API 文档 V2

API V2 身份验证与 IP 试用

使用您现有的 API 密钥进行 GenderAPI.io V2 身份验证。了解 Bearer 请求头、GET 查询参数中的密钥、IP 试用访问和 JSON 请求。

身份验证与 IP 试用

参数类型必填默认值说明
Authorizationstring否—发送 Bearer YOUR_API_KEY 以使用账户。缺失或无法识别的密钥会使用共享的 IP 试用。
Content-Typestring仅限 POST—POST 请求请发送 application/json。

请从您的服务器发送 Authorization: Bearer YOUR_API_KEY,并将 YOUR_API_KEY 替换为您现有的 GenderAPI.io 密钥。两个版本共用您的余额,无需单独的 V2 订阅或密钥。

所有 POST 请求都需要 Content-Type: application/json。请使用您现有的 Bearer API 密钥。每个请求都会被独立处理;重复发送的请求按正常规则计费。

只有 GET /gender 还接受 key 查询参数。集成时请优先使用 Authorization 请求头,因为 URL 可能会被保存在浏览器历史记录和日志中。不要把私有密钥放在前端代码中。

缺失、格式无效或无法识别的密钥会转为使用与 V1 共享的 IP 试用;已识别但被停用、已过期或受限的密钥则不会。请检查 meta.access.mode:api_key、ip_trial 或 unauthenticated。转为试用的原因包括 api_key_missing、api_key_invalid 或 api_key_not_found。因此,无效密钥也可能得到成功的试用响应;在生产环境中请务必确认访问模式。

IP 试用积分在 24 小时周期结束后重置,不一定是在午夜。请通过 /usage 读取 resets_at。使用同一公网 IP 的用户共享这一额度。

设置您的 API 密钥

从您的 GenderAPI.io 账户中复制 API 密钥。将下方的 YOUR_API_KEY 替换为该密钥,然后在同一个终端会话中运行您选择的示例。这些命令只为当前会话设置环境变量;页面上的占位符并不是可用的密钥。

在应用或部署环境中,请将 GENDERAPI_API_KEY 配置为服务器端机密。示例不会自动加载 .env 文件。不要让密钥出现在浏览器打包文件、源代码管理系统或公开 URL 中。

macOS / Linux 终端
export GENDERAPI_API_KEY='YOUR_API_KEY'
Windows PowerShell
$env:GENDERAPI_API_KEY = 'YOUR_API_KEY'

在不消耗积分的情况下验证访问

使用 Bearer 请求头调用 GET /usage。有效的账户密钥会返回 meta.access.mode: api_key。如果结果显示 ip_trial,请先检查复制的密钥,再运行预测。此请求免费,即使账户已没有剩余积分也可调用。

选择编程语言。设置您的 API 密钥,然后在您的服务器上运行示例。

读取余额不消耗积分,但仍计入请求速率限制。

运行之前:访问与错误处理

请在您的服务器上运行这些示例。在进程环境中将 GENDERAPI_API_KEY 设置为您现有的 API 密钥。请确认 meta.access.mode 为 api_key:无法识别的密钥可能会转为使用 IP 试用。

对于 HTTP 4xx 和 5xx JSON 响应,示例会保留错误响应体并以非零状态退出。重试前请检查 code、action 和 meta.usage.billing_status。

错误与重试指南 →
cURL
curl --silent --show-error --fail-with-body --max-time 30 \
  --request GET 'https://api.genderapi.io/api/v2/usage' \
  --header "Authorization: Bearer ${GENDERAPI_API_KEY:?Set GENDERAPI_API_KEY}"

cURL 7.76+,在 POSIX shell 中运行。在终端中运行。运行环境文档

JavaScript / Node.js
// Server-side Node.js. Save as example.mjs.
const apiKey = process.env.GENDERAPI_API_KEY;
if (!apiKey) throw new Error("Set GENDERAPI_API_KEY");

const response = await fetch("https://api.genderapi.io/api/v2/usage", {
  method: "GET",
  headers: {
    Authorization: `Bearer ${apiKey}`,
  },
  signal: AbortSignal.timeout(30_000),
  redirect: "error",
});
const raw = await response.text();
if (!(response.headers.get("content-type") ?? "").includes("json")) {
  throw new Error(`HTTP ${response.status}: expected JSON; request ID ${response.headers.get("x-request-id")}`);
}
const result = JSON.parse(raw); // Also accepts application/problem+json.
if (!response.ok) {
  console.error(`HTTP ${response.status}`, result);
  process.exitCode = 1; // A retry is a new operation; inspect billing first.
} else {
  console.log(JSON.stringify(result, null, 2));
  // For batches, inspect every item: HTTP 200 may contain item errors.
}

Node.js 22+;内置 fetch。保存为 example.mjs,然后运行 node example.mjs。运行环境文档

Python
import json
import os
import sys
import urllib.error
import urllib.request

api_key = os.environ.get("GENDERAPI_API_KEY")
if not api_key:
    raise RuntimeError("Set GENDERAPI_API_KEY")

class NoRedirect(urllib.request.HTTPRedirectHandler):
    def redirect_request(self, req, fp, code, msg, headers, newurl):
        return None

request = urllib.request.Request(
    "https://api.genderapi.io/api/v2/usage",
    method="GET",
    headers={
        "Authorization": "Bearer " + api_key,
    },
)
opener = urllib.request.build_opener(NoRedirect())
try:
    response = opener.open(request, timeout=30)
except urllib.error.HTTPError as error:
    response = error  # Keep the Problem Details body on non-2xx responses.
with response:
    status = response.status
    raw = response.read().decode("utf-8")
    if "json" not in response.headers.get("Content-Type", ""):
        raise RuntimeError(f"HTTP {status}: expected a JSON response")
    result = json.loads(raw)
print(json.dumps(result, indent=2), file=sys.stderr if status >= 300 else sys.stdout)
if not 200 <= status < 300:
    sys.exit(1)  # Inspect code, action and billing before retrying.
# For batches, inspect every item even when HTTP status is 200.

Python 3.10+;标准库。保存为 example.py,然后运行 python3 example.py。运行环境文档

PHP
<?php
$apiKey = getenv('GENDERAPI_API_KEY');
if (!$apiKey) {
    throw new RuntimeException('Set GENDERAPI_API_KEY');
}

$ch = curl_init('https://api.genderapi.io/api/v2/usage');
curl_setopt_array($ch, [
    CURLOPT_CUSTOMREQUEST => 'GET',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_FOLLOWLOCATION => false,
    CURLOPT_TIMEOUT => 30,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . $apiKey,
    ],
]);
$raw = curl_exec($ch);
if ($raw === false) {
    throw new RuntimeException(curl_error($ch));
}
$status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE) ?: '';
curl_close($ch);
if (strpos($contentType, 'json') === false) {
    throw new RuntimeException("HTTP $status: expected a JSON response");
}
$result = json_decode($raw, true, 512, JSON_THROW_ON_ERROR);
$output = json_encode($result, JSON_PRETTY_PRINT | JSON_THROW_ON_ERROR) . PHP_EOL;
if ($status < 200 || $status >= 300) {
    fwrite(STDERR, $output); // Preserve the Problem Details body.
    exit(1);
}
echo $output;
// For batches, inspect every item; HTTP 200 can contain item errors.

PHP 8+,需要 cURL 扩展。保存为 example.php,然后运行 php example.php。运行环境文档

Java
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.nio.charset.StandardCharsets;
import java.time.Duration;

public class GenderApiExample {
    private static String requiredEnv(String name) {
        String value = System.getenv(name);
        if (value == null || value.isBlank()) throw new IllegalStateException("Set " + name);
        return value;
    }

    public static void main(String[] args) throws Exception {
        String apiKey = requiredEnv("GENDERAPI_API_KEY");
        HttpClient client = HttpClient.newBuilder()
            .connectTimeout(Duration.ofSeconds(10))
            .followRedirects(HttpClient.Redirect.NEVER)
            .build();
        HttpRequest request = HttpRequest.newBuilder(URI.create("https://api.genderapi.io/api/v2/usage"))
            .timeout(Duration.ofSeconds(30))
            .header("Authorization", "Bearer " + apiKey)
            .GET()
            .build();
        HttpResponse<String> response = client.send(request,
            HttpResponse.BodyHandlers.ofString(StandardCharsets.UTF_8));
        if (!response.headers().firstValue("content-type").orElse("").contains("json")) {
            throw new IllegalStateException("HTTP " + response.statusCode() + ": expected JSON");
        }
        // JSON text; parse with your application's JSON library when integrating.
        if (response.statusCode() < 200 || response.statusCode() >= 300) {
            System.err.println(response.body()); // Includes Problem Details.
            System.exit(1);
        }
        System.out.println(response.body());
        // For batches, inspect each item's data or error, including on HTTP 200.
    }
}

Java 17+;标准 HTTP 客户端。保存为 GenderApiExample.java,然后运行 java GenderApiExample.java。运行环境文档

C# / .NET
using System;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Text.Json;

string RequiredEnv(string name) =>
    !string.IsNullOrWhiteSpace(Environment.GetEnvironmentVariable(name))
        ? Environment.GetEnvironmentVariable(name)!
        : throw new InvalidOperationException($"Set {name}");

var apiKey = RequiredEnv("GENDERAPI_API_KEY");
using var handler = new HttpClientHandler { AllowAutoRedirect = false };
using var client = new HttpClient(handler) { Timeout = TimeSpan.FromSeconds(30) };
using var request = new HttpRequestMessage(HttpMethod.Get, "https://api.genderapi.io/api/v2/usage");
request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", apiKey);

using var response = await client.SendAsync(request);
var raw = await response.Content.ReadAsStringAsync();
if (!(response.Content.Headers.ContentType?.MediaType?.Contains("json") ?? false))
    throw new InvalidOperationException($"HTTP {(int)response.StatusCode}: expected JSON");
using var result = JsonDocument.Parse(raw);
if (!response.IsSuccessStatusCode)
{
    Console.Error.WriteLine(result.RootElement); // Preserve Problem Details.
    Environment.ExitCode = 1;
}
else
{
    Console.WriteLine(result.RootElement);
    // For batches, inspect every item even on HTTP 200.
}

.NET 8+ 控制台应用。在控制台项目中作为 Program.cs 使用,然后运行 dotnet run。运行环境文档

Go
package main

import (
    "encoding/json"
    "fmt"
    "io"
    "net/http"
    "os"
    "strings"
    "time"
)

func requiredEnv(name string) string {
    value := os.Getenv(name)
    if value == "" { panic("Set " + name) }
    return value
}

func run() error {
    apiKey := requiredEnv("GENDERAPI_API_KEY")
    request, err := http.NewRequest("GET", "https://api.genderapi.io/api/v2/usage", nil)
    if err != nil { return err }
    request.Header.Set("Authorization", "Bearer " + apiKey)
    client := &http.Client{
        Timeout: 30 * time.Second,
        CheckRedirect: func(req *http.Request, via []*http.Request) error {
            return http.ErrUseLastResponse
        },
    }
    response, err := client.Do(request)
    if err != nil { return err }
    defer response.Body.Close()
    raw, err := io.ReadAll(response.Body)
    if err != nil { return err }
    if !strings.Contains(response.Header.Get("Content-Type"), "json") || !json.Valid(raw) {
        return fmt.Errorf("HTTP %d: expected a JSON response", response.StatusCode)
    }
    if response.StatusCode < 200 || response.StatusCode >= 300 {
        return fmt.Errorf("HTTP %d: %s", response.StatusCode, raw)
    }
    fmt.Println(string(raw))
    // For batches, inspect every item even on HTTP 200.
    return nil
}

func main() {
    if err := run(); err != nil {
        fmt.Fprintln(os.Stderr, err) // Keep Problem Details for error handling.
        os.Exit(1)
    }
}

Go 1.22+;标准库。保存为 main.go,然后运行 go run main.go。运行环境文档

后续步骤