API Ninjas
Lookup and utility REST APIs for finance and market data, geolocation, transportation, tax, health and nutrition, text processing and computer vision, all behind one API key.
Free account. No credit card required.
Three ways to use API Ninjas
Ask your specialist
Pull data, take actions, or answer questions with this integration, right in a conversation.
Build a workflow
Create automated workflows that trigger on events, run on a schedule, or chain multiple tools together.
Power an app
Use this integration as a data source or action layer behind a dashboard, form, or internal tool.
Supported tools
Actions your AI agents can perform with API Ninjas.
Analyzes the sentiment of the provided text
Analyzes the sentiment of a piece of text and returns a sentiment result for it.
Autocomplete / typeahead suggestions for airport search. Matches against IATA, ICAO, name, and city. Premium only
Returns autocomplete suggestions for airport search, matching IATA, ICAO, name, and city. Requires a `q` of at least 2 characters. Requires a premium subscription.
Available values and counts for each dimension, given a selection
Builds every dependent dropdown in one request instead of one request per level.
Calculate calories burned
Calculates calories burned from an activity, weight in pounds, and duration in minutes. Requires an activity. For valid names use /caloriesburnedactivities. The image_url and icon_url fields are premium only.
Calculate mortgage payments
Calculates monthly and annual mortgage payments and interest from a loan amount or home value and downpayment, plus optional HOA, tax and insurance.
Calculates detailed tax information based on income, location, and filing status
Calculates income tax for the United States or Canada from income, location, and filing status, including state or provincial tax.