# Genderize, Agify and Nationalize

Category: [Language and text](https://free-web-services.com/web-services/language/)  
Page: https://free-web-services.com/web-services/language/genderize-agify-and-nationalize.html  
Documentation: https://genderize.io/

Genderize.io, Agify.io and Nationalize.io predict the likely gender, age or nationality for a first name, based on large datasets of names. Each result includes a probability and the number of data points it is based on, and you can narrow a prediction to a country. Responses are JSON. Free up to 100 names per day; paid plans for more.

- API key: Not needed
- Pricing: Free up to 100 names per day; paid plans for more.
- From the browser: Yes (CORS)
- Formats: JSON
- Interface: REST, HTTP-GET
- Provider: genderize.io
- Last checked: Working on November 8th, 2026

Example request:

```sh
curl 'https://api.genderize.io?name=peter'
```

The JavaScript works in a web page as well as in Node.js 18 or newer.