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.
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PCSX-Redux is a PlayStation 1 emulator with documentation covering compilation, menus, command line arguments, debugging, an internal MIPS API, a web server, a Lua API and OpenBios. It includes a memory-mapping feature for setting breakpoints during execution and an ISO browser file viewer with a raw image viewer.
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.
Pirsch Analytics is a privacy-friendly, open-source web analytics tool presented as an alternative to Google Analytics. It is cookie-free, integrates via a tracking script, plugins, or API, and omits consent banners. The tool offers dashboards with filters, session analysis, custom event and conversion goal tracking, and imports data from Plausible, Fathom, and Google Analytics.
API platform for retrieving structured LinkedIn profile and company data for business workflows.
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.
Remote OK is a remote job platform listing remote jobs in fields such as programming, design, sales and customer support. Employers post jobs that are distributed through a network of job boards using its API. The site also offers a Remote Jobs API and a JSON feed.
Scriptable is an iOS automation tool that runs plain JavaScript and integrates with native iOS APIs. Scripts are stored as JS files on disk, can be launched from Siri Shortcuts or a Share Sheet extension, and can access the file system through Files.app. Documentation for the bridged APIs is available offline, and the app includes example scripts and x-callback-url support.
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.
Spoo.me is an open-source link management platform with advanced analytics and an API-first core. It provides URL shortening, click analytics, QR codes and custom domains, and is self-hostable. The v1 API offers endpoints for shortening, managing and analyzing URLs, with no registration required to start shortening.
Stable Diffusion is a latent text-to-image diffusion model that generates photo-realistic images from text prompts, with support for versions 1.5 and 2.1. It is available to use via API on Replicate and can be run locally using Docker.
storage.to is a file-sharing service for sending large files and getting a download link. Its documentation lists web, desktop app, CLI, ShareX and REST API upload methods. Limits vary by account: no-account uploads are capped at 25 GB per file and 50 files per 24 hours in the API, CLI and apps, with files expiring after 3 days by default.
Streamed is a site for watching live sports online, listing events across categories such as basketball, football, hockey, baseball, motor sports, UFC and boxing, tennis, rugby, golf, billiards, AFL, darts and cricket. It publishes official API documentation. The REST API provides access to sports matches, live streams and related data in JSON format.
SubHarbor is a tool that helps subreddit moderators create backup landing pages with links to alternative platforms, so communities remain reachable if a subreddit is removed or faces API disruptions. Moderators sign in with Reddit and add links to services such as Discord and Lemmy. SubHarbor also offers a public JSON API for fetching a subreddit's links.
SubSource offers downloadable subtitles for movies, TV shows and series in multiple languages. The site lists popular titles and recent subtitles, and provides a REST API with endpoints for movies, subtitles and users. API keys are created from the account dashboard, and rate limits apply to free and Pro keys.
SVGFast converts PNG and JPG images into SVG vectors. It offers unlimited conversions without sign-up and free API access during the beta after signing in with Google or GitHub. The API returns optimized SVG from the same engine, with keys sent in an authentication header.
The Mainnet Thai Blockchain Services Infrastructure Explorer is a BlockScout-based block explorer for the Mainnet network. It displays blocks, transactions, a gas tracker, daily transactions, average block time, total transactions, total blocks and wallet addresses. It provides API endpoints for developers transitioning applications from Etherscan to BlockScout, including account, token, block, contract and transaction modules, plus ETH RPC API methods.
TextRazor is a natural language processing API that extracts meaning from text. It performs entity extraction, disambiguation and linking, keyphrase extraction, and automatic topic tagging and classification across 19 languages. It classifies content to the IAB Content and IPTC Media Topic taxonomies and analyzes relations and typed dependencies. Official client SDKs exist in Python, Java and PHP, with a REST API for other languages.
Threat Radar is a real-time cyber threat intelligence radar showing vulnerabilities, malware, and global cyber threats, vulnerabilities, and attack patterns. It offers a live threat feed, geographic threat distribution, a threat timeline, and a REST API for access to threat intelligence data. A free account provides 30 API requests per hour.
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.
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.
Open source email verification service for checking syntax, MX records, and deliverability through an API.
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.