Mortgage Calculator computes monthly and annual loan payments from principal, interest rate, and term. It breaks totals down by principal, interest, property tax, insurance, and HOA dues, with paid plans adding full amortization schedules.

Mortgage Rate reports weekly US fixed mortgage rates for 15-year and 30-year terms. Pass the loan term to get the latest percentage rate, survey date, and direction of weekly change.

MurmurHash generates fast, non-cryptographic hashes using the MurmurHash3 algorithm. Ideal for hash tables, data partitioning, bloom filters, and checksums where cryptographic security isn't needed.

Music Note Generator is a musical note generator API that creates high-quality WAV audio files of musical notes with precise frequency generation, plus customizable duration on paid plans.

MX Lookup queries DNS to find MX records for any domain. It returns an array of mail exchange hostnames and their priority routing values in real time.

Nameservers queries authoritative DNS records for any domain to list its nameservers, IP addresses, and reverse DNS records. It detects multiple DNS providers, counts total nameservers, and identifies who runs each server.

National Debt provides real-time access to the US national debt (Debt to the Penny). It returns the total public debt, debt held by the public, intragovernmental holdings, and per-capita debt calculations.

Never Have I Ever generates random statements for the popular party game. Features 330+ unique prompts with per-API-key tracking to avoid repeats.

World News is a global news API that reads about 275 outlet feeds in 29 editions and 6 languages and merges them into stories: one entry per story however many outlets carry it, ranked by that coverage. Filter by 13 topics, by the country a story is about, by the edition it ran in, or by language.

Nobel Prizes searches laureate records by first name, last name, and award category. Each result includes the winner's full name, award year, and category, while paid plans add year filtering, motivations, and biographical details.

NSFW Image Detector scans uploaded photos to determine whether an image contains adult content. Send a JPG, PNG, or GIF file up to 10 MB to receive safe and adult content boolean flags.

Number Base Converter converts numbers between any base from 2 to 36, including binary, octal, decimal, and hexadecimal. Pass a value with optional source and target bases to receive the converted string, base names, and exact decimal values.

Number to Words is a number to words API that converts numeric values into written cardinal words and counts whole and fractional digits. Pass any integer or float to get the spelled-out text along with digit counts and locale information.

Nutrition returns the nutrition facts for a generic whole food by name - calories and the core macronutrients per 100 grams straight from the USDA food composition database - plus, on paid plans, a full micronutrient panel and derived nutrition intelligence like calories per gram and the protein,...

Office to PDF converts Word, Excel, PowerPoint, OpenDocument, RTF, text and CSV files to PDF and returns a download link valid for 2 days, with the page count of the result. Upload the file or send its URL. Paid plans can convert only selected pages and set landscape orientation.

Open Source Licenses is a software license API that looks up open source license details by name or identifier. It returns SPDX identifiers, canonical URLs, OSI approval status, legacy IDs, and domain applicability for software, content, or data.

Ovulation Calculator estimates ovulation dates, fertile windows, and provides detailed cycle phase information based on menstrual cycle data.

Palindrome Checker tests whether a string reads the same forwards and backwards, with options to ignore casing, spacing, and punctuation. It returns the boolean verdict, the normalized text, the reversed comparison string, and the length of the longest palindromic sequence.

Palladium Price tracks real-time spot rates for palladium per ounce, gram, and kilogram in USD. It supplies 24-hour price changes and update timestamps, while paid plans add custom currencies and 24-hour hourly history.

Parts Of Speech extracts words from text based on grammatical categories like nouns, verbs, and adjectives. Pass any text passage and a category to receive an array of matching words.