Directory
Published directory entries matching your search.
altHUB is a Usenet indexer with an API and a browser interface. It reports fast API responses and a fast web interface for searching and browsing. It works with SABnzbd and NZBGet through the client API. Registration and use are free to start, with upgrades for higher limits.
UN Data API is an unofficial API version of data made available by the United Nations on the UNDATA site, aiming to make the data accessible and reusable. The service uses a REST API and has 108 World Health Organization datasets online. Accounts generate access keys, and standard accounts have usage limits of 5000 hits per day.
URL Shorteners Search, hosted at shorteners.grayhatwarfare.com, is a search tool for indexed shortened URLs. It indexes 1.1 billion URLs from 3.6 billion domains, with updates as recent as 06 November 2025. The service provides a public API for searching, fetching, filtering, and sorting shortener URLs and domains, with free registered and premium user tiers. A scrolling API for bulk result fetching is available to Enterprise package users.
You.com provides web search APIs designed for AI and agentic applications. The APIs support web search, clean content extraction, and generation of grounded answers for large language models and AI agents, with custom query limits and free trial credits available.
APID (Agile Protein Interactomes DataServer) is a database that aggregates comprehensive protein interactome data for more than 1000 organisms. It integrates experimentally validated protein-protein physical interaction data, and offers search functionality for individual proteins, lists of proteins, and associated publications. The platform includes a network viewer for visualizing interaction data.
BitMagnet is a self-hosted BitTorrent indexer, DHT crawler, content classifier and torrent search engine with a web UI, GraphQL API and Servarr stack integration. The software is currently in alpha, and the documentation notes likely bugs plus API and database schema changes before a theoretical 1.0 release.
Domainr is a domain name search service with instant, per-keystroke search and context-aware suggestions for top-level domains. It is described as an ICANN-accredited domain status API provider with direct access to domain registry data. The Fastly Domain Research API checks whether a domain is available, premium-priced or for sale in a major aftermarket. Domainr is part of Fastly.
OpenCorporates provides legal-entity data drawn from official primary sources across more than 140 jurisdictions. It offers search of its legal-entity database and access to data through a self-serve API or secure bulk delivery. The site lists use cases including entity verification, third-party risk management, investigations and data management. API plans carry stated monthly and annual prices.
Tokyo Toshokan is a BitTorrent library for Japanese media. Its site offers torrent browsing and submission, registration, search, and RSS feeds. Search supports filenames in multi-file torrents, info hash, and boolean NOT queries. A separate documentation site covers an IRC API, submitting entries, a submit API, and outbound IPs.
AgentMail is an email provider built for AI agents. It offers real inboxes through an API, allowing users to create, send, receive, and search email messages via a REST API, intended for autonomous agents and agentic workflows. A free tier is available without a credit card.
Arch Tools provides one API key for 63 tools aimed at AI agents and developers, covering web search, scraping, AI generation, OCR, transcription, crypto data, email and utilities. It supports REST and MCP protocols and offers two authentication methods: an API key or per-call x402 crypto payments in USDC on Base.
CarNet.AI is a car make and model recognition API. The service reports recognizing the make, model and generation of most cars built since 1995. API access is obtained by messaging the service through its contact form. The company states it has data on 300 car brands and 3100+ models.
eCrime.ch is an extortion exposure monitoring platform for enterprise security, incident response and third-party risk teams. It detects, verifies and delivers ransomware and data-leak signals with context such as entity mapping, artifacts, links and timelines. The site states it monitors 280+ extortion and leak sources and delivers alerts through dashboard, email, Slack, API and reports. A REST API provides tracker, intelligence, file-search, screenshot, actor, leak-site and torrent-monitoring data.
The Environmental Data Initiative preserves and provides open access to environmental and ecological data, with information-rich metadata and a secure, persistent archive. It supports publishing and reusing data through tools, a REST API for workflow automation, and personalized data catalogs. Authentication for API access becomes required on July 30, 2026.
The KNMI Data Platform (KDP) is an open-access repository for datasets maintained or generated by the Royal Netherlands Meteorological Institute (KNMI), covering weather, climate, and seismology topics. It replaced the KNMI Data Centre in 2020. All datasets are free to use, with metadata browsable on the platform website and data accessible via APIs including Open Data, WMS, and EDR APIs.
Leak Lookup is a data breach search engine for searching database leaks and dumps. It offers username, email and IP address lookups across thousands of breaches to help track credentials compromised in the wild. A hash API provides hash-cracking capabilities and an API key is required to make requests.
ÖNB-API-IIIF enables you to view historical books, newspapers, postcards and create collections with them.
PhishStats is a phishing database and real-time feed used in cybersecurity research since 2014. It allows searching phishing URLs, IPs, domains and threat scores via a web interface or REST API, with API access subject to tier quotas.
API and data project for searching and analyzing large-scale public Reddit posts and comments.
ReefTEMPS is a national observation service and network for tropical island coastal waters. It provides delayed-time and real-time data, lists partner data producers, and offers a real-time data access API and a SensorThing API, along with papers, a catalog and documentation.
Scryfall is a search engine for Magic: The Gathering cards. It also provides a REST-like API for ingesting card data programmatically and daily bulk data exports as gzipped JSONL archives. API requests are served only over HTTPS and are subject to rate limits.
The Transport for NSW Open Data Hub provides a data catalogue for browsing, exploring and downloading datasets, connecting to APIs, and finding insights and interactive maps. It also offers geospatial files and interactive maps, interactive visualisations, and developer resources for accessing APIs and using real-time data. A further section covers innovation challenges and data partnerships.
tuifi is a terminal-based music player built on the TIDAL API and HiFi API. It offers playback and queue control, search and library browsing, playlists, and caching tracks locally for offline listening. The project targets TIDAL subscribers who self-host their own HiFi instance and prefer a keyboard-driven terminal workflow.
Useful Forks is a web-based tool that helps users find useful forks of GitHub projects. It uses the GitHub API to retrieve repository metadata. Users can provide a personal GitHub Access Token stored in local browser storage to increase the API rate limit by nearly 5000 calls per hour. The tool allows configuration of the relative repository for commit diff calculations, with the default set to parent, and supports exporting scan results as CSV files.
