search APIs

Icons8 offers a CDN-based icon delivery system where you can embed icons directly in HTML using a simple URL pattern without any API calls or keys.

Crossref Metadata Search provides free REST access to bibliographic metadata for over 140 million scholarly articles, books, and conference papers indexed by DOI.

Charity Search lets you look up verified US non-profit organizations by name, EIN, or keyword.

Clearbit Logo returns a company logo image by domain name — no scraping required.

Domainsdb.info lets you search registered domain names by keyword, TLD, or zone with no authentication needed.

Markerapi provides free search access to the USPTO trademark database, letting you check if a brand name is already trademarked.

DomainsDB.info provides a searchable database of registered domain names, allowing you to find all domains containing specific keywords, phrases, or patterns across various TLDs.

Hunter (hunter.io) provides APIs to find and verify professional email addresses associated with any domain, making it a go-to tool for sales prospecting and lead enrichment.

serpstack delivers real-time Google Search results through a simple REST API, returning organic results, ads, featured snippets, and more.

The SeatGeek API allows you to search for live events, venues, and performers across sports, concerts, and theater.

The Ticketmaster API provides access to a massive catalog of live events, artists, and venues worldwide, including detailed ticketing data.

The Edamam Recipe Search API lets you search a database of over 2 million recipes filtered by ingredients, diet labels such as vegan or keto, meal type, and cuisine.

The Digimon TCG API lets you search for cards from the Digimon Card Game, providing details like card names, types, and images from digimoncard.io.

Open5e provides a comprehensive REST API for D&D 5th Edition SRD content, covering monsters, spells, classes, magic items, and more.

The Interpol Red Notices API provides free access to Interpol's public database of Red Notices, which are international requests to locate and arrest wanted persons.

Careerjet is a global job search engine API that aggregates listings from thousands of job sites and company career pages worldwide.

Jooble is a large international job search engine API that aggregates listings from over 140,000 sources worldwide.

Juju is a job search engine API that aggregates job listings from employer career pages and major job boards.

WhatJobs is a global job search engine API that aggregates listings from multiple sources across many countries.

ZipRecruiter provides an API for its popular job search platform, letting developers access millions of active job listings across the US and Canada.

Imagga is an image recognition API that can automatically tag images with descriptive labels, perform visual search, and detect inappropriate (NSFW) content.

Machinetutors provides programmatic access to ai solutions: video/image classification & tagging, nsfw, icon/image/audio search, nlp via REST API.

iTunes Search provides programmatic access to software products via REST API.

The Associated Press Developer API gives you programmatic access to AP news content and metadata, one of the most trusted wire services in the world.

GNews is a news search API that aggregates articles from thousands of sources worldwide and lets you filter by keyword, language, country, and topic.

NewsX is a breaking news API available through RapidAPI that provides up-to-date headlines enhanced with machine-learning-powered summaries.

Trove is an API provided by the National Library of Australia that allows you to search through millions of digitised historical newspapers and other cultural collections.

The Black History Facts API gives you access to one of the largest databases of Black history facts on the web.

French Address Search provides programmatic access to address search via the french government via REST API.

The Creative Commons Catalog API (powered by Openverse) lets you search millions of openly licensed images, audio tracks, and other media that are free to use and share.

The European Patent Office (EPO) Open Patent Services (OPS) API provides access to millions of European patent documents, bibliographic data, and legal status information.

The TIPO (Taiwan Intellectual Property Office) API provides access to Taiwan's patent search system, allowing you to retrieve patent data, search by keyword, and look up inventor or applicant information for Taiwanese patents.

Imsea provides programmatic access to free image search via REST API.

arXiv provides programmatic access to curated research-sharing platform: physics, mathematics, quantitative finance, and economics via REST API.

CORE provides access to millions of open-access research papers from repositories and journals worldwide.

The Open Science Framework (OSF) API gives you access to a large open repository of research materials, datasets, preprints, and study designs from researchers around the world.

SHARE is an open dataset API that aggregates metadata from hundreds of research repositories and academic publishers worldwide.

Censys is an internet-wide scanning platform that lets you search for any internet-connected host, device, or certificate using its REST API.

FullHunt is an attack surface intelligence API that lets you discover and explore internet-facing assets — domains, subdomains, and hosts — associated with any target.

Pulsedive is a threat intelligence platform that lets you look up IPs, domains, and URLs to see if they are associated with malicious activity.

Shodan is a search engine that continuously scans the internet and indexes metadata about connected devices like servers, routers, webcams, and industrial systems.

Amadeus for Developers is an OAuth2-protected travel API offering flight search, hotel availability, airport information, and more from one of the largest global distribution systems.

BlaBlaCar provides programmatic access to search car sharing trips via REST API.

Sabre for Developers provides access to travel industry data including flight search, hotel availability, and car rentals used by travel agencies worldwide.

The uNoGS API lets you search Netflix content across all global regions at once, showing which countries have a title available and its local rating.