Portscan
Scans the requesting client's IP for open TCP ports with fast or deep modes on IPv4/IPv6
Security · No auth · HTTPS
Search the API archive · Page 12
Page 12 of 215
Ordered by reported HTTPS, CORS support, no-auth access, then changed/observed facts. Access signals are not a popularity or quality score.
PredScope
Free prediction market odds and analytics data from Polymarket
Finance · No auth · HTTPS
Prismix
Real-time uptime for 77 AI APIs (OpenAI, Anthropic, Cursor, Gemini) — free JSON endpoint, no auth required
Development · No auth · HTTPS
Profitvana
Seller fees for 31 marketplaces and payment processors, verified monthly
Shopping · No auth · HTTPS
Programming Quotes
An api which generates quotes from programmers
Personality · No auth · HTTPS
PunkAPI
BrewDog's DIY Dog beer catalogue as an API
Food & Drink · No auth · HTTPS
Pythonium
Validate Python code
Development · No auth · HTTPS
REG-Vault
Retro-gaming metadata catalog — 91k games across 99 systems (box art, manuals, screenshots, gameplay previews). MCP endpoint at api.regvault.org/mcp
Games & Comics · No auth · HTTPS
Riddles API
Get random riddles on every API call
Personality · No auth · HTTPS
Seed Oil Tracker
Seed-oil/PUFA grades and cooking oil data for 512 US restaurant chains
Food & Drink · No auth · HTTPS
Shadify
Service for generating data and executing logic to create various games and puzzles
Development · No auth · HTTPS
Shoof Aflam
Arabic streaming guide — search 14,000+ movies/series, get platform availability across 18 services in the Arab world
Video · No auth · HTTPS
Short Id
Generate unique short Ids
Test Data · No auth · HTTPS
Shrek Quotes
Shrek quotes and more, but mainly quotes
Video · No auth · HTTPS
Softwium
Test data for testing and prototyping
Test Data · No auth · HTTPS
South Park Quotes
A pretty simple API to let you retrieve some of the best quotes from South Park, mmkay
Video · No auth · HTTPS
SQLable
Validate SQL query
Development · No auth · HTTPS
TCGdex
A Multilanguage Pokémon TCG Database with Cards Pictures and most of the informations contained on the cards
Games & Comics · No auth · HTTPS
The Gold Barometer
Daily gold buying-conditions score, 0-100, with open history back to 1971
Finance · No auth · HTTPS
The Odin Project
theodinproject.com
Open Source Projects · No auth · HTTPS
Unusual Units Converter
Unit converter for standard and uncommon units
Science & Math · No auth · HTTPS
urlfy
A simple and fast URL shortening service
URL Shorteners · No auth · HTTPS
ValueRay
Quantitative and sentiment data for stocks and ETFs
Finance · No auth · HTTPS
Verified Supplement Data
Supplement dosing, form comparisons and drug-nutrient interactions with PubMed citations
Health · No auth · HTTPS