API Directory
Unlock all our APIs with a single API key — sign up for a free API key to get started.
Most Popular
Our most popular APIs based on usage and customer satisfaction.
Email Validator
Full email validation in one call. Syntax check, MX record lookup, disposable domain detection, normalization, and typo suggestions. Includes everything from the Disposable Domain Checker and Email Normalizer in a single request.
Phone Validation
Validate phone numbers globally. Detect carrier, country, type, and VOIP or virtual risk using only phone metadata.
Profanity Filter
Detect and censor profanity in text for content moderation
Spell Check
Check spelling and get correction suggestions for misspelled words
QR Code Generator
Generate QR codes from any text or URL, returned as a PNG image or base64-encoded JSON
Barcode Generator
Generate barcodes in multiple formats (Code 128, Code 93, Code 39, EAN-8, EAN-13), returned as a PNG image or base64-encoded JSON
BIN Lookup
Pass the first 6β8 digits of any payment card and get back the issuing bank, card network, type, and country
Validation
Stop bad data at the door. Fake emails, bad phone numbers, and toxic content cause real problems downstream.
Email Validator
Full email validation in one call. Syntax check, MX record lookup, disposable domain detection, normalization, and typo suggestions. Includes everything from the Disposable Domain Checker and Email Normalizer in a single request.
Phone Validation
Validate phone numbers globally. Detect carrier, country, type, and VOIP or virtual risk using only phone metadata.
Profanity Filter
Detect and censor profanity in text for content moderation
Text
Text utilities that cover the full lifecycle, from design scaffolding to production content moderation.
Email Normalizer
Normalize email addresses to their canonical form. Lowercased, trimmed, and canonicalized with provider-specific rules including alias-domain resolution. Also available as part of the full Email Validator.
Profanity Filter
Detect and censor profanity in text for content moderation
Spell Check
Check spelling and get correction suggestions for misspelled words
Thesaurus
Find synonyms and antonyms for any word to enhance vocabulary and writing
Dictionary
Get word definitions, phonetics, usage examples, and synonyms
Lorem Ipsum Generator
Generate placeholder text for design mockups and prototypes
Random Words
Generate random words for testing, games, and creative projects
Sentiment Analysis
Analyze the sentiment of any text and get a positive, negative, or neutral classification with a confidence score and full class breakdown.
Language Detection
Detect the language of any text with confidence scoring
Markdown to HTML
Convert Markdown to HTML in a single API call. Optionally sanitize the output to strip unsafe tags and prevent XSS.
Developer Tools
The boring-but-essential utilities every app eventually needs, already built.
Disposable Domain Checker
Check whether an email domain belongs to a known disposable or temporary email provider. Use this for targeted domain lookups. For full email validation including syntax, MX records, and normalization, see the Email Validator.
Phone Validation
Validate phone numbers globally. Detect carrier, country, type, and VOIP or virtual risk using only phone metadata.
Password Generator
Generate cryptographically secure random passwords with customizable length and character sets
User Agent Parser
Parse user agent strings to extract browser, OS, device type, and bot detection
Counter
Atomic, namespace-isolated hit counter
Random User
Generate random fake user profiles for testing and prototyping β names, emails, phone numbers, addresses, and avatars
Base64 Encode / Decode
Encode strings to Base64 and decode Base64 back to plain text. Supports standard and URL-safe (base64url) variants.
ASN Lookup
Look up Autonomous System Number (ASN), organization, ISP, and network route information for any IP address.
IP Geolocation
Get geolocation data for any IP address including country, city, ISP, and VPN detection.
VPN & Proxy Detection
Detect if an IP address belongs to a VPN, proxy, Tor exit node, or hosting provider. Returns threat scores and fraud indicators for fraud prevention and risk assessment.
WHOIS Lookup
Get domain registration details including registrar, name servers, status, creation and expiry dates, and DNSSEC information.
Domain Info
Look up DNS records and check domain availability. Returns A, AAAA, MX, NS, TXT, and CNAME records alongside a registration availability flag.
MX Lookup
Look up MX (Mail Exchange) records for any domain. Returns all mail server hostnames with their priorities, sorted from highest to lowest priority.
Markdown to HTML
Convert Markdown to HTML in a single API call. Optionally sanitize the output to strip unsafe tags and prevent XSS.
Unit Conversion
Convert between units of measurement β length, weight, volume, temperature, area, and speed
Media Generation
Add scannable codes to any product in one API call. No image libraries, no infrastructure.
AI & Computer Vision
Machine learning capabilities without the model management. Call an endpoint, get an answer.
Sentiment Analysis
Analyze the sentiment of any text and get a positive, negative, or neutral classification with a confidence score and full class breakdown.
Language Detection
Detect the language of any text with confidence scoring
Text Similarity
Compare two texts and get a cosine similarity score between 0 and 1
Places
Build for a global audience without timezone and holiday edge cases biting you.
Timezone
Get timezone information for any location by coordinates or city name
Working Days Calculator
Calculate the number of working days between two dates with optional country-specific holidays
Holidays
Get a list of holidays for a specific country and year
World Time
Get the current time for any IANA timezone by name
Entertainment
Fun, low-stakes content that makes your app feel alive without building a content team.
Random Quotes
Access a database of inspirational and famous quotes
Random Advice
Get random pieces of advice and wisdom for inspiration
Horoscope
Get daily horoscope readings for all 12 zodiac signs
Sudoku
Generate Sudoku puzzles with solutions across multiple difficulty levels
Emoji
Look up emoji by name, search by keyword, or get a random emoji with full Unicode metadata.
Trivia
Get random trivia questions with multiple-choice answers. Filter by category (science, history, geography, sports, music, movies, literature, math, technology, nature) and difficulty (easy, medium, hard).
Chuck Norris Facts
Get a random Chuck Norris fact from a curated built-in database. Every call returns a different fact with a stable unique ID.
Random Facts
Get random interesting facts from a curated database. Filter by category β science, history, technology, nature, space, or food. Includes source attribution.
Dad Jokes
Get a random dad joke. Classic groan-worthy puns and wholesome humor, served one at a time.
Finance
Payment card data, exchange rates, and financial reference APIs for fintech apps.
Inflation
Historical and current CPI inflation rates for 241 countries, sourced from the World Bank. Includes up to 30 years of annual data.
IBAN Validator
Validate IBAN numbers and extract the bank code and account number. Supports all countries in the official SWIFT IBAN Registry (~80 countries).
Mortgage Calculator
Calculate monthly mortgage payments and full amortization schedules. Pass principal, annual interest rate, and loan term in years.
Commodity Prices
Historical and current annual average prices for 16 major commodities β precious metals, energy, and agricultural goods. Sourced from FRED (Federal Reserve Economic Data).
Exchange Rate
Get live currency exchange rates and convert amounts between currencies. Rates are sourced from the ECB and cached for up to one hour.
BIN Lookup
Pass the first 6β8 digits of any payment card and get back the issuing bank, card network, type, and country
Crypto Prices
Get live cryptocurrency prices, 24h change, market cap, and trading volume for 20+ major coins including BTC, ETH, SOL, and more.
Security & Privacy
Password strength analysis, breach detection, and advanced data validation for robust apps.
Password Generator
Generate cryptographically secure random passwords with customizable length and character sets
VPN & Proxy Detection
Detect if an IP address belongs to a VPN, proxy, Tor exit node, or hosting provider. Returns threat scores and fraud indicators for fraud prevention and risk assessment.
Health/Wellness
Nutrition data, fitness metrics, and wellness insights for healthcare platforms and fitness apps.
Tax
VAT, sales tax, GST, and income tax calculations for e-commerce and invoicing systems.
Transportation
Flight status, route info, carrier lookups, and tracking data for travel and logistics apps.
Data
Curated structured datasets β country info, public records, and reference tables ready to integrate.
Disposable Domain Checker
Check whether an email domain belongs to a known disposable or temporary email provider. Use this for targeted domain lookups. For full email validation including syntax, MX records, and normalization, see the Email Validator.
Phone Validation
Validate phone numbers globally. Detect carrier, country, type, and VOIP or virtual risk using only phone metadata.