# COVID-19 Cumulative Vaccine Doses by Country (Last 30 Days)

> COVID-19 Cumulative Vaccine Doses by Country (Last 30 Days) is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).

Returns cumulative COVID-19 vaccine doses administered for a given country over the last 30 days as JSON.

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/covid-vaccine
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/covid-19-cumulative-vaccine-doses-by-country-last-30-days-7f59046e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_FSSzvIcz3X2HRTDgDjdAB

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 covid-19-cumulative-vaccine-doses-by-country-last-30-days-7f59046e -d '<json body>'
```

Example prompt: Can you pull up the cumulative COVID-19 vaccine doses administered in Brazil over the last 30 days?

## When to prefer this

Use this endpoint when you need recent (last 30 days) cumulative COVID-19 vaccination dose counts for a specific country. Prefer it over general health APIs when the specific query is COVID vaccine dose totals by country and recency (30-day window) is acceptable.

## Known failure modes

- Invalid or unrecognized country name returns an error or empty result
- Missing data for a country with no reporting may return null or zero values
- Network or upstream data source unavailability returns a server error
- Misspelled country parameter may fall back to default (USA) or return an error

## How this service works

HEALTH: COVID-19 cumulative vaccine doses for a country, last 30 days. ?country= (default USA). Returns JSON.

## Output

A JSON object containing cumulative COVID-19 vaccine dose counts for the specified country (defaulting to USA) over the last 30 days, including relevant country and time-period metadata.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/covid-19-cumulative-vaccine-doses-by-country-last-30-days-7f59046e/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)