curl -X POST "https://verification.didit.me/v3/database-validation/" \
-H "x-api-key: YOUR_API_KEY" \
-F "issuing_state=CHN" \
-F "services=chn_national_id" \
-F "vendor_data=user-1234" \
-F "consent=true" \
-F "full_name=王新伟" \
-F "date_of_birth=1990-01-01" \
-F "national_id=11010519900101003X"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="CHN",
services=["chn_national_id"],
consent=True,
full_name="王新伟",
date_of_birth="1990-01-01",
national_id="11010519900101003X",
vendor_data="user-1234",
)
print(result)
import Didit from "@didit-protocol/sdk-node";
// Reads DIDIT_API_KEY.
const didit = new Didit();
const result = await didit.databaseValidation.validate({
issuing_state: "CHN",
services: ["chn_national_id"],
consent: true,
full_name: "王新伟",
date_of_birth: "1990-01-01",
national_id: "11010519900101003X",
vendor_data: "user-1234",
});
console.log(result);
ctx := context.Background()
// Reads DIDIT_API_KEY.
client := didit.NewClient()
result, err := client.DatabaseValidation.Validate(ctx, didit.DatabaseValidationValidateParams{
IssuingState: "CHN",
Services: didit.Some([]string{"chn_national_id"}),
Consent: didit.Bool(true),
FullName: didit.String("王新伟"),
DateOfBirth: didit.String("1990-01-01"),
NationalID: didit.String("11010519900101003X"),
VendorData: didit.String("user-1234"),
})
if err != nil {
log.Fatal(err)
}
fmt.Printf("%+v\n", result)
import java.time.LocalDate;
import java.util.List;
import me.didit.Didit;
import me.didit.types.DatabaseValidationValidateParams;
// Reads DIDIT_API_KEY.
Didit client = new Didit();
var result = client.databaseValidation().validate(DatabaseValidationValidateParams.builder()
.issuingState("CHN")
.services(List.of("chn_national_id"))
.consent(true)
.fullName("王新伟")
.dateOfBirth(LocalDate.parse("1990-01-01"))
.nationalId("11010519900101003X")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'CHN',
'services' => ['chn_national_id'],
'consent' => true,
'full_name' => '王新伟',
'date_of_birth' => '1990-01-01',
'national_id' => '11010519900101003X',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "CHN",
services: ["chn_national_id"],
consent: true,
full_name: "王新伟",
date_of_birth: "1990-01-01",
national_id: "11010519900101003X",
vendor_data: "user-1234"
)
puts result.to_h
using System;
using System.Text.Json;
using Didit;
// Reads DIDIT_API_KEY.
using var client = new DiditClient();
var result = await client.DatabaseValidation.ValidateAsync(new DatabaseValidationValidateParams
{
IssuingState = "CHN",
Services = new string[] { "chn_national_id" },
Consent = true,
FullName = "王新伟",
DateOfBirth = "1990-01-01",
NationalId = "11010519900101003X",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "CHN",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "chn_national_id",
"service_name": "China National ID",
"source_data": {
"date_of_birth": "1990-01-01",
"identification_number": "11010519900101003X",
"verifications": {
"date_of_birth": true,
"full_name": true,
"identification_number": true
}
},
"validation": {
"date_of_birth": "full_match",
"full_name": "full_match",
"identification_number": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "In Review",
"issuing_state": "CHN",
"match_type": "partial_match",
"validations": [
{
"outcome_code": "PARTIAL_MATCH",
"service_id": "chn_national_id",
"service_name": "China National ID",
"source_data": {
"date_of_birth": "1990-01-01",
"identification_number": "11010519900101003X",
"verifications": {
"date_of_birth": true,
"full_name": false,
"identification_number": true
}
},
"validation": {
"date_of_birth": "full_match",
"full_name": "no_match",
"identification_number": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "CHN",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "chn_national_id",
"service_name": "China National ID",
"source_data": {
"date_of_birth": "NO_MATCH",
"full_name": "NO_MATCH",
"identification_number": "NO_MATCH"
},
"validation": {
"date_of_birth": "no_match",
"full_name": "no_match",
"identification_number": "no_match"
}
}
]
}
🇨🇳 中国
中国居民身份证核验 API:身份信息查询
Didit 提供中国居民身份证(China National ID)权威数据库核验,依托其身份基础设施。按次计费,起价 $0.50,无合同、无最低消费。
POST
/
v3
/
database-validation
/
curl -X POST "https://verification.didit.me/v3/database-validation/" \
-H "x-api-key: YOUR_API_KEY" \
-F "issuing_state=CHN" \
-F "services=chn_national_id" \
-F "vendor_data=user-1234" \
-F "consent=true" \
-F "full_name=王新伟" \
-F "date_of_birth=1990-01-01" \
-F "national_id=11010519900101003X"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="CHN",
services=["chn_national_id"],
consent=True,
full_name="王新伟",
date_of_birth="1990-01-01",
national_id="11010519900101003X",
vendor_data="user-1234",
)
print(result)
import Didit from "@didit-protocol/sdk-node";
// Reads DIDIT_API_KEY.
const didit = new Didit();
const result = await didit.databaseValidation.validate({
issuing_state: "CHN",
services: ["chn_national_id"],
consent: true,
full_name: "王新伟",
date_of_birth: "1990-01-01",
national_id: "11010519900101003X",
vendor_data: "user-1234",
});
console.log(result);
ctx := context.Background()
// Reads DIDIT_API_KEY.
client := didit.NewClient()
result, err := client.DatabaseValidation.Validate(ctx, didit.DatabaseValidationValidateParams{
IssuingState: "CHN",
Services: didit.Some([]string{"chn_national_id"}),
Consent: didit.Bool(true),
FullName: didit.String("王新伟"),
DateOfBirth: didit.String("1990-01-01"),
NationalID: didit.String("11010519900101003X"),
VendorData: didit.String("user-1234"),
})
if err != nil {
log.Fatal(err)
}
fmt.Printf("%+v\n", result)
import java.time.LocalDate;
import java.util.List;
import me.didit.Didit;
import me.didit.types.DatabaseValidationValidateParams;
// Reads DIDIT_API_KEY.
Didit client = new Didit();
var result = client.databaseValidation().validate(DatabaseValidationValidateParams.builder()
.issuingState("CHN")
.services(List.of("chn_national_id"))
.consent(true)
.fullName("王新伟")
.dateOfBirth(LocalDate.parse("1990-01-01"))
.nationalId("11010519900101003X")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'CHN',
'services' => ['chn_national_id'],
'consent' => true,
'full_name' => '王新伟',
'date_of_birth' => '1990-01-01',
'national_id' => '11010519900101003X',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "CHN",
services: ["chn_national_id"],
consent: true,
full_name: "王新伟",
date_of_birth: "1990-01-01",
national_id: "11010519900101003X",
vendor_data: "user-1234"
)
puts result.to_h
using System;
using System.Text.Json;
using Didit;
// Reads DIDIT_API_KEY.
using var client = new DiditClient();
var result = await client.DatabaseValidation.ValidateAsync(new DatabaseValidationValidateParams
{
IssuingState = "CHN",
Services = new string[] { "chn_national_id" },
Consent = true,
FullName = "王新伟",
DateOfBirth = "1990-01-01",
NationalId = "11010519900101003X",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "CHN",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "chn_national_id",
"service_name": "China National ID",
"source_data": {
"date_of_birth": "1990-01-01",
"identification_number": "11010519900101003X",
"verifications": {
"date_of_birth": true,
"full_name": true,
"identification_number": true
}
},
"validation": {
"date_of_birth": "full_match",
"full_name": "full_match",
"identification_number": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "In Review",
"issuing_state": "CHN",
"match_type": "partial_match",
"validations": [
{
"outcome_code": "PARTIAL_MATCH",
"service_id": "chn_national_id",
"service_name": "China National ID",
"source_data": {
"date_of_birth": "1990-01-01",
"identification_number": "11010519900101003X",
"verifications": {
"date_of_birth": true,
"full_name": false,
"identification_number": true
}
},
"validation": {
"date_of_birth": "full_match",
"full_name": "no_match",
"identification_number": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "CHN",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "chn_national_id",
"service_name": "China National ID",
"source_data": {
"date_of_birth": "NO_MATCH",
"full_name": "NO_MATCH",
"identification_number": "NO_MATCH"
},
"validation": {
"date_of_birth": "no_match",
"full_name": "no_match",
"identification_number": "no_match"
}
}
]
}
该服务用于将提交的数据与中国官方数据服务进行比对。Didit 通过
POST /v3/database-validation/ 提供此服务,使您能够将提交的数据与权威数据源进行核验,并获得标准化的匹配结果。输入格式:date_of_birth 的要求是,出生日期必须与中国居民身份证中编码的出生日期一致(18 位号码的第 7 至 14 位,或 15 位旧版号码的第 7 至 12 位)。
覆盖范围
- 覆盖率: ~ 100%
- 国家/地区: 中国
- 服务 ID:
chn_national_id - 数据领域: 身份
- 类别: NationalIDRegistry
输入
| 字段 | 必填 | 示例 |
|---|---|---|
full_name | 是 | 王新伟 |
date_of_birth | 是 | 1990-01-01 |
national_id | 是 | 11010519900101003X |
vendor_data | 否 | user-1234 |
- 必填输入:
full_name、date_of_birth、national_id - 可选输入:
vendor_data - 同意: 必须
- 工作流可用性: 可在工作流中使用
- 覆盖率: ~ 100%
- 价格: 每次成功查询 $0.50
请求体参数
string
默认值:"CHN"
必填
该数据库服务的 ISO 3166-1 alpha-3 国家代码。示例:
CHNstring
默认值:"chn_national_id"
必填
包含此服务 ID 的数组。指定该服务可将请求限定在这个特定数据库范围内。示例:
chn_national_idboolean
默认值:"true"
必填
终端用户针对此服务的明确同意。示例:
truestring
默认值:"王新伟"
必填
需要核验的完整法定姓名。示例:
王新伟string
默认值:"1990-01-01"
必填
YYYY-MM-DD 格式的出生日期。示例:1990-01-01string
默认值:"11010519900101003X"
必填
此服务使用的公民身份号码。示例:
11010519900101003Xstring
默认值:"user-1234"
您为该用户提供的稳定用户标识,例如您内部的用户 ID。Didit 使用它将独立检查与同一终端用户关联,并减少重复检测的干扰。示例:
user-1234输入规则与校验说明
- 出生日期必须与中国居民身份证中编码的出生日期一致(18 位号码的第 7 至 14 位,或 15 位旧版号码的第 7 至 12 位)
date_of_birth必须与national_id中编码的出生日期一致。两者不一致时,数据源会直接拒绝该请求,因此不一致的请求会在查询前被拒绝,且不收费。national_id必须符合(\d{15}|\d{17}[\dXx])。- 会校验中国居民身份证的最后一位校验码。
full_name必须是登记机构或证件上显示的原始中文姓名。进行中国数据库检查时,请勿发送拉丁字母音译姓名。
调用方法
curl -X POST "https://verification.didit.me/v3/database-validation/" \
-H "x-api-key: YOUR_API_KEY" \
-F "issuing_state=CHN" \
-F "services=chn_national_id" \
-F "vendor_data=user-1234" \
-F "consent=true" \
-F "full_name=王新伟" \
-F "date_of_birth=1990-01-01" \
-F "national_id=11010519900101003X"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="CHN",
services=["chn_national_id"],
consent=True,
full_name="王新伟",
date_of_birth="1990-01-01",
national_id="11010519900101003X",
vendor_data="user-1234",
)
print(result)
import Didit from "@didit-protocol/sdk-node";
// Reads DIDIT_API_KEY.
const didit = new Didit();
const result = await didit.databaseValidation.validate({
issuing_state: "CHN",
services: ["chn_national_id"],
consent: true,
full_name: "王新伟",
date_of_birth: "1990-01-01",
national_id: "11010519900101003X",
vendor_data: "user-1234",
});
console.log(result);
ctx := context.Background()
// Reads DIDIT_API_KEY.
client := didit.NewClient()
result, err := client.DatabaseValidation.Validate(ctx, didit.DatabaseValidationValidateParams{
IssuingState: "CHN",
Services: didit.Some([]string{"chn_national_id"}),
Consent: didit.Bool(true),
FullName: didit.String("王新伟"),
DateOfBirth: didit.String("1990-01-01"),
NationalID: didit.String("11010519900101003X"),
VendorData: didit.String("user-1234"),
})
if err != nil {
log.Fatal(err)
}
fmt.Printf("%+v\n", result)
import java.time.LocalDate;
import java.util.List;
import me.didit.Didit;
import me.didit.types.DatabaseValidationValidateParams;
// Reads DIDIT_API_KEY.
Didit client = new Didit();
var result = client.databaseValidation().validate(DatabaseValidationValidateParams.builder()
.issuingState("CHN")
.services(List.of("chn_national_id"))
.consent(true)
.fullName("王新伟")
.dateOfBirth(LocalDate.parse("1990-01-01"))
.nationalId("11010519900101003X")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'CHN',
'services' => ['chn_national_id'],
'consent' => true,
'full_name' => '王新伟',
'date_of_birth' => '1990-01-01',
'national_id' => '11010519900101003X',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "CHN",
services: ["chn_national_id"],
consent: true,
full_name: "王新伟",
date_of_birth: "1990-01-01",
national_id: "11010519900101003X",
vendor_data: "user-1234"
)
puts result.to_h
using System;
using System.Text.Json;
using Didit;
// Reads DIDIT_API_KEY.
using var client = new DiditClient();
var result = await client.DatabaseValidation.ValidateAsync(new DatabaseValidationValidateParams
{
IssuingState = "CHN",
Services = new string[] { "chn_national_id" },
Consent = true,
FullName = "王新伟",
DateOfBirth = "1990-01-01",
NationalId = "11010519900101003X",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
每次成功调用都返回 HTTP 200。outcome_code 字段说明实际发生的情况,例如,可区分真实的生物识别不匹配(BIOMETRIC_NO_MATCH)与无法读取的自拍照(BIOMETRIC_IMAGE_UNUSABLE)。所示的 status 为默认功能状态;您配置的 部分匹配 / 无匹配操作 可以覆盖该状态。MATCH:登记机构已确认身份,且所有被核验字段均匹配。{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "CHN",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "chn_national_id",
"service_name": "China National ID",
"source_data": {
"date_of_birth": "1990-01-01",
"identification_number": "11010519900101003X",
"verifications": {
"date_of_birth": true,
"full_name": true,
"identification_number": true
}
},
"validation": {
"date_of_birth": "full_match",
"full_name": "full_match",
"identification_number": "full_match"
}
}
]
}
PARTIAL_MATCH:已找到身份证号码,但一个或多个个人字段(通常是姓名或出生日期)未完全匹配。{
"request_id": "req_01H…",
"status": "In Review",
"issuing_state": "CHN",
"match_type": "partial_match",
"validations": [
{
"outcome_code": "PARTIAL_MATCH",
"service_id": "chn_national_id",
"service_name": "China National ID",
"source_data": {
"date_of_birth": "1990-01-01",
"identification_number": "11010519900101003X",
"verifications": {
"date_of_birth": true,
"full_name": false,
"identification_number": true
}
},
"validation": {
"date_of_birth": "full_match",
"full_name": "no_match",
"identification_number": "full_match"
}
}
]
}
NO_MATCH:登记机构未返回与所提交数据匹配的结果。{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "CHN",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "chn_national_id",
"service_name": "China National ID",
"source_data": {
"date_of_birth": "NO_MATCH",
"full_name": "NO_MATCH",
"identification_number": "NO_MATCH"
},
"validation": {
"date_of_birth": "no_match",
"full_name": "no_match",
"identification_number": "no_match"
}
}
]
}
返回数据
source_data 中返回的具体字段取决于登记机构返回的内容。chn_national_id 的自动生成示例目前记录了以下标准化结构:
date_of_birthidentification_number
定价与 SLA
中国居民身份证查询仅在 Didit 从核验数据源收到确定结果时计费。- 单次调用价格: $0.50 USD。
- 计费方式: 按每次成功查询计费。若登记机构无法访问、缺少必填字段,或请求在到达数据源前已被拒绝,则不收费。
- 延迟: 典型 p95 延迟低于 2 秒。
- 可用性: Didit 侧每季度的可用性为 99.9%;下游数据源的可用性因国家/地区和数据集而异。
延伸阅读
最后修改于 2026年11月7日