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2,166 APIs · page 17 of 46

Google Slides

API to read, write, and format Google Slides presentations

OAuthHTTPSCORS ?

Development

Gorest

Online REST API for Testing and Prototyping

OAuthHTTPSCORS ?

Development

GoTiny

A lightweight URL shortener, focused on ease-of-use for the developer and end-user

No authHTTPSCORS

URL Shorteners

GovContractScout

US state & local government contracts: search, details, NAICS lookup and AI match scoring

apiKeyHTTPSCORS

Government

Grab

Track deliveries, ride fares, payments and loyalty points

OAuthHTTPSCORS ?

Transportation

GramScraper

Instagram and TikTok data API with 91 endpoints for profiles, posts, stories, reels, and comments

apiKeyHTTPSCORS

Social

Graph Countries

Country-related data like currencies, languages, flags, regions+subregions and bordering countries

No authHTTPSCORS ?

Geocoding

GraphHopper

A-to-B routing with turn-by-turn instructions

apiKeyHTTPSCORS ?

Transportation

G

GraphQL Jobs

Jobs with GraphQL

No authHTTPSCORS

Jobs

GraphQL Pokemon

GraphQL powered Pokemon API. Supports generations 1 through 8

No authHTTPSCORS

Games & Comics

G

Graphs for Coronavirus

Each Country separately and Worldwide Graphs for Coronavirus. Daily updates

No authHTTPSCORS

News

Greenlit Books

Catalog of practical AI books with search, series, glossary and a claim ledger

No authHTTPSCORS

Books

GreyNoise

Query IPs in the GreyNoise dataset and retrieve a subset of the full IP context data

apiKeyHTTPSCORS ?

Security

GridHub

Live wholesale electricity prices and demand across 25 grid zones

apiKeyHTTPSCORS

Environment

GridVigil

Pressure scores, demand, generation mix and alerts for the 10 major U.S. power grids

No authHTTPSCORS

Environment

Groq

Fast AI inference API with free tier, supports Llama, Mixtral, Gemma models

apiKeyHTTPSCORS

Machine Learning

GrünstromIndex

Green Power Index for Germany (Grünstromindex/GSI)

No authNo HTTPSCORS

Environment

gstinapi

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

apiKeyHTTPSNo CORS

Business

GTFS Scorecard

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

No authHTTPSCORS

Transportation

Guerrilla Mail

Disposable temporary Email addresses

No authHTTPSCORS ?

Email

Guild Wars 2

Guild Wars 2 Game Information

apiKeyHTTPSCORS ?

Games & Comics

G

Gun Policy

International firearm injury prevention and policy

apiKeyHTTPSCORS ?

Government

GurbaniNow

Fast and Accurate Gurbani RESTful API

No authHTTPSCORS ?

Books

G

Gutendex

Web-API for fetching data from Project Gutenberg Books Library

No authHTTPSCORS ?

Books

GW2Spidy

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

No authHTTPSCORS ?

Games & Comics

Gyazo

Save & Share screen captures instantly

apiKeyHTTPSCORS ?

Cloud Storage & File Sharing

G

GZW Data

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

No authHTTPSCORS

Games & Comics

Hackerearth

For compiling and running code in several languages

apiKeyHTTPSCORS ?

Programming

HackerNews

Social news for CS and entrepreneurship

No authHTTPSCORS ?

Social

HackerOne

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

apiKeyHTTPSCORS ?

Security

HackMyIP

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

No authHTTPSCORS

Geocoding

H

Hail History

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

No authHTTPSCORS

Weather

Halal Terminal

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

apiKeyHTTPSCORS

Finance

H

Halo

Halo 5 and Halo Wars 2 Information

apiKeyHTTPSCORS ?

Games & Comics

H

Harry Potter Charactes

Harry Potter Characters Data with with imagery

No authHTTPSCORS ?

Video

Harvard Art Museums

Art

apiKeyNo HTTPSCORS ?

Art & Design

H

Hashable

A REST API to access high level cryptographic functions and methods

No authHTTPSCORS

Security

Hashnode

A blogging platform built for developers

No authHTTPSCORS ?

Social

Hasura

GraphQL and REST API Engine with built in Authorization

apiKeyHTTPSCORS

Development

HaterPicks

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

apiKeyHTTPSNo CORS

Sports & Fitness

HaveIBeenPwned

Passwords which have previously been exposed in data breaches

apiKeyHTTPSCORS ?

Security

Healthcare.gov

Educational content about the US Health Insurance Marketplace

No authHTTPSCORS ?

Health

Hearthstone

Hearthstone Cards Information

X-Mashape-KeyHTTPSCORS ?

Games & Comics

Hebrew Calendar

Convert between Gregorian and Hebrew, fetch Shabbat and Holiday times, etc

No authNo HTTPSCORS ?

Calendar

Helious

US Treasury auction results with the tail and bidder split, plus scored economic releases

No authHTTPSCORS

Finance

Helipaddy sites

Helicopter and passenger drone landing site directory, Helipaddy data and much more

apiKeyHTTPSCORS ?

Vehicle

Helium

Helium is a global, distributed network of Hotspots that create public, long-range wireless coverage

No authHTTPSCORS ?

Blockchain

Helium

News with media bias scoring, balanced news synthesis, live market data, AI options pricing

No authHTTPSCORS

Finance

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