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# Agify.io
> Agify.io is a REST API that predicts the age of a person from their first name, returning an estimated age and the number of data rows examined. It is operated by Demografix ApS (Denmark) and is part of a suite of three name-based demographic APIs.
Agify.io bases its predictions on a dataset of over 908 million data rows covering 240+ countries and territories. The API is used for demographic analysis, audience segmentation, customer profiling, and academic research.
Important: Agify.io predicts the statistical average age of people with a given name — it does not predict the age of a specific individual. Results reflect the age distribution of people with that name in the dataset, not a birth year estimate for any particular person.
## API
- [API Documentation](https://agify.io/documentation): Full API reference with request/response formats, parameters, error codes, and examples
- [Example request](https://api.agify.io?name=peter): `GET https://api.agify.io?name=peter` returns `{"count":169145,"name":"peter","age":71}`
- [Country-scoped request](https://api.agify.io?name=peter&country_id=dk): `GET https://api.agify.io?name=peter&country_id=dk` returns `{"count":2912,"name":"peter","age":64,"country_id":"DK"}` — age predictions vary by country because naming trends differ. Use `country_id` (ISO 3166-1 alpha-2) to scope predictions.
- [Batch requests](https://agify.io/documentation): Up to 10 names per request using `name[]=` parameter. Each name counts as one lookup against your quota.
- [Our Data](https://agify.io/our-data): Details on dataset size and country coverage
## Pricing
- [Pricing](https://agify.io/pricing): All tiers include access to all three APIs (genderize.io, agify.io, nationalize.io).
- Free: 100 names/day, no API key required
- Basic: 25,000 names/month — $20/month
- Standard: 250,000 names/month — $60/month
- Plus: 2,500,000 names/month — $180/month
- Premium: 25,000,000 names/month — $540/month
- Yearly billing a