# httpay.xyz Bottom Signal API

> httpay.xyz Bottom Signal API is a paid API for AI agents from httpay.xyz, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-23).

Detects whether a crypto market or asset has hit a price bottom using signal analysis

## Facts

- Endpoint: POST https://httpay.xyz/api/bottom-signal?utm_source=zero.xyz
- Price: $0.003/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/httpay-xyz-b5f1e421
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Jx9677jwcg8DJuKowdGLq

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-xyz-b5f1e421 -d '<json body>'
```

Example prompt: Has the crypto market hit the bottom yet? Give me the current bottom signal from httpay.

## When to prefer this

Use this endpoint when you need a quick programmatic signal about whether a crypto asset or market has reached a price bottom, especially within an automated trading or DeFi monitoring workflow on the x402 payment protocol.

## Known failure modes

- Missing or invalid asset/market parameters returns 400 error
- Payment not provided or insufficient USDC returns 402 Payment Required
- Downstream data source unavailable returns 503
- Invalid request body format returns 422

## How this service works

Check if we've hit the bottom

## Output

Returns a signal or boolean indicator of whether a market or asset price has reached a bottom, likely including signal strength or confidence and supporting metrics.

## Example request

```json
{
 "asset": "BTC",
 "market": "USDT",
 "timeframe": "1d"
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "description": "Check if we've hit the bottom"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/httpay-xyz-b5f1e421/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)