Free APIProductivityNo keyOfficial
Agify / Genderize / Nationalize
Predict age, gender, and nationality from a first name
A trio of sibling APIs that infer the most likely age (Agify), gender (Genderize), or nationality (Nationalize) for a given first name, each with a confidence/probability score. All three are free and keyless up to 100 names/day per IP and share an optional free key for 2,500 names/month.
Free tier
100 names/day free keyless; free key gives 2,500 names/monthRate limits
100 names/day per IP without a key (shared across the three APIs)Auth
No keyBase URL
https://api.agify.ioWhat you'd build with it
- Pre-fill or sanity-check demographic fields from a name during enrichment
- Personalize tone/locale defaults from a signup first name
- Lightweight data-augmentation step inside a lead-scoring automation
Key endpoints
- GET
https://api.agify.io?name={name}Predict age for a first name - GET
https://api.genderize.io?name={name}Predict gender + probability for a first name - GET
https://api.nationalize.io?name={name}Predict likely countries for a first name
Members
Members get the runnable recipe
Sign in free to copy the example request, see a sample response, and read the gotchas.
Tags
enrichmentdemographicsnamesdata