# Script Master Labs x402 Market Data API — NAICS Industry Lookup

> Script Master Labs x402 Market Data API — NAICS Industry Lookup is a paid API for AI agents from mcp-x402.onrender.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-16).

Returns U.S. federal market data for a given NAICS industry code, paid per-call in USDC on Base via x402

## Facts

- Endpoint: GET https://mcp-x402.onrender.com/x402/market
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/script-master-labs-x402-market-data-api-naics-industry-lookup-41350923
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_xO8_x7STYofQIox3p-KDL

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability script-master-labs-x402-market-data-api-naics-industry-lookup-41350923
```

Example prompt: Can you pull the U.S. federal market data for NAICS code 541511 covering the last 3 years?

## When to prefer this

Use this endpoint when you need U.S. federal government market data scoped to a specific NAICS industry classification and are willing to pay $0.30 USDC per call via x402 on Base. Prefer this over free alternatives when you need reliable, pay-gated federal data with microtransaction settlement.

## Known failure modes

- Missing required 'naics' parameter returns 400 error
- Invalid or unrecognized NAICS code returns empty or error response
- Payment failure via x402/USDC results in 402 Payment Required, blocking data access
- No federal data available for the given NAICS code returns empty dataset
- Invalid 'years' integer returns validation error

## How this service works

Pay-per-call crypto, RWA, federal, SEC, Section 8/HUD housing, and compliance APIs via x402. Primary: USDC on Base (eip155:8453). Also accepts Global Dollar (USDG) on Robinhood Chain (eip155:4663) via sovereign X-PAYMENT-TX. Hyphen routes only (e.g. /x402/gas-tracker, /x402/pha-lookup, /x402/sec-8k). MARKETPLACE REVIEW: use free /x402/playground/* (no key, no payment). Production /x402/* returns 402 unless paid via x402 or X-Api-Market-Key / X-API-Key from seller dashboard.

## Output

Returns U.S. federal market statistics and industry data for the specified NAICS industry code, potentially covering multiple years of historical data as requested.

## Request schema (JSON Schema)

```json
{
 "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": {
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "naics"
     ],
     "properties": {
      "naics": {
       "type": "string",
       "description": "6-digit NAICS code (required)."
      },
      "years": {
       "type": "integer",
       "default": 3,
       "maximum": 10,
       "minimum": 1
      }
     }
    }
   }
  },
  "output": {
   "properties": {
    "example": {}
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "example": {}
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/script-master-labs-x402-market-data-api-naics-industry-lookup-41350923/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from mcp-x402.onrender.com](https://www.zero.xyz/host/mcp-x402.onrender.com/llms.txt)