Genderize.io
Genderize.io API estimates the gender associated with a given first name using a large database of names. It’s useful for demographic research, marketing, and personalization. The API offers a free tier with limited requests and paid plans for higher usage. No authentication is needed for basic use.
1
Endpoints
0
Views
Jul 20, 2025
Last Checked
1,000 requests/day
Rate Limit
API Endpoints
Predicts gender from a name
Full URL
https://api.genderize.ioCode Examples
curl -X GET 'https://api.genderize.io'Parameters
{
"name": "emily"
}Example Response
{
"name": "emily",
"gender": "female",
"probability": 0.98
}Version
v1
Rate Limit
1000 requests/day
Tags
demographicsprediction
Technical Details
Authentication
NoneResponse Formats
JSONAvailability
globalStatus
Published Rate Limits
1000 requests/day
Supported Languages
Any
Use Cases
user profiling
marketing analytics
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