# Public Health Surveillance Publication Sample Breakdown

> Public Health Surveillance Publication Sample Breakdown is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-17).

Returns a sample breakdown of academic publications on public health surveillance topics, with DOI references and source attribution from Crossref publisher metadata.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/signal-research-public-health-sample-breakdown?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-17
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/public-health-surveillance-publication-sample-breakdown-9d56095c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Q7yf8EelWd00Nq4PzGR5z

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 public-health-surveillance-publication-sample-breakdown-9d56095c -d '<json body>'
```

Example prompt: Can you pull a sample breakdown of 10 publications on public health surveillance, including their DOI references and source attribution?

## When to prefer this

Choose this endpoint when you need a quick, sampled overview of academic publications in the public health surveillance domain with DOI references and publisher attribution, particularly when Crossref-backed metadata is sufficient and you don't need full-text retrieval or exhaustive search coverage.

## Known failure modes

- Query returns no results if the topic is too niche or misspelled
- max_results exceeding 30 will be rejected with a validation error
- Crossref metadata may be incomplete or missing for some DOIs
- Network timeout if Crossref upstream is slow
- Payment failure if USDC balance is insufficient for the $0.01 fee

## How this service works

public health surveillance: Publication sample breakdown: Publication sample breakdown on public health surveillance using Crossref publisher metadata. Returns DOI references and source attribution. Query can be overridden; sample summaries are labelled.

## Output

A structured list of sampled academic publications related to the queried public health topic, each entry including a DOI reference, source attribution, and labeled sample summary drawn from Crossref publisher metadata.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "default": "public health surveillance",
   "maxLength": 200
  },
  "max_results": {
   "type": "integer",
   "default": 10,
   "maximum": 30,
   "minimum": 1
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/public-health-surveillance-publication-sample-breakdown-9d56095c/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)