# HTTPay Vibe Check — Crypto Market Sentiment API

> HTTPay Vibe Check — Crypto Market Sentiment API is a paid API for AI agents from httpay.xyz, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15).

Returns a current 'vibe check' sentiment summary for the crypto market, paid per-call via x402 USDC micropayment.

## Facts

- Endpoint: POST https://httpay.xyz/api/vibe-check
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/httpay-vibe-check-crypto-market-sentiment-api-0bd80c2d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_X_iq65dzxIAD8lQHUQrms

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 httpay-vibe-check-crypto-market-sentiment-api-0bd80c2d -d '<json body>'
```

Example prompt: What's the current crypto vibe check — is the market feeling bullish, bearish, or somewhere in between right now?

## When to prefer this

Use this endpoint when you need a quick, opinionated sentiment read on the crypto market without needing granular data or API keys. Ideal for agents that want a lightweight, pay-as-you-go sentiment signal for crypto without subscriptions. Prefer over traditional sentiment APIs when operating in a micropayment/x402 workflow on Base.

## Known failure modes

- Payment not included or invalid x402 USDC payment header — returns 402 Payment Required
- Insufficient USDC balance on Base — payment fails and call is rejected
- Network or upstream data source unavailable — may return 5xx error
- Rate limiting if payments are processed too rapidly

## How this service works

Get the current crypto vibe check

## Output

A JSON object containing a description of the current crypto market vibe/sentiment, summarizing the overall mood or tone of the crypto ecosystem at the time of the call.

## Example request

```json
{
 "query": "artificial intelligence"
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "description": "Get the current crypto vibe check"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/httpay-vibe-check-crypto-market-sentiment-api-0bd80c2d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from httpay.xyz](https://www.zero.xyz/host/httpay.xyz/llms.txt)