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878 APIs · page 8 of 19

Greenlit Books

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

No authHTTPSCORS

Books

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

GTFS Scorecard

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

No authHTTPSCORS

Transportation

G

GZW Data

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

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Games & Comics

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

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Weather

Halal Terminal

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

apiKeyHTTPSCORS

Finance

H

Hashable

A REST API to access high level cryptographic functions and methods

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Security

Hasura

GraphQL and REST API Engine with built in Authorization

apiKeyHTTPSCORS

Development

Helious

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

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Finance

Helium

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

No authHTTPSCORS

Finance

HeroHunt People Search

Search 1 billion people profiles across LinkedIn and GitHub for talent sourcing

apiKeyHTTPSCORS

Jobs

Heroku

REST API to programmatically create apps, provision add-ons and perform other task on Heroku

OAuthHTTPSCORS

Development

HG Weather

Provides weather forecast data for cities in Brazil

apiKeyHTTPSCORS

Weather

HireLayer

Parse resumes and job descriptions, normalize skills, match and rank candidates

apiKeyHTTPSCORS

Jobs

Host.io

Domains Data API for Developers

apiKeyHTTPSCORS

Development

HostDealRadar

Source-backed hosting price and provider record lookup

No authHTTPSCORS

Development

HostDeFi

Free A+–F token-safety grades across Solana and EVM chains

No authHTTPSCORS

Cryptocurrency

Hotstoks

Stock market data powered by SQL

apiKeyHTTPSCORS

Finance

HousingFeed

US rental listings from property managers' own websites, verified weekly

No authHTTPSCORS

Open Data

HTTP Cat

Cat for every HTTP Status

No authHTTPSCORS

Animals

HTTP Dog

Dogs for every HTTP response status code

No authHTTPSCORS

Animals

Httpbin

A Simple HTTP Request & Response Service

No authHTTPSCORS

Development

Hugging Face

AI model hub with inference API for NLP, computer vision, and audio

apiKeyHTTPSCORS

Machine Learning

Hyperliquid Market Data

Hyperliquid open interest, funding and cross-venue predicted rates per coin

apiKeyHTTPSCORS

Cryptocurrency

Hyperserve

Video backend API: upload any format, transcode to MP4, deliver via CDN

apiKeyHTTPSCORS

Video

i6eal Open AI Data

Open datasets on AI policy, regulation and public-sector adoption in Germany and the EU

No authHTTPSCORS

Open Data

IBAN Analyzer

Resolve an IBAN to its bank name, BIC, city and address for 60+ countries

No authHTTPSCORS

Finance

IBM Text to Speech

Convert text to speech

apiKeyHTTPSCORS

Development

Icanhazepoch

Get Epoch time

No authHTTPSCORS

Development

Icanhazip

IP Address API

No authHTTPSCORS

Development

Icon Horse

Favicons for any website, with fallbacks

No authHTTPSCORS

Art & Design

Iconify

Search and fetch SVG icons from 200+ open source icon sets

No authHTTPSCORS

Art & Design

I

IEX Cloud

Realtime & Historical Stock and Market Data

apiKeyHTTPSCORS

Finance

iLovePDF

Convert, merge, split, extract text and add page numbers for PDFs. Free for 250 documents/month

apiKeyHTTPSCORS

Documents & Productivity

Image-Charts

Generate charts, QR codes and graph images

No authHTTPSCORS

Development

IMDbOT

Unofficial IMDb Movie / Series Information

No authHTTPSCORS

Video

iNaturalist

Citizen-science wildlife observations with species identification and mapping

No authHTTPSCORS

Science & Math

Index Agentica

Agent-first directory of skills, MCP servers, tools, protocols and APIs as JSON, markdown, llms.txt

No authHTTPSCORS

Development

India GST HSN & SAC

Indian GST HSN and SAC classification code lookup and search

No authHTTPSCORS

Finance

India LGD Index

Free, keyless Indian states, districts, sub-districts and development blocks with LGD codes

No authHTTPSCORS

Government

India Public Holidays

Official Indian public holidays for the Central government and 36 states/UTs

No authHTTPSCORS

Calendar

Indian Mandi Prices

Free, keyless daily wholesale mandi prices for 5 Indian states, sourced from data.gov.in

No authHTTPSCORS

Government

Indian MSP Benchmarks

Statutory Minimum Support Prices and CACP production cost benchmarks across 28 Indian crops

No authHTTPSCORS

Government

Indian Pincode

Free India PIN code lookup with GPS coordinates, 165k+ post offices, state & district data

No authHTTPSCORS

Government

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