Zippopotam

live Geography

Look up ZIP and postal codes worldwide via Zippopotam.us

2 tools

0ms auth

free tier 50 calls/day

Tools

lookup_zipcode required: country, zipcode

Look up place information (city, state, coordinates) for a ZIP or postal code in a given country.

Parameters

Name Type Description

country req string ISO 3166-1 alpha-2 country code (e.g. "us", "gb", "de").

zipcode req string ZIP or postal code to look up (e.g. "90210").

▶ Try it

Response

lookup_city required: country, state, city

Get all postal codes for a city in a given country and state/province.

Parameters

Name Type Description

country req string ISO 3166-1 alpha-2 country code (e.g. "us", "gb").

state req string State or province abbreviation (e.g. "ca" for California).

city req string City name (e.g. "beverly+hills" or "beverly hills").

▶ Try it

Response

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools

bash

curl -X POST https://gateway.pipeworx.io/zippopotam/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'

Call a tool

bash

curl -X POST https://gateway.pipeworx.io/zippopotam/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"lookup_zipcode","arguments":{"country": "US", "zipcode": "example"}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript

import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("lookup_zipcode", {"country":"example","zipcode":"example"});

ask_pipeworx

// Or ask in plain English:
const answer = await px.ask("look up zip and postal codes worldwide via zippopotam");

Related packs

Other Pipeworx packs in the same categories (Geography):

MCP Config

claude_desktop_config.json

{
  "mcpServers": {
    "pipeworx-zippopotam": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://gateway.pipeworx.io/zippopotam/mcp"
      ]
    }
  }
}