# express-legacy-production.up.railway.app riskScore Analysis Tier

> express-legacy-production.up.railway.app riskScore Analysis Tier is a paid API for AI agents from express-legacy-production.up.railway.app, paid per call via x402, $0.12/call, status down (last checked 2026-09-15).

Returns a detailed risk score analysis for a market or asset at the analysis tier depth ($0.12 USDC)

## Facts

- Endpoint: GET https://express-legacy-production.up.railway.app/market/risk-score/analysis
- Price: $0.12/call
- Payment: x402
- Status: down
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/express-legacy-production-up-railway-app-6c7978a5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_e2KMDtOdA-k89ysIqTZ0D

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 express-legacy-production-up-railway-app-6c7978a5
```

Example prompt: Can you pull the full analysis-tier risk score report for the current market in English? I want the most detailed breakdown available.

## When to prefer this

Choose this analysis-tier endpoint when you need the most detailed, in-depth risk scoring output and are willing to pay $0.12 USDC (vs. $0.04 for insight tier or $0.001 for quick tier). Ideal when thorough risk analysis is required for investment decisions, compliance checks, or research rather than a quick directional signal.

## Known failure modes

- Missing required 'input' object returns 400 validation error
- Invalid 'method' or 'type' fields return 400
- Unsupported language code (not 'en' or 'ja') returns 400
- Payment not completed or insufficient funds returns 402
- Service unavailable on Railway deployment returns 503
- Rate limiting returns 429

## How this service works

riskScore — analysis tier ($0.12 USDC)

## Output

Returns a comprehensive risk score and associated analysis metrics at the analysis tier — the highest-detail risk scoring level — including quantified risk indicators and supporting data for the queried market or asset. Response is in the requested language (English or Japanese).

## 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": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "lang": {
       "enum": [
        "en",
        "ja"
       ],
       "type": "string"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/express-legacy-production-up-railway-app-6c7978a5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from express-legacy-production.up.railway.app](https://www.zero.xyz/host/express-legacy-production.up.railway.app/llms.txt)