# Causal Inference Publication Sample Breakdown

> Causal Inference 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 breakdown of publication samples on causal inference using Crossref publisher metadata, including DOI references and source attribution.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/signal-research-causal-inference-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/causal-inference-publication-sample-breakdown-be79fa8a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_6q6XqQClG-xHOTlTb1uVw

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 causal-inference-publication-sample-breakdown-be79fa8a -d '<json body>'
```

Example prompt: Can you pull a sample breakdown of 10 publications on causal inference using Crossref metadata, with DOI references and source attribution for each?

## When to prefer this

Use this endpoint when you need a quick, structured sample of academic publications on causal inference with DOI references and publisher attribution via Crossref — particularly when you want pre-labelled summaries without building a full literature search pipeline. It is well-suited for seeding research datasets, validating citation sources, or exploring the publication landscape on causal inference with minimal setup.

## Known failure modes

- Query too long — max 200 characters enforced
- max_results out of range (must be 1–30) causes validation error
- No results found for highly specific or niche query variants
- Crossref upstream unavailability may return empty or degraded results
- Network or payment gateway failure returns 402 or 5xx error

## How this service works

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

## Output

A structured list of publication samples on causal inference, each labelled with a summary, DOI reference, and source attribution derived from Crossref publisher metadata. Up to 30 results per call.

## Request schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/causal-inference-publication-sample-breakdown-be79fa8a/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)