PulseFeed — x402 Trust & Safety Oracle

[
  {
    "docs": {
      "llms": "https://pulsefeed.dev/llms.txt",
      "site": "https://pulsefeed.dev/data",
      "openapi": "https://pulsefeed.dev/openapi.json"
    },
    "error": "X-PAYMENT header is required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x7f5f784Ba98cEcFC0bA4336f0E48222A3d4d69a8",
        "scheme": "exact",
        "network": "base",
        "mimeType": "application/json",
        "resource": "https://pulsefeed.dev/trust/dataset",
        "description": "Bulk trust data for every x402 service in one call. For builders of trust, uptime and monitoring tools: each service's full profile — 0-100 trust score and pay/avoid verdict, scam flags, receiver stability, on-chain receiver profile, plus the compounding payTo and price change history. Skip scraping hundreds of endpoints. ?all=1 includes dead ones, ?limit=N. Free preview: /status.json, /data/sample.",
        "outputSchema": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "all": "set to 1 to include dead/invalid services",
              "limit": "max services to return (default 2000)"
            },
            "discoverable": true
          }
        },
        "maxAmountRequired": "100000",
        "maxTimeoutSeconds": 60
      }
    ],
    "freeSample": "https://pulsefeed.dev/data/sample",
    "quickstart": {
      "curl": "curl https://pulsefeed.dev/trust/dataset  # returns this 402 challenge; retry with an X-PAYMENT header built by any x402 client",
      "node": "import { wrapFetchWithPayment } from \"x402-fetch\"; const payingFetch = wrapFetchWithPayment(fetch, account); const r = await payingFetch(\"https://pulsefeed.dev/trust/dataset\"); // account = viem account with USDC on Base",
      "guard": "npm i pulsefeed-x402-guard  # optional: verify endpoints before paying",
      "install": "npm i x402-fetch viem"
    },
    "freePreview": "https://pulsefeed.dev/status.json",
    "x402Version": 1
  },
  {
    "docs": {
      "llms": "https://pulsefeed.dev/llms.txt",
      "site": "https://pulsefeed.dev/data",
      "openapi": "https://pulsefeed.dev/openapi.json"
    },
    "error": "X-PAYMENT header is required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x7f5f784Ba98cEcFC0bA4336f0E48222A3d4d69a8",
        "scheme": "exact",
        "network": "base",
        "mimeType": "application/json",
        "resource": "https://pulsefeed.dev/data/full",
        "description": "The whole agentic-commerce trust dataset in one call: every audited x402 endpoint (trust score, scam flags, on-chain receiver, payTo/price history) AND every audited MCP server (safe/avoid, install-script risk, abandonment) plus incidents with on-chain proof. Cross-domain and longitudinal. NOTE: $1.00 exceeds the default 0.1 USDC cap in x402-fetch — pass maxValue. Free sample: /data/sample",
        "outputSchema": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "all": "set to 1 to include dead/invalid x402 services",
              "limit": "max x402 services (default 3000)"
            },
            "discoverable": true
          }
        },
        "maxAmountRequired": "1000000",
        "maxTimeoutSeconds": 60
      }
    ],
    "freeSample": "https://pulsefeed.dev/data/sample",
    "quickstart": {
      "curl": "curl https://pulsefeed.dev/data/full  # returns this 402 challenge; retry with an X-PAYMENT header built by any x402 client",
      "node": "import { wrapFetchWithPayment } from \"x402-fetch\"; const payingFetch = wrapFetchWithPayment(fetch, account, BigInt(1000000)); const r = await payingFetch(\"https://pulsefeed.dev/data/full\"); // account = viem account with USDC on Base",
      "guard": "npm i pulsefeed-x402-guard  # optional: verify endpoints before paying",
      "install": "npm i x402-fetch viem"
    },
    "freePreview": "https://pulsefeed.dev/data.json",
    "x402Version": 1,
    "clientSpendCapWarning": "This resource costs 1.00 USDC, which is above x402-fetch's DEFAULT client-side cap of 0.10 USDC. A client using default settings will refuse the payment locally before sending it. Pass maxValue explicitly: wrapFetchWithPayment(fetch, account, BigInt(1000000)). Cheaper alternatives under the default cap: GET /trust/dataset ($0.10, x402-only bulk feed) or GET /trust?endpoint= ($0.004, single check). Free sample: https://pulsefeed.dev/data/sample"
  },
  {
    "docs": {
      "llms": "https://pulsefeed.dev/llms.txt",
      "site": "https://pulsefeed.dev/data",
      "openapi": "https://pulsefeed.dev/openapi.json"
    },
    "error": "X-PAYMENT header is required",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x7f5f784Ba98cEcFC0bA4336f0E48222A3d4d69a8",
        "scheme": "exact",
        "network": "base",
        "mimeType": "application/json",
        "resource": "https://pulsefeed.dev/trust",
        "description": "Is this x402 endpoint safe to pay? Vet an unknown seller BEFORE paying: pay/avoid verdict, 0-100 trust score, live 402 probe, scam flags (payTo hijack, bait-and-switch pricing, honeypot, wrong asset) and an on-chain check of the receiver on Base. Reads x402 v1 (body) AND v2 (PAYMENT-REQUIRED header) — body-only checkers call live v2 services dead. ?endpoint=url; omit for a trust-ranked catalog.",
        "outputSchema": {
          "input": {
            "type": "http",
            "method": "GET",
            "queryParams": {
              "endpoint": "x402 endpoint URL to verify (omit for the working-services catalog + risk map)"
            },
            "discoverable": true
          }
        },
        "maxAmountRequired": "4000",
        "maxTimeoutSeconds": 60
      }
    ],
    "quickstart": {
      "curl": "curl https://pulsefeed.dev/trust  # returns this 402 challenge; retry with an X-PAYMENT header built by any x402 client",
      "node": "import { wrapFetchWithPayment } from \"x402-fetch\"; const payingFetch = wrapFetchWithPayment(fetch, account); const r = await payingFetch(\"https://pulsefeed.dev/trust\"); // account = viem account with USDC on Base",
      "guard": "npm i pulsefeed-x402-guard  # optional: verify endpoints before paying",
      "install": "npm i x402-fetch viem"
    },
    "freePreview": "https://pulsefeed.dev/verify?endpoint=<url>",
    "x402Version": 1
  }
]