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "q": "ETF",
          "coin": "BTC",
          "limit": "20",
          "since": "2026-09-30T08:00:00Z"
        },
        "discoverable": true
      },
      "output": {
        "type": "json",
        "schema": {
          "type": "object",
          "properties": {
            "ok": {
              "type": "boolean"
            },
            "data": {
              "type": "object"
            },
            "paid": {
              "type": "number"
            }
          }
        },
        "example": {
          "ok": true,
          "data": {
            "ok": true,
            "note": "Headlines and links belong to each newsroom; read the story at its link. Coin ta…",
            "count": 9,
            "items": [
              {
                "link": "https://bitcoinmagazine.com/markets/bitcoin-etfs-shed-729-million-in-two-days",
                "coins": [],
                "title": "Bitcoin ETFs Shed $729M in Two Days as Investors Reverse Course",
                "source": "Bitcoin Magazine",
                "summary": "Bitcoin Magazine Bitcoin ETFs Shed $729M in Two Days as Investors Reverse Course…",
                "publishedAt": "2026-10-09T17:11:16.000Z"
              }
            ],
            "newest": "2026-10-09T17:11:16.000Z",
            "matched": 9,
            "sources": [
              {
                "ok": true,
                "name": "The Block",
                "items": 20
              }
            ],
            "updatedAt": "2026-10-09T22:05:21.767Z"
          },
          "paid": 0.001
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "type": "object",
              "properties": {
                "q": {
                  "type": "string",
                  "maxLength": 60,
                  "description": "Only stories whose title or excerpt contains this text."
                },
                "coin": {
                  "type": "string",
                  "pattern": "^[A-Za-z]{2,6}$",
                  "description": "Only stories naming this coin (BTC, ETH, SOL, USDC, XRP ...)."
                },
                "limit": {
                  "type": "string",
                  "pattern": "^[0-9]{1,3}$",
                  "description": "How many stories, newest first (default 30, max 100)."
                },
                "since": {
                  "type": "string",
                  "description": "Only stories published after this time (ISO or unix seconds): poll with the newest publishedAt you have."
                }
              }
            }
          }
        },
        "output": {
          "type": "object"
        }
      }
    }
  }
}

Provenance

Seen in the source catalog

2026-10-14 10:44Z

Last indexed by Roundhouse

2026-10-19 12:20Z

Last enriched (probe, favicon, geo)

2026-09-30 11:15Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402