x402watch

List all 33 x402 service categories with aggregate stats: services count, 24h volume, transaction count, real-volume %, and label distribution. Use this to understand the shape of the x402 ecosystem before drilling into specific services or wallets. Free tier. No payment required. Returns wash-filtered data using the same v2.0 algorithm as the paid endpoints.

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}

{
  "type": "object",
  "additionalProperties": true
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Get the full detail record for one x402 service: name, description, seller address, chain, price, 24h and total transaction stats, 30-day daily volume time series, buyer-label distribution, and top buyers. Use this to evaluate a single service's traffic composition. Free tier. No payment required. Returns wash-filtered data using the same v2.0 algorithm as the paid endpoints.

{
  "type": "object",
  "properties": {
    "service_id": {
      "description": "Numeric x402 service id (visible in /services list and detail URLs).",
      "type": "integer"
    }
  },
  "required": [
    "service_id"
  ],
  "additionalProperties": false
}

{
  "type": "object",
  "additionalProperties": true
}

Get the aggregate wash-report dataset: 30-day total active buyers, real-volume %, suspected_wash and self_test counts, full 8-label distribution, 14-day wash percentage time series, and five anonymized case studies (Service A through E) with pattern signals. For per-address real-time wash analysis with full signal breakdown, use the paid POST /api/v1/wash/check HTTP endpoint ($0.05 USDC) — that endpoint speaks x402, agents pay and receive data in a single HTTP round-trip. Free tier. No payment required. Returns wash-filtered data using the same v2.0 algorithm as the paid endpoints.

{
  "type": "object",
  "properties": {
    "address": {
      "default": "",
      "description": "Optional wallet or seller address. When provided, the response includes a hint about the paid per-address endpoint.",
      "type": "string"
    }
  },
  "additionalProperties": false
}

{
  "type": "object",
  "additionalProperties": true
}

Search the index of 36k+ x402 services with filters. Returns a paginated list of matching services with their stats and label mix. Use this to find services by topic, chain, or seller wallet. Free tier. No payment required. Returns wash-filtered data using the same v2.0 algorithm as the paid endpoints.

{
  "type": "object",
  "properties": {
    "search": {
      "default": "",
      "description": "Free-text match against name, description, or seller address.",
      "type": "string"
    },
    "category": {
      "default": "",
      "description": "Filter to a single category slug (e.g. 'ai_inference', 'wallet_analytics').",
      "type": "string"
    },
    "chain": {
      "default": "",
      "description": "Filter to one chain: 'base', 'solana', 'arbitrum', 'base-sepolia'.",
      "type": "string"
    },
    "sort": {
      "default": "tx_24h",
      "description": "Sort key: tx_24h | volume_24h | tx_total | price | real_pct | wash_pct | first_seen | alpha.",
      "type": "string"
    },
    "page": {
      "default": 1,
      "description": "1-indexed page number.",
      "type": "integer"
    },
    "page_size": {
      "default": 24,
      "description": "Page size (max 200; default 24).",
      "type": "integer"
    }
  },
  "additionalProperties": false
}

{
  "type": "object",
  "additionalProperties": true
}

Get the last-24-hour trends snapshot: new services count vs the previous 24h, total transaction count, total USDC volume, active buyer count, daily new-services bar (14 days), recent new services (top 10), category volume movers, and hot services with traffic surges (>= 100 24h tx and >= +50% growth). Refreshed every 5 min. Free tier. No payment required. Returns wash-filtered data using the same v2.0 algorithm as the paid endpoints.

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}

{
  "type": "object",
  "additionalProperties": true
}