API Ninjas

Tool to analyze the sentiment of text. Returns a numerical sentiment score from -1 to 1 and a classification (POSITIVE, WEAK_POSITIVE, NEUTRAL, WEAK_NEGATIVE, or NEGATIVE). Use when you need to determine the emotional tone or sentiment of text content.

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Tool to generate a barcode image for specified text. Use when you need a barcode image (PNG or SVG) of custom data.

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Tool to look up bank information from a Bank Identification Number. Use after you have a BIN to fetch issuer details (brand, type, country).

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Tool to retrieve the latest Bitcoin price and 24-hour market data. Use when you need real-time Bitcoin metrics in USD.

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Tool to calculate calories burned for an activity based on duration and body weight. Use when you need to estimate energy expenditure for physical activities.

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Tool to calculate mortgage payments and breakdowns. Use when you need to determine monthly/annual payments, including mortgage, property tax, HOA, and insurance components.

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Tool to calculate sales tax for a purchase amount at a US location. Use when you need to determine the sales tax for a purchase based on ZIP code or city/state. Premium features include detailed breakdowns by city, county, and special districts.

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Tool to check domain availability and retrieve registration information. Use when you need to verify if a domain is available for registration or get details about an existing domain.

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Tool to check if a specific date is a public holiday in a given country. Use when you need to verify holiday status for scheduling, planning, or calendar-related tasks. Returns holiday name if applicable.

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Tool to check if a date is a working day in a specific country. Returns whether the date is a working day, accounting for weekends and public holidays. Use when you need to determine if a business is likely to be open on a specific date.

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Tool to check spelling and get corrections for text. Returns the original text, corrected version, and detailed corrections with alternative suggestions.

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Get real-time commodity prices from major exchanges (CME, NYMEX, COMEX). Prices are based on rolling futures contracts in USD. Free tier has limited commodities that rotate weekly. Use snake_case for commodity names (e.g., 'micro_gold', 'natural_gas'). Example: "What is the current price of natural gas?"

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Tool to compute semantic similarity between two texts. Returns a similarity score from 0 to 1 using NLP embeddings and cosine similarity. Use when comparing text content, detecting duplicates, or measuring semantic relatedness.

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Convert between currencies using current exchange rates. Returns the converted amount with both source and target currency details. Use this when you need to know how much a specific amount in one currency is worth in another currency.

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Convert between measurement units across different categories. Returns converted values for all units in the same category. Use this when you need to convert measurements (length, weight, temperature, volume, area, time, speed, etc.) from one unit to another.

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Get the current real-time price for a cryptocurrency trading pair. Returns the latest price and timestamp for symbols like BTCUSDT (Bitcoin to USD), ETHUSDT (Ethereum to USD), or crypto-to-crypto pairs like LTCBTC (Litecoin to Bitcoin). Use this to check current cryptocurrency market prices.

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Tool to detect the language of input text. Returns the ISO language code and full language name. For best accuracy, use text with 10 or more words.

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Tool to check whether an email address is from a disposable email provider. Use when validating user emails prior to sending communications.

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Tool to retrieve DNS records for a specified domain. Use when you need DNS record details for troubleshooting or validation.

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Fetches historical earnings data (EPS and revenue - actual vs. estimated) for a publicly traded company by stock ticker. Returns past quarterly earnings dates with actual and estimated EPS/revenue figures. Useful for tracking earnings beats/misses and analyzing company financial performance over time.

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Retrieve the full earnings call transcript for a publicly traded company. Use this tool when you need to analyze what was discussed during a company's quarterly earnings call, including management commentary, Q&A with analysts, financial guidance, and strategic updates. Note: This endpoint requires a premium API Ninja…

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Retrieve detailed information about an Exchange-Traded Fund (ETF) by its ticker symbol. Returns the ETF's full name, ISIN, CUSIP, and country of origin. Note: expense_ratio, aum, holdings, and num_holdings require a premium API subscription and will return null for free-tier users.

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Tool to extract main content and metadata from a webpage. Returns URL, domain, path, page title, description, meta tags, and favicon. Use when you need to retrieve structured information from any web page.

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Tool to detect and censor profanity in text. Returns the original text, censored version with profane words replaced by asterisks, and whether profanity was detected.

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Tool to find electric vehicle charging stations near a specified location. Use when you need to locate EV charging infrastructure by geographic coordinates.

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Tool to generate Lorem Ipsum placeholder text. Use when you need dummy text for design mockups, testing, or content placeholders.

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Tool to generate secure random passwords with configurable length and character types. Use when you need to create strong passwords with specific requirements for uppercase, lowercase, numbers, and special characters.

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Tool to generate QR code images for encoding data. Use when you need to create scannable QR codes for URLs, text, or other data. Returns the QR code as a PNG or SVG image file.

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Tool to generate fake random user profiles with realistic data. Returns user profiles with names, addresses, contact info, job details, and technical data. Use when you need realistic test data, demo users, or placeholder profiles for development and testing purposes.

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Tool to generate a new Sudoku puzzle with a specified difficulty level. Use when you need to create Sudoku puzzles for games or educational purposes. Returns both the puzzle grid (with empty cells) and the complete solution.

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