NameGender predicts gender from a first name, a full name, an email address or a username, and tells you how much to trust each answer: every response carries a probability, the number of records it is based on, a confidence level and the source it came from.
- 100 free lookups every day, no card
- Country hints for names whose gender depends on the country (Jean is male in France and female in the United States)
- Names in non-Latin scripts, including Chinese, Japanese, Korean, Arabic and Hebrew
- Open dataset of names that change gender by country: https://namegender.com/research/names-that-change-gender-by-country
- Full names are split into first, middle and last name
- Bulk endpoint (100 names per request) and CSV/XLSX files up to one million rows
- Per-key option not to store the names you send
- Google Sheets add-on, n8n node, MCP server and client libraries for Python, JavaScript, PHP, Go, Java and Ruby
Accuracy is published per script, including where other services do better: https://namegender.com/research/gender-api-benchmark-2026
Pricing: from €0.0158 per 1,000 names on a monthly subscription. Credits you buy once stay on your balance until you spend them.
