PUBLICAPI / API directory

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A practical starting point for public APIs. Compare access, pricing and limitations — with direct links to the original sources.

Categories (61)

transport

GSM zone (Overheid Open Data)

Dutch public-sector open dataset and API ("GSM zone") registered in the national data.overheid.nl catalog. Original Dutch description: Het gebied waarbinnen met een specifieke 4-cijferige zonecode via de mobiele telefoon betaald kan worden voor het parkeren. GSM code Dit is de code die parkeerders dienen te selecteren wanneer ze in de nabijheid van deze parkeerautomaat willen parkeren. Deze code is opgebouwd als "51"+ de eerste 2 cijfers van het autom

Access: No keyPrice: FreeType: API

profiles

developer-tools

GSMTasks Project API

OpenAPI-specified web service (gsmtasks.com, version 2.4.13): The GSMtasks API is a RESTful web service for developers to programmatically interact with GSMtasks data, real-time delivery and task management and route optimization functionality.

Type: API

profiles

business

gstinapi

Verify Indian GST numbers (GSTIN): legal name, status, address and return filing history; free tier

Access: Personal API keyType: API

HTTPS: Yes · CORS: No

github-public-apis

transportation

GTFS Scorecard

Data-quality grades and prioritized fixes for 2,400+ public transit GTFS feed records

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

Guerrilla Mail

Disposable temporary Email addresses

Access: No keyType: API

HTTPS: Yes

github-public-apis

developer-tools

Guest Diagnostic Settings — monitor-guestDiagnosticSettings_API (azure.com)

OpenAPI-specified service (azure.com:monitor-guestDiagnosticSettings_API, version 2018-06-01-preview): API to Add/Remove/List Guest Diagnostics Configuration to Azure Resources

Type: API

profiles

developer-tools

Guest Diagnostic Settings Association — monitor-guestDiagnosticSettingsAssociation_API (azure.com)

OpenAPI-specified service (azure.com:monitor-guestDiagnosticSettingsAssociation_API, version 2018-06-01-preview): API to Add/Remove/List Guest Diagnostics Settings Association for Azure Resources

Type: API

profiles

games-and-comics

Guild Wars 2

Guild Wars 2 Game Information

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

government

Gujarat Vidyapith, Ahmedabad — gujaratvidyapith (apisetu.gov.in)

OpenAPI-specified service (apisetu.gov.in:gujaratvidyapith, version 3.0.0): Gujarat Vidyapith, Ahmedabad (http://www.gujaratvidyapith.org/) is issuing Degree certificates through DigiLocker. These can be pulled by students into their DigiLocker accounts. Currently, data for the year 2019 is made available by Gujarat Vidyapith.

Type: API

profiles

government

Gun Policy

International firearm injury prevention and policy

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

books

GurbaniNow

Fast and Accurate Gurbani RESTful API

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

GURS public online services - OGC OpenApi - Features (EU Open Data · Slovenia)

European open dataset/API (Slovenia): Public web services that comply with the OGC OpenApi - Features standard return the same content as GURS - WFS Public Web Services and provide free access to the following public data from databases: - property cadastre, - the Register of Spatial Units, - aggregated cadastre of commercial public infrastructure, - the a

Access: No keyPrice: FreeType: API

profiles

books-media · books

Gutendex

A searchable JSON index of Project Gutenberg books.

Access: No keyType: API

HTTPS: Yes

profiles · github-public-apis

games-and-comics

GW2Spidy

GW2Spidy API, Items data on the Guild Wars 2 Trade Market

Access: No keyType: API

HTTPS: Yes

github-public-apis

cloud-storage-and-file-sharing

Gyazo

Save & Share screen captures instantly

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

games-and-comics

GZW Data

Gray Zone Warfare weapons, missions, loot, armor and game data

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

geography

Haagse Banen (Werkgelegenheidsmonitor) Den Haag (Overheid Open Data)

Dutch public-sector open dataset and API ("Haagse Banen (Werkgelegenheidsmonitor) Den Haag") registered in the national data.overheid.nl catalog. Original Dutch description: Analyse van de werkgelegenheidsontwikkeling in verschillende sectoren en biedt vergelijkingen met andere gemeenten binnen de regio Haaglanden en met de andere steden van de G5. Gebruikte externe bron : Werkgelegenheidsregister

Access: No keyPrice: FreeType: API

profiles

government

Habitats affected by regulation in Brittany (EU Open Data · France)

European open dataset/API (France): List of habitats present in Brittany and concerned by an international convention, a European directive or regulation, a decree or a national or regional decree. **Sources:** The observation data that enabled the compilation of the species present in Brittany were acquired in the vast majority by the networks of volunt

Access: No keyPrice: FreeType: API

profiles

programming

Hackerearth

For compiling and running code in several languages

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

social

HackerNews

Social news for CS and entrepreneurship

Access: No keyType: API

HTTPS: Yes

github-public-apis

security

HackerOne

The industry’s first hacker API that helps increase productivity towards creative bug bounty hunting

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

geocoding

HackMyIP

IP geolocation, ISP and privacy/VPN scoring, email breach checks, DNS and WHOIS lookups

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

weather

Hail History

Radar-detected hail history for any US address from NOAA NEXRAD Level-III hail detections, by year

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

geography

Hairdressers and beauticians; monthly developments 1993 - 2008 (Overheid Open Data)

Dutch public-sector open dataset and API ("Hairdressers and beauticians; monthly developments 1993 - 2008") registered in the national data.overheid.nl catalog. Original Dutch description: Index figures and developments hairdressers and beauticians. Average monthly turnover, base year 2000. (SIC 9302) 1993-2008; 1993 quarter I - 2008 quarter IV; 1993 Jan. - 2008 Dec. Changed on April 15 2009. Frequency: Discontinued.

Access: No keyPrice: FreeType: API

profiles

finance

Halal Terminal

Shariah-compliant stock and ETF screening across 5 methodologies, zakat and purification

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

games-and-comics

Halo

Halo 5 and Halo Wars 2 Information

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

developer-tools

HanaManagementClient — hanaonazure (azure.com)

OpenAPI-specified service (azure.com:hanaonazure, version 2017-11-03-preview): The SAP HANA on Azure Management Client.

Type: API

profiles

language

Handwrytten API

OpenAPI-specified web service (handwrytten.com, version 1.0.0): This is the Handwrytten API for sending cards written in the handwriting of your choice. Using this api, you can send cards to users. You can also customize cards with logos, which can be saved and then used like any other card in the system. For a "sandbox" account, please contact contact@handwrytten.com To move from

Type: API

profiles

developer-tools

HAPI MCP Server (ai.com.mcp/hapi-mcp MCP Server)

MCP server (ai.com.mcp/hapi-mcp v0.6.0): HAPI MCP server: Dynamically exposes OpenAPI REST APIs as MCP tools for AI assistants

Type: API

profiles

developer-tools

HAPI Strava MCP Server (ai.com.mcp/strava MCP Server)

MCP server (ai.com.mcp/strava v3.0.0+0.7.1): Strava MCP tools for AI: athletes, activities, segments, clubs, routes. Powered by HAPI MCP server.

Type: API

profiles

government

Happy Popping (REST — WMS) (EU Open Data · Italy)

European open dataset/API (Italy): Happy Popping — REST Map Service — WMS. The attribute table contains the following information: ObjectID (tipo:esriFieldTypeOID, alias: ObjectID), Place (tipo:testo, alias: Place, lunghezza:254), Address (tipo:testo, alias: Address, lunghezza:254), Typology (tipo:testo, alias: Type, lunghezza:254), Notes (tipo:testo, a

Access: No keyPrice: FreeType: API

profiles

geography

Harmonised price index figures (1996 = 100) (Overheid Open Data)

Dutch public-sector open dataset and API ("Harmonised price index figures (1996 = 100)") registered in the national data.overheid.nl catalog. Original Dutch description: Harmonised price index figures (1996=100); The Netherlands, Eurozone, European Union and year - on-year change 1996 - 2005; January 1996 - December 2005 Changed on February 08 2006. Frequency: Discontinued.

Access: No keyPrice: FreeType: API

profiles

developer-tools

Harness (ai.autonomous.harness/harness MCP Server)

MCP server (ai.autonomous.harness/harness v0.4.19): Start Claude Code and Codex agents the person can watch, wait for them and read their answers.

Type: API

profiles

books-media

Harry Potter API

Harry Potter API (Books): API to get data from Harry Potter books, movies, characters and spells

Access: No keyType: API

profiles

video

Harry Potter Charactes

Harry Potter Characters Data with with imagery

Access: No keyType: API

HTTPS: Yes

github-public-apis

art-and-design

Harvard Art Museums

Art

Access: Personal API keyType: API

HTTPS: No

github-public-apis

government

Haryana State Board of School Education, Haryana — bsehr (apisetu.gov.in)

OpenAPI-specified service (apisetu.gov.in:bsehr, version 3.0.0): Board of School Education, Haryana (http://www.bseh.org.in/home/) has made available 2016-2019 Class XII & Class X results in DigiLocker, which can be pulled by students into their accounts.

Type: API

profiles

government

Haryana State Board of Technical Education, Haryana — hsbte (apisetu.gov.in)

OpenAPI-specified service (apisetu.gov.in:hsbte, version 3.0.0): HSBTE (http://hsbte.org.in/) is issuing marksheets (of Dec 2017 and June 2018 batches) through DigiLocker. These can be pulled by students into their DigiLocker accounts.

Type: API

profiles

security

Hashable

A REST API to access high level cryptographic functions and methods

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

security

hashlookup CIRCL API

OpenAPI-specified web service (circl.lu, version 1.2): ![](https://www.circl.lu/assets/images/circl-logo.png) CIRCL hash lookup is a public API to lookup hash values against known database of files. For more details about all the datasets included visit the website of the project. The API is accessible via HTTP ReST API and the API is also described as an OpenAPI. A docume

Type: API

profiles

security

hashlookup CIRCL API (circl.lu)

OpenAPI-specified service (circl.lu:hashlookup, version 1.2): ![](https://www.circl.lu/assets/images/circl-logo.png) CIRCL hash lookup is a public API to lookup hash values against known database of files. For more details about all the datasets included visit the website of the project. The API is accessible via HTTP ReST API and the API is also described as an OpenAPI. A docume

Type: API

profiles

social

Hashnode

A blogging platform built for developers

Access: No keyType: API

HTTPS: Yes

github-public-apis

development

Hasura

GraphQL and REST API Engine with built in Authorization

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

sports-and-fitness

HaterPicks

Australian sports odds and player props from every major Australian bookmaker, free tier

Access: Personal API keyType: API

HTTPS: Yes · CORS: No

github-public-apis

security

Have I Been Pwned

Breach checks and a separate service for exposed password hashes.

Access: Personal API keyPrice: Free tier + paidType: API

profiles

security

HaveIBeenPwned

Passwords which have previously been exposed in data breaches

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

geography

HBO deeltijd; rendement en uitval cohortjaren 1991-1994 (Overheid Open Data)

Dutch public-sector open dataset and API ("HBO deeltijd; rendement en uitval cohortjaren 1991-1994") registered in the national data.overheid.nl catalog. Original Dutch description: Rendement en uitval bij het deeltijd hoger beroepsonderwijs. Gegevens naar cohortjaar, sector, vooropleiding en geslacht. 1991 - 1994 Gewijzigd op 22 december 2005. Verschijningsfrequentie: Stopgezet.

Access: No keyPrice: FreeType: API

profiles

geography

HBO; gemiddelde studieduur van geslaagden naar herkomstgroepering (Overheid Open Data)

Dutch public-sector open dataset and API ("HBO; gemiddelde studieduur van geslaagden naar herkomstgroepering") registered in the national data.overheid.nl catalog. Original Dutch description: Studieduur bij het hoger beroepsonderwijs. Gegevens naar opleidingsvorm, duur, herkomstgroepering en geslacht 1995 - 2004 Gewijzigd op 02 april 2007. Verschijningsfrequentie: Stopgezet.

Access: No keyPrice: FreeType: API

profiles

developer-tools

HDInsightManagementClient — hdinsight-applications (azure.com)

OpenAPI-specified service (azure.com:hdinsight-applications, version 2018-06-01-preview): The HDInsight Management Client.

Type: API

profiles

developer-tools

HDInsightManagementClient — hdinsight-capabilities (azure.com)

OpenAPI-specified service (azure.com:hdinsight-capabilities, version 2015-03-01-preview): The HDInsight Management Client.

Type: API

profiles

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