: Predict gender from name

API: genderize.io:genderize.io
Endpoint: /
Response format: text/plain
Auth: unknown
Method: GET
Last Status: 200
Latency: 723ms

Description

Returns gender prediction for a given first name. Supports both single name and batch lookups (up to 10 names). Optional country scoping available.

Parameters (4)

apikey (string, query, optional)

API key for authenticated requests (required for paid tiers)

country_id (string, query, optional)

ISO 3166-1 alpha-2 country code to scope prediction to a specific country

Constraints: {'pattern': '^[A-Z]{2}$'}

name (string, query, optional)

First name to predict gender for. The API will attempt to parse full names and extract the first name.

name[] (array, query, optional)

Array of names for batch lookup (max 10). Each name counts as a separate request.

Examples (2)

Predict gender from name openapi-spec

curl 'https://api.genderize.io/?name=john&name%5B%5D=%5B%27alice%27%2C+%27bob%27%5D&country_id=US'

import requests

resp = requests.get(
    "https://api.genderize.io/",
    params={
        'name': 'john',
        'name[]': "['alice', 'bob']",
        'country_id': 'US',
    },
)
data = resp.json()

import zingu_apis

api = zingu_apis.api("genderize")
result = api.fetch("", name="john", name[]="['alice', 'bob']", country_id="US")

for item in result:
    print(item)

const resp = await fetch("https://api.genderize.io/?name=john&name%5B%5D=%5B%27alice%27%2C+%27bob%27%5D&country_id=US");
const data = await resp.json();

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Predict gender from name probe-gate

curl 'https://api.genderize.io/?name=john&name%5B%5D=%5B%27alice%27%2C+%27bob%27%5D&country_id=US'

import requests

resp = requests.get(
    "https://api.genderize.io/",
    params={
        'name': 'john',
        'name[]': "['alice', 'bob']",
        'country_id': 'US',
    },
)
data = resp.json()

import zingu_apis

api = zingu_apis.api("genderize")
result = api.fetch("", name="john", name[]="['alice', 'bob']", country_id="US")

for item in result:
    print(item)

const resp = await fetch("https://api.genderize.io/?name=john&name%5B%5D=%5B%27alice%27%2C+%27bob%27%5D&country_id=US");
const data = await resp.json();

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Probe History

Latency

Status Codes

Time	Status	Latency
2026-04-16 17:45:04.414026	200	723ms
2026-04-16 04:09:32.776439	200	614ms
2026-04-16 00:08:06.775598	200	655ms
2026-04-15 01:37:48.063102	200	517ms
2026-04-15 01:28:32.527778	200	567ms
2026-04-14 02:37:06.371543	200	820ms
2026-04-14 00:57:18.351348	200	627ms
2026-04-12 16:18:56.441521	200	532ms
2026-04-12 13:16:19.002570	200	754ms
2026-04-10 02:49:38.834768	200	1623ms
2026-04-10 01:37:25.827996	200	413ms
2026-04-09 02:49:40.954500	200	631ms
2026-04-09 02:32:07.983220	200	517ms
2026-03-27T11:43:33.287132	200	1120ms