freeapis

Genderize.io

Estimates a gender from a first name

Authentication
No auth
HTTPS
Yes
CORS
Yes
Category
Development
Documentation / URL
https://genderize.io

Overview

Genderize.io estimates gender from a first name — keyless (verified live).

Quick Start

Estimate (verified live — Jane → female, 99%):

curl "https://api.genderize.io/?name=Jane"
{ "count": 402529, "name": "Jane", "gender": "female", "probability": 0.99 }

Authentication

None — keyless (free tier with limits).

Rate Limits & Notes

  • Free tier: 1,000 requests/day (check the docs); key for more.
  • Sibling APIs: Agify.io, Nationalize.io.

FAQ

Is Genderize free? Free tier: 1,000 requests/day; more with a key.

What does it return? Estimated gender from a first name.

Key needed? No for the free tier (verified).

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