# Script Master Labs — x402 Graph Agent (U.S. Federal Data)

> Script Master Labs — x402 Graph Agent (U.S. Federal Data) is a paid API for AI agents from mcp-x402.onrender.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).

Fetches U.S. federal data by address via a pay-per-call API settled in USDC on Base using the x402 protocol.

## Facts

- Endpoint: GET https://mcp-x402.onrender.com/x402/graph/agent
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/script-master-labs-x402-graph-agent-u-s-federal-data-f4d71dc2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_hcAoVJXLFWbPW9K4AWLAp

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-graph-agent-u-s-federal-data-f4d71dc2
```

Example prompt: Can you look up U.S. federal data for the address 1600 Pennsylvania Avenue NW, Washington DC using the Script Master Labs x402 API — it charges $0.001 USDC per call settled on Base?

## When to prefer this

Choose this endpoint when you need U.S. federal data keyed to a specific street address and want to pay per-call in USDC via the x402 micropayment protocol on Base, avoiding subscription fees. It is best suited for agents with crypto wallets executing low-volume or on-demand lookups of government records, especially in workflows that already use x402-compatible payment infrastructure.

## Known failure modes

- Missing required 'address' query parameter returns a validation error
- Insufficient USDC balance or failed x402 payment results in a 402 Payment Required response
- Invalid or unrecognized address may return empty results or null data
- Malformed input object (missing 'type' or 'method' fields) causes schema validation failure
- Render.com cold-start latency may cause intermittent timeouts on first call

## 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 a JSON payload containing U.S. federal data records associated with the queried address, delivered as graph-structured data. The exact fields depend on what federal datasets are indexed for the given address, but the response follows the example schema provided by the API.

## 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": [
      "address"
     ],
     "properties": {
      "address": {
       "type": "string"
      }
     }
    }
   }
  },
  "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-graph-agent-u-s-federal-data-f4d71dc2/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)