Predictions

Genderize

Predict gender from a name via API, spreadsheet, or no-code — enrich datasets with demographic insights in seconds

genderize.io

Verified API available Works with Make · n8n Free tier ~19k monthly visits

Quick facts
What is it	Predict gender from a name via API, spreadsheet, or no-code — enrich datasets with demographic insights in seconds
Pricing	Freemium
Free tier	Yes
Platform	API
API	Yes
Works with	Make, n8n
Best for	Enriching customer databases with gender demographics, Academic research on gender diversity in publications
Domain registered	2013

Data updated Aug. 1, 2026

What does Genderize do?

Genderize is a straightforward tool that predicts the likely gender of a person based on their first name. You can feed it a single name through the web interface, upload a spreadsheet for batch processing, or integrate it directly into your workflows via a simple API. It also offers no-code integrations with platforms like Google Sheets, Airtable, and Zapier, plus a new MCP (Model Context Protocol) endpoint that lets AI assistants like Claude and ChatGPT query gender data in plain language. The tool is part of a suite that includes age and nationality prediction from names (Agify and Nationalize).

Under the hood, Genderize draws on a dataset built from over 1 billion people, collected and refined over 12 years. It handles full names, diacritics, and non-Latin alphabets, and you can scope requests to specific countries for more accurate results. The API is designed for high-volume use, with community-maintained SDKs for Ruby, Python, Go, JavaScript, PHP, Java, C#, R, and Scala. There's also a spreadsheet upload tool that enriches your data with gender, age, and nationality predictions in minutes. The free tier gives you 2,500 names per month with no credit card required.

This tool is most useful for researchers analyzing demographic biases in media or academic publishing, marketers segmenting audiences by gender, and journalists investigating representation in datasets. It's also handy for any developer who needs to enrich a user database with demographic estimates. The simplicity is the selling point — you don't need a data science team to get reliable gender predictions at scale.

For Data Analytics Predictions

#api#data enrichment#demographic analysis#developer tools#gender-prediction#name-parsing#no-code integration#spreadsheet-processing

Key features

What makes it stand out

API for high-volume gender classification with support for full names, diacritics, and country-specific scoping

Spreadsheet upload tool that predicts gender, age, and nationality from a CSV or Excel file in minutes

No-code integrations with Google Sheets, Airtable, Shopify, Salesforce, Zapier, Make, n8n, and Pipedream

MCP (Model Context Protocol) support lets AI assistants like Claude and ChatGPT query gender data in natural language

Free tier of 2,500 names per month with no credit card required, plus transparent paid plans

Who is Genderize for?

Who benefits most from this tool

Enriching customer databases with gender demographics

Academic research on gender diversity in publications

Analyzing audience composition for media and marketing

Pricing

Free tier available — start without a credit card

Free tier

Free

2,500 names per month
All three APIs (gender, age, nationality)
No rate limiting
Email support
Spreadsheet bulk upload tool
Zapier, Make, Pipedream
DPA & GDPR compliance
Country-scoped requests
Community SDKs (12 languages)
Cancel anytime

Standard

$50.0/month billed yearly

250,000 names per month
All three APIs (gender, age, nationality)
No rate limiting
Email support
Spreadsheet bulk upload tool
Zapier, Make, Pipedream
DPA & GDPR compliance
Country-scoped requests
Community SDKs (12 languages)
Cancel anytime

Enterprise

Custom

All three APIs (gender, age, nationality)
No rate limiting
Email support
Spreadsheet bulk upload tool
Zapier, Make, Pipedream
DPA & GDPR compliance
Country-scoped requests
Community SDKs (12 languages)
Cancel anytime

Trust & presence

Domain Domain registered 2013

Gallery

Click any image to enlarge

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