# World Bank Fertility Rate by Country

> World Bank Fertility Rate by Country is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

Returns the latest World Bank fertility rate (births per woman) for every country and region in a single parameterless JSON response.

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/s/worldbank-fertility-rate
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/world-bank-fertility-rate-by-country-3f7cdd51
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_iRJsi3kH6ciQxc5viMPSc

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 world-bank-fertility-rate-by-country-3f7cdd51 -d '<json body>'
```

Example prompt: Can you pull the latest World Bank fertility rate data — births per woman — for every country and region in the world?

## When to prefer this

Use this endpoint when you need a comprehensive, global snapshot of fertility rates (births per woman) sourced from the World Bank, covering all countries and regions in a single call with no filtering or parameters needed. Ideal for demographic analysis, data enrichment, or building visualizations of global population trends.

## Known failure modes

- Upstream World Bank data unavailable — service returns an error
- Payment of $0.02 USDC not accepted — 402 response with payment details
- Stale data if World Bank has not updated the dataset recently
- Network timeout if the data payload is large

## How this service works

Latest fertility rate (births per woman) for every country and region, one value each. No params. Returns JSON.

## Output

A JSON object containing the latest World Bank fertility rate (births per woman) for every country and region worldwide, with one value per entry and no parameters required.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/world-bank-fertility-rate-by-country-3f7cdd51/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from clonecho.builda.company](https://www.zero.xyz/host/clonecho.builda.company/llms.txt)