World Bank indicator series

Fetch a World Bank indicator time series for a country (e.g. GDP, inflation, unemployment, population). Open data, no key. ?country=US&indicator=NY.GDP.MKTP.CD&startYear=2018&endYear=2022

Input

Example output

{
  "country": "US",
  "indicator": "NY.GDP.MKTP.CD",
  "indicatorName": "GDP (current US$)",
  "count": 5,
  "series": [
    {
      "year": 2022,
      "value": 25462700000000
    }
  ]
}

Try it - see the 402 challenge (free)

curl -i "https://agent402.tools/api/world-bank-indicator?country=US&indicator=NY.GDP.MKTP.CD&startYear=2018&endYear=2022"

The response is HTTP 402 Payment Required with exact payment requirements. Any x402 v2 client pays automatically and retries:

Paid call (JavaScript agent)

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client();
registerExactEvmScheme(client, { signer: privateKeyToAccount(KEY) });
const payFetch = wrapFetchWithPayment(fetch, client);

const res = await payFetch("https://agent402.tools/api/world-bank-indicator?country=US&indicator=NY.GDP.MKTP.CD&startYear=2018&endYear=2022");

Part of these workflows

This tool is one step in a curated multi-tool workflow - agents can fetch the whole sequence as an MCP prompt or call https://agent402.tools/api/skill-packs/{slug}/prompt.

• World Bank country data - GDP and population for a country - two key World Bank indicators in one call.

Related tools