# Belgium Trade and Investment Indicators (World Bank WDI)

> Belgium Trade and Investment Indicators (World Bank WDI) is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-25).

Returns three World Bank WDI annual trade and investment indicators for Belgium (or another country) over a specified year range, including historical data and latest observations.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/signal-economy-be-trade?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-25
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/belgium-trade-and-investment-indicators-world-bank-wdi-3b48f1f1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_hlTKpla3_ukabyK6J7vbr

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 belgium-trade-and-investment-indicators-world-bank-wdi-3b48f1f1 -d '<json body>'
```

Example prompt: Pull the World Bank WDI trade and investment indicators for Belgium from 2000 to 2023 so I can see how openness and FDI have evolved.

## When to prefer this

Choose this endpoint when you need structured, historical World Bank WDI trade and investment time-series data for Belgium (or another country by overriding the country code) in a single paid API call. It is ideal for economic research, country benchmarking, and investment analysis workflows where reliable, sourced annual macro data is needed without building a custom WDI integration.

## Known failure modes

- Invalid country code (not a 2-letter ISO code) returns a validation error
- Year range outside available WDI data returns empty or partial results
- Start year after end year may return an error or empty dataset
- World Bank data source temporarily unavailable causes fetch failure
- Payment of $0.01 USDC not fulfilled results in HTTP 402 rejection

## How this service works

Belgium: Trade and investment indicators: Trade and investment indicators for Belgium: 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 trade and investment for the specified country (default: Belgium) and year range, including historical time-series values, the source update date, and the latest available data points for each indicator.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "country": {
   "type": "string",
   "default": "BE",
   "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/belgium-trade-and-investment-indicators-world-bank-wdi-3b48f1f1/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)