Complete, runnable tutorials using APIVerve APIs. Learn to build real apps with 300+ APIs.

Mayan Calendar converts Gregorian dates to the ancient Mayan calendar system. Returns the Long Count, Tzolkin (260-day sacred calendar), and Haab (365-day civil calendar) dates.

306 Production-Ready REST APIs for developers. Fast, reliable, and easy to integrate.

Word Opposites is a simple tool for getting the opposites of a word. It returns a list of opposites for the given word.

Coin Flipper is a tool for simulating coin flips. It can flip multiple coins at once and provides statistics including heads/tails counts, percentages, streaks, and fairness analysis for probability experiments and gaming.

Grammar Check is a simple tool for checking the grammar and spelling of a text. It returns the corrected text.

Profanity Filter is a simple tool for filtering out profanity words from a text. It returns the text with the profanity words replaced by placeholders.

Truth or Dare generates random truth questions and dare challenges for the classic party game. Features 400+ unique prompts with per-API-key tracking to avoid repeats.

Unicode Character Lookup is a tool for retrieving detailed information about Unicode characters. It provides codepoint, UTF-16 encoding, category, and emoji name information.

UTM Coordinate Converter provides bidirectional conversion between UTM (Universal Transverse Mercator) coordinates and latitude/longitude using WGS84 datum.

Word Pronunciation is a simple tool for getting the pronunciation of a word. It returns the pronunciation of the word provided.

TLS Check is an API that inspects the TLS/SSL configuration of a server identified by its IP address. It reports supported protocols, cipher suites, and potential vulnerabilities.

Username Profanity Checker is a simple tool for checking if a username is inappropriate or profane. It returns if the username is inappropriate or profane.

Generate complete RPG-style characters with race, class, background, stats, and personality.

Dad Jokes is a simple tool for getting dad jokes. It returns a random dad joke.

ULID Generator is a tool for generating Universally Unique Lexicographically Sortable Identifiers (ULIDs). ULIDs are 26-character strings that are sortable by time and collision-resistant.

IP Blacklist Lookup is a simple tool for looking up if an IP address is in a blacklist. It returns if the IP is found in a blacklist.

Solar Potential is a simple tool for getting the estimated annual energy production of a PV system. It returns the estimated annual energy production of a PV system.

Pictionary Generator creates random drawing prompts filtered by difficulty level for the classic Pictionary sketching game.

Moon Position is a simple tool for getting moon position data. It returns data such as altitude, azimuth, and distance of the moon based on the location provided.