# ApexAPI Heart Rate Data Endpoint

> ApexAPI Heart Rate Data Endpoint is a paid API for AI agents from apex-api-gamma.vercel.app, paid per call via x402, $0.063594/call, status unknown (last checked 2026-10-21).

Retrieves or processes heart rate health data based on a query input

## Facts

- Endpoint: POST https://apex-api-gamma.vercel.app/api/health/heart-rate?utm_source=zero.xyz
- Price: $0.063594/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/apexapi-heart-rate-data-endpoint-c07a6391
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_niEcexDGL5ltZfZRTJe3m

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 apexapi-heart-rate-data-endpoint-c07a6391 -d '<json body>'
```

Example prompt: Can you look up heart rate data for 'resting heart rate average for adults aged 30-40' using the health heart rate endpoint?

## When to prefer this

Choose this endpoint when you need to retrieve or look up heart rate or pulse-related health data and are operating in a pay-per-call USDC environment without needing a traditional API key. Useful for fitness, wellness, or health monitoring agent workflows.

## Known failure modes

- Missing or empty query string returns an error or empty result
- Invalid query format may return a generic or unhelpful response
- Service downtime on Vercel deployment returns 5xx error
- Payment failure in USDC on Base returns 402 Payment Required
- Malformed request body returns 400 Bad Request

## How this service works

Crypto, AI, Social Media, Finance, Weather, Tools &amp; more. Pay per call in USDC on Base. No API keys.

## Output

Returns an API response object containing heart rate data or health metrics related to the query, such as BPM readings, average heart rates, or related biometric information.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Search query or input parameter"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "description": "API response data"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/apexapi-heart-rate-data-endpoint-c07a6391/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from apex-api-gamma.vercel.app](https://www.zero.xyz/host/apex-api-gamma.vercel.app/llms.txt)