Libraries tagged by population api

Allows parsing data of various structures, meaning the population and validation of data into a defined structure. For example, converting an API request into a Data Transfer Object (DTO).

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A country population and demographic data API. Look up any country by ISO code to get its population data, with total population, growth rate, density, urban/rural breakdown, and life expectancy on paid plans.

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ZIP Demographics is a demographic data API for any US ZIP code, built on the US Census American Community Survey. Every plan gets total population and median household income, while paid plans add age, per-capita income, education, housing, employment, and racial composition.

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Cities Lookup is a city search API that searches over 150,000 global cities to find country codes, population counts, and city size classifications by name. Paid plans add GeoJSON coordinates and custom match limits.

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Omnilab IUCN Red List: a taxon of the IUCN Red List of Threatened Species by its SIS id or scientific name - classification, authority, common names, synonyms, assessing group - with its latest global assessment (Red List category, criteria, population trend, year, possibly extinct, citation), through the Red List API v4 with the user's API token.

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

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Menstrual Cycle Calculator is a period tracker API that predicts future menstrual cycles, fertile windows, and ovulation dates from the last period date and the average cycle and period length.

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