# Poland Economic Size and Growth Indicators

> Poland Economic Size and Growth Indicators is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-30).

Returns three World Bank WDI annual economic size and growth indicators for Poland (or a specified country), with historical data and latest available observations.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/signal-economy-pl-economy?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-30
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/poland-economic-size-and-growth-indicators-6b276081
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_QmJGwDNWEwimraOI0oWhQ

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 poland-economic-size-and-growth-indicators-6b276081 -d '<json body>'
```

Example prompt: Pull the World Bank economic size and growth indicators for Poland from 2000 to 2023 so I can see how the country's GDP has evolved over time.

## When to prefer this

Choose this endpoint when you need World Bank WDI-sourced annual macroeconomic size and growth indicators specifically for Poland (or another country by overriding the code), and you want structured time-series data with source provenance and the latest available values. Prefer this over general web search when you need reliable, structured, internationally comparable economic statistics.

## Known failure modes

- Invalid country code (not a 2-letter ISO code) returns a validation error
- Years outside the valid range (before 1960) are rejected
- No data available for a particular country or year range returns empty or null observations
- Network or provider timeout if the World Bank data source is slow
- start_year greater than end_year may return an error or empty dataset

## How this service works

Poland: Economic size and growth: Economic size and growth for Poland: three World Bank WDI annual indicators with history, source update date and latest available observations. Country and years can be overridden.

## Output

Returns three World Bank WDI annual indicators related to economic size and growth (e.g. GDP, GDP per capita, GDP growth rate) for the specified country, including historical time series data, the source update date, and the latest available observations.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "country": {
   "type": "string",
   "default": "PL",
   "pattern": "^[A-Za-z]{2}$"
  },
  "end_year": {
   "type": "integer",
   "minimum": 1960
  },
  "start_year": {
   "type": "integer",
   "minimum": 1960
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/poland-economic-size-and-growth-indicators-6b276081/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
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