# Circular Economy Business Models: Publication Sample Breakdown

> Circular Economy Business Models: 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 academic publication samples on circular economy business models using Crossref publisher metadata, including DOI references and source attribution.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/signal-research-circular-economy-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/circular-economy-business-models-publication-sample-breakdown-23eb6870
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_s5GCrw11V42T6Z4dpTIWW

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 circular-economy-business-models-publication-sample-breakdown-23eb6870 -d '<json body>'
```

Example prompt: Can you pull a breakdown of up to 15 academic publications on circular economy business models, with their DOI references and source attribution from Crossref?

## When to prefer this

Choose this endpoint when you need a quick, pre-formatted sample of academic publication metadata specifically on circular economy business models, with DOI references and publisher attribution from Crossref, without needing to set up a full Crossref API integration or parse raw bibliographic data yourself.

## Known failure modes

- Query too long (over 200 characters) returns validation error
- max_results outside 1–30 range returns validation error
- No matching publications found for an unusual or very specific query
- Crossref metadata unavailable or incomplete for some publications
- Payment failure if USDC balance is insufficient

## How this service works

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

## Output

A structured breakdown of publication samples on circular economy business models, including DOI references, source attribution labels, and Crossref publisher metadata for each record in the sample.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "default": "circular economy business models",
   "maxLength": 200
  },
  "max_results": {
   "type": "integer",
   "default": 10,
   "maximum": 30,
   "minimum": 1
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/circular-economy-business-models-publication-sample-breakdown-23eb6870/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)