# Axon Crypto Sentiment Analysis

> Axon Crypto Sentiment Analysis is a paid API for AI agents from aiaxaxon402.vercel.app, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-13).

Returns AI-powered sentiment analysis for a given crypto topic or token using x402 micropayment on Base

## Facts

- Endpoint: GET https://aiaxaxon402.vercel.app/api/sentiment/%7Btopic%7D
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/axon-crypto-sentiment-analysis-7deb343d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_E-EyW7tkK37r9e51t9AHk

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 axon-crypto-sentiment-analysis-7deb343d
```

Example prompt: What's the current AI-analyzed sentiment around bitcoin right now — is it bullish, bearish, or neutral?

## When to prefer this

Use this endpoint when you need fast, AI-powered sentiment scoring for a specific crypto token or topic and are operating in an x402-compatible payment environment on Base. Prefer this over generic sentiment APIs when working in the crypto/Web3 domain and need sentiment contextualized to blockchain and token communities.

## Known failure modes

- Missing or invalid topic parameter returns an error
- x402 micropayment not fulfilled results in 402 Payment Required response
- Topic too vague or unsupported may return empty or low-confidence sentiment
- Network or upstream AI provider failure may result in 500 error
- Rate limiting if too many requests are made in quick succession

## How this service works

Axon provides AI-powered crypto intelligence endpoints covering token research, market analysis, contract auditing, sentiment tracking, news summarization, portfolio advice, deep research, text translation, language detection, SEO content generation, and contract explanation. All analytical endpoints require x402 micropayment on Base.

## Output

Returns a JSON object containing the queried topic and an AI-generated sentiment assessment (e.g. bullish, bearish, neutral, or a nuanced sentiment descriptor) for that crypto topic.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "topic": "bitcoin",
  "sentiment": "..."
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/axon-crypto-sentiment-analysis-7deb343d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from aiaxaxon402.vercel.app](https://www.zero.xyz/host/aiaxaxon402.vercel.app/llms.txt)