# Crypto Intelligence API – Market Sentiment Overview

> Crypto Intelligence API – Market Sentiment Overview is a paid API for AI agents from crypto-sentiment-api-production-0ff4.up.railway.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).

Returns AI-powered cryptocurrency market sentiment analysis and overviews across 17 major coins from multiple data sources

## Facts

- Endpoint: GET https://crypto-sentiment-api-production-0ff4.up.railway.app/sentiment/market
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/crypto-intelligence-api-market-sentiment-overview-533c8581
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_qq_nArBrieR3itBgoZspD

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 crypto-intelligence-api-market-sentiment-overview-533c8581
```

Example prompt: Can you pull the full AI sentiment and market overview across all major cryptocurrencies right now so I can get a sense of where the market stands?

## When to prefer this

Use this endpoint when you need a broad, AI-synthesized view of overall cryptocurrency market sentiment across multiple major coins simultaneously, rather than a price feed or single-coin lookup. Best suited for market overview dashboards, pre-trade sentiment checks, or automated briefings covering the macro crypto landscape.

## Known failure modes

- Payment not received or invalid x402 payment header — returns 402 Payment Required
- Invalid format parameter value (not 'summary' or 'full') — may return 400 Bad Request or default to full
- Upstream data source unavailability causing incomplete or stale sentiment data
- Railway.app cold start latency causing timeout on first request

## How this service works

Multi-source cryptocurrency intelligence with AI analysis: sentiment, market overviews, and deep intelligence reports across 17 major coins. Part of the Bismuth utility API suite for AI agents.

## Output

A structured AI-generated analysis of the cryptocurrency market including sentiment scores, market overviews, and deep intelligence across up to 17 major coins. The 'summary' format returns headline sentiment only; 'full' (default) returns the complete multi-source analysis report.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "format": {
   "enum": [
    "summary",
    "full"
   ],
   "type": "string",
   "description": "Response verbosity. 'summary' returns headline sentiment only; 'full' returns the complete analysis (default)."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/crypto-intelligence-api-market-sentiment-overview-533c8581/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from crypto-sentiment-api-production-0ff4.up.railway.app](https://www.zero.xyz/host/crypto-sentiment-api-production-0ff4.up.railway.app/llms.txt)