Graph Countries API – Country Data and Geocoding

Overview

Graph Countries offers a suite of APIs primarily focused on providing comprehensive country-specific data and basic geocoding functionalities. Launched in 2018, the service aims to simplify the retrieval of international geographic and demographic information for developers. Its core product, the country data API, allows users to query for details such as official names, capitals, ISO codes, currencies, languages, timezones, and geographic coordinates for virtually every country globally. This data is structured to be consumed via a RESTful interface, making it accessible for various programming environments.

The API is particularly well-suited for applications requiring quick and straightforward access to country information without the overhead of more complex GIS systems. Use cases include populating dropdown menus with country lists, displaying country-specific details in educational apps, validating international addresses, or integrating country flags into user interfaces. For instance, an e-commerce platform might use the API to dynamically display shipping options based on a user's selected country, while a travel application could retrieve capital cities and official languages.

In addition to basic country data, Graph Countries also provides a lightweight geocoding API. This service translates human-readable addresses or place names into geographic coordinates (latitude and longitude). While not designed for highly precise or complex reverse geocoding scenarios, it serves effectively for general location lookups and mapping applications where approximate location data is sufficient. Developers often integrate this functionality into forms for auto-completing city and country fields, or for placing markers on a map based on a user's input. The geocoding capabilities extend to resolving queries for specific countries, helping to narrow down search results when an address might be ambiguous.

The service targets a broad audience, including individual developers building side projects, startups requiring foundational geographic data, and educational institutions looking for reliable data sources. Its straightforward API reference and clear documentation are designed to support a smooth developer experience, even in the absence of official software development kits (SDKs). Applications frequently leverage Graph Countries for tasks such as internationalization, data enrichment, and geographic visualization, benefiting from the consistent data structure and reliable availability documented in the Graph Countries API documentation.

Key features

• Country Data API: Provides extensive data for all countries, including names (official and common), ISO codes (Alpha-2, Alpha-3, Numeric), capitals, currencies, languages, timezones, calling codes, demonyms, and geographic coordinates.
• Geocoding API: Converts place names or addresses into latitude and longitude coordinates, supporting queries for countries and major cities.
• RESTful API Interface: All functionalities are exposed through a standard RESTful API, enabling integration with HTTP clients across various programming languages.
• JSON Response Format: Data is returned in a standardized JSON format, facilitating easy parsing and consumption by client applications.
• Rate Limiting: Standard rate limiting mechanisms are in place to ensure fair usage and service stability, with specific limits detailed per pricing tier on the Graph Countries pricing page.
• Search and Filter Capabilities: Allows developers to search for countries by various parameters such as name, ISO code, or capital, and filter results based on specific criteria.
• Developer-Friendly Documentation: Comprehensive documentation with clear examples and an interactive API reference to aid in integration.

Pricing

Graph Countries offers a free tier for initial development and testing, followed by usage-based pricing plans. Pricing is structured to scale with demand, providing different request limits and support levels across tiers. As of 2026-05-28, the pricing structure is as follows:

For more detailed information on each tier's specific limits and features, refer to the official Graph Countries pricing page.

Common integrations

Graph Countries is designed for direct HTTP integration, meaning it can be incorporated into virtually any application that can make web requests. While there are no official SDKs, the RESTful nature of the API simplifies integration. Common integration patterns include:

• Web Applications (Frontend/Backend): Integrating into web forms for country selection, address auto-completion, or displaying country-specific content. Developers can use JavaScript frameworks like React, Angular, or Vue.js on the frontend, or backend languages like Node.js, Python, Ruby, or PHP to make API calls.
• Mobile Applications: Incorporating country data or geocoding into iOS or Android apps for localized content, user registration forms, or mapping features. Native mobile development often uses libraries like Alamofire (Swift) or OkHttp (Kotlin/Java) for HTTP requests.
• Data Analytics and Reporting Tools: Enriching datasets with country-specific information for analysis, reporting, or business intelligence dashboards. This might involve scripting languages to fetch data and integrate it into tools like Tableau or Power BI.
• Educational Platforms: Powering interactive maps, geography quizzes, or data visualizations in educational software. The straightforward data access makes it suitable for student projects and learning environments.
• Developer Tools and CLIs: Building command-line interfaces or utility tools that require country lookups or basic geocoding functionality.

Alternatives

When considering solutions for country data and geocoding, several alternatives offer varying features, pricing models, and service levels:

• OpenCage Geocoding API: Offers global geocoding and reverse geocoding with a focus on open data sources and a privacy-centric approach.
• Google Maps Platform: A comprehensive suite of mapping and location services, including advanced geocoding, mapping, and routing capabilities. This platform is known for its extensive global coverage and feature set, as detailed in the Google Maps Platform developer documentation.
• LocationIQ: Provides geocoding, reverse geocoding, and routing APIs built on OpenStreetMap data, often positioned as a more cost-effective alternative to larger providers.
• ArcGIS Platform: Esri's developer platform offers a wide range of geospatial services, including robust geocoding, spatial analysis, and mapping, suitable for enterprise-grade applications.
• Mapbox APIs: Offers customizable maps, geocoding, and navigation APIs, popular for its design flexibility and developer tools.

Getting started

To begin using the Graph Countries API, you typically obtain an API key from your account dashboard after signing up on their website. With the API key, you can make HTTP GET requests to the API endpoints. Below is a Python example demonstrating how to fetch data for a specific country (e.g., Germany) using the requests library.

import requests
import json

# Replace 'YOUR_API_KEY' with your actual Graph Countries API key
API_KEY = 'YOUR_API_KEY'
BASE_URL = 'https://api.graphcountries.com/v1'

# Endpoint to get country details by ISO Alpha-2 code
country_code = 'DE' # Germany
endpoint = f'{BASE_URL}/country/{country_code}'

headers = {
    'Authorization': f'Bearer {API_KEY}',
    'Content-Type': 'application/json'
}

try:
    response = requests.get(endpoint, headers=headers)
    response.raise_for_status()  # Raise an exception for HTTP errors (4xx or 5xx)

    country_data = response.json()

    print(f"Successfully retrieved data for {country_data.get('name', {}).get('common')}:")
    print(f"  Capital: {country_data.get('capital', 'N/A')}")
    print(f"  Currency: {country_data.get('currencies', [{}])[0].get('code', 'N/A')}")
    print(f"  Population: {country_data.get('population', 'N/A')}")
    print(f"  Latitude: {country_data.get('latlng', ['N/A'])[0]}, Longitude: {country_data.get('latlng', ['N/A'])[1]}")

except requests.exceptions.HTTPError as http_err:
    print(f"HTTP error occurred: {http_err} - {response.text}")
except requests.exceptions.ConnectionError as conn_err:
    print(f"Connection error occurred: {conn_err}")
except requests.exceptions.Timeout as timeout_err:
    print(f"Timeout error occurred: {timeout_err}")
except requests.exceptions.RequestException as req_err:
    print(f"An unexpected error occurred: {req_err}")
except json.JSONDecodeError:
    print(f"Failed to decode JSON from response: {response.text}")

This Python script sends a GET request to the Graph Countries API to retrieve details for Germany. It includes error handling for common HTTP and network issues. For further details on available endpoints and request parameters, consult the Graph Countries API reference.