{
  "format": "delx/intent-card/v1",
  "id": "catalog-intent-rank-api",
  "intent": "Catalog Intent Rank Lite for an agent workflow",
  "title": "Catalog Intent Rank Lite API for agents",
  "description": "Rank candidate tool names by token overlap with a query. Call when routing a natural-language intent to top SKU names offline. Returns ranked tool_name scores as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.",
  "keywords": [
    "Catalog Intent Rank Lite API",
    "Catalog Intent Rank Lite for agents",
    "pay per result API",
    "x402 API",
    "no API key"
  ],
  "updated_at": "2026-08-23",
  "canonical_url": "https://commerce.delx.ai/intents/catalog-intent-rank-api",
  "machine_url": "https://commerce.delx.ai/intents/catalog-intent-rank-api.json",
  "recommendation": {
    "tool_name": "util_catalog_intent_rank",
    "service_name": "Catalog Intent Rank Lite",
    "method": "POST",
    "resource": "https://api.delx.ai/api/v1/x402/catalog-intent-rank",
    "price_usdc": "0.001",
    "payment_protocols": [
      "x402",
      "mpp"
    ],
    "input_schema": {
      "type": "object",
      "properties": {
        "query": {
          "type": "string",
          "description": "Natural language intent query"
        },
        "candidates": {
          "type": "array",
          "description": "Candidate tool_name list"
        }
      },
      "required": [
        "query",
        "candidates"
      ],
      "additionalProperties": true
    },
    "example_input": {
      "query": "kelly prediction market",
      "candidates": [
        "util_kelly_binary",
        "util_dns_lookup",
        "util_gwei_to_wei"
      ]
    },
    "example_output": {
      "schema": "delx/util-catalog-intent-rank/v1",
      "ranked": [
        {
          "tool_name": "util_kelly_binary",
          "score": 1
        },
        {
          "tool_name": "util_dns_lookup",
          "score": 0
        },
        {
          "tool_name": "util_gwei_to_wei",
          "score": 0
        }
      ]
    },
    "agentcash": {
      "buy": "npx agentcash@latest fetch https://api.delx.ai/api/v1/x402/catalog-intent-rank -m POST -H 'x-delx-source: intent-card-catalog-intent-rank-api' --max-amount 0.001 -b '{\"query\":\"kelly prediction market\",\"candidates\":[\"util_kelly_binary\",\"util_dns_lookup\",\"util_gwei_to_wei\"]}'",
      "max_amount_usdc": "0.001"
    }
  },
  "attribution": {
    "header": "x-delx-source",
    "value": "intent-card-catalog-intent-rank-api"
  },
  "evidence": {
    "paid_openapi": "https://api.delx.ai/openapi.x402.json",
    "governed_portfolio": "https://api.delx.ai/x402-portfolio.json",
    "live_contract": "https://api.delx.ai/api/v1/x402/catalog-intent-rank"
  }
}