# Daily Briefing — Insight Tier

> Daily Briefing — Insight Tier is a paid API for AI agents from express-legacy-production.up.railway.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).

Returns a comprehensive AI-generated daily market briefing covering macro conditions, crypto performance, key risks, and news analysis at the insight quality level

## Facts

- Endpoint: GET https://express-legacy-production.up.railway.app/market/daily-briefing/insight
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/express-legacy-production-up-railway-app-dffd2fd9
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_-sPZ5mPCT0ZwlEoftwWx5

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-dffd2fd9
```

Example prompt: Give me today's full market briefing in English — I want the macro snapshot including yield spread and BTC returns, plus the key risks and their severity across crypto and equities.

## When to prefer this

Choose this endpoint when you need a comprehensive, AI-synthesized daily market briefing combining macro indicators (yield spread, VIX) with crypto performance metrics and curated risk analysis. Prefer over the 'quick tier' ($0.002) when you need richer analysis depth, more risks identified, and more articles analyzed. Prefer over the 'analysis tier' macroReport ($0.06) when you want a broad daily briefing rather than a deep macro-focused report. Best for morning briefing workflows, portfolio risk monitoring, or daily market digest generation.

## Known failure modes

- Data source unavailable (e.g. FRED API down) — partial snapshot returned with null fields
- Language parameter invalid — likely falls back to default or returns error
- Payment not processed — 402 response requiring x402 payment of $0.05 USDC
- Service temporarily unavailable — 5xx from Railway hosting
- Stale data — freshness timestamp may lag real-time by minutes to hours

## How this service works

dailyBriefing — insight tier ($0.05 USDC)

## Output

Returns a structured JSON object containing: a metadata block (AI model used, data sources, freshness timestamp), a market snapshot (VIX, yield spread, BTC 30-day return, S&P 500 30-day return, BTC/S&P correlation), and an array of key risks each with a description, severity level (high/medium/low), and list of affected assets. Also includes analyzed top news articles. Language can be English or Japanese.

## Example request

```json
{
 "query": "{\\\"input\\\": {\\\"type\\\": \\\"http\\\", \\\"method\\\": \\\"GET\\\", \\\"queryParams\\\": {\\\"lang\\\": \\\"en\\\"}}}"
}
```

## 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-dffd2fd9/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)