curl -X POST "https://verification.didit.me/v3/database-validation/" \
-H "x-api-key: YOUR_API_KEY" \
-F "issuing_state=USA" \
-F "services=usa_states_death_check" \
-F "vendor_data=user-1234" \
-F "first_name=John" \
-F "last_name=Doe"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="USA",
services=["usa_states_death_check"],
first_name="John",
last_name="Doe",
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: "USA",
services: ["usa_states_death_check"],
first_name: "John",
last_name: "Doe",
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: "USA",
Services: didit.Some([]string{"usa_states_death_check"}),
FirstName: didit.String("John"),
LastName: didit.String("Doe"),
VendorData: didit.String("user-1234"),
})
if err != nil {
log.Fatal(err)
}
fmt.Printf("%+v\n", result)
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("USA")
.services(List.of("usa_states_death_check"))
.firstName("John")
.lastName("Doe")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'USA',
'services' => ['usa_states_death_check'],
'first_name' => 'John',
'last_name' => 'Doe',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "USA",
services: ["usa_states_death_check"],
first_name: "John",
last_name: "Doe",
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 = "USA",
Services = new string[] { "usa_states_death_check" },
FirstName = "John",
LastName = "Doe",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "USA",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "usa_states_death_check",
"service_name": "United States of America - United States Death Check (SSDMF)",
"source_data": {
"date_of_birth": "1990-01-01",
"first_name": "John",
"full_name": "John Doe",
"last_name": "Doe",
"name_match_score": "1.000",
"verifications": {
"full_name": true
}
},
"validation": {
"full_name": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "USA",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "usa_states_death_check",
"service_name": "United States of America - United States Death Check (SSDMF)",
"source_data": {
"full_name": "NO_MATCH"
},
"validation": {
"full_name": "no_match"
}
}
]
}
🇺🇸 美国
美国死亡核查(SSDMF)API:数据比对
Didit提供美国死亡核查(SSDMF),通过权威美国数据库进行查询。按次调用计费,起价$0.06,无合约,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=USA" \
-F "services=usa_states_death_check" \
-F "vendor_data=user-1234" \
-F "first_name=John" \
-F "last_name=Doe"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="USA",
services=["usa_states_death_check"],
first_name="John",
last_name="Doe",
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: "USA",
services: ["usa_states_death_check"],
first_name: "John",
last_name: "Doe",
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: "USA",
Services: didit.Some([]string{"usa_states_death_check"}),
FirstName: didit.String("John"),
LastName: didit.String("Doe"),
VendorData: didit.String("user-1234"),
})
if err != nil {
log.Fatal(err)
}
fmt.Printf("%+v\n", result)
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("USA")
.services(List.of("usa_states_death_check"))
.firstName("John")
.lastName("Doe")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'USA',
'services' => ['usa_states_death_check'],
'first_name' => 'John',
'last_name' => 'Doe',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "USA",
services: ["usa_states_death_check"],
first_name: "John",
last_name: "Doe",
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 = "USA",
Services = new string[] { "usa_states_death_check" },
FirstName = "John",
LastName = "Doe",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "USA",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "usa_states_death_check",
"service_name": "United States of America - United States Death Check (SSDMF)",
"source_data": {
"date_of_birth": "1990-01-01",
"first_name": "John",
"full_name": "John Doe",
"last_name": "Doe",
"name_match_score": "1.000",
"verifications": {
"full_name": true
}
},
"validation": {
"full_name": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "USA",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "usa_states_death_check",
"service_name": "United States of America - United States Death Check (SSDMF)",
"source_data": {
"full_name": "NO_MATCH"
},
"validation": {
"full_name": "no_match"
}
}
]
}
官方的 Social Security Death Master File。Didit 通过
POST /v3/database-validation/ 提供此服务,便于您将提交的数据与权威来源核对,并获取规范化的匹配结果。
覆盖范围
- 覆盖范围: 100%*
- 国家/地区: 美国
- 服务 ID:
usa_states_death_check - 数据领域: 其他
- 类别: DeathRecord
输入参数
| 字段 | 必填 | 示例 |
|---|---|---|
first_name | 是 | John |
last_name | 是 | Doe |
middle_name | 否 | Demo |
date_of_birth | 否 | 1990-01-01 |
ssn | 否 | 123456789 |
vendor_data | 否 | user-1234 |
- 必填输入:
first_name、last_name - 可选输入:
middle_name、date_of_birth、ssn、vendor_data - 同意: 无需
- 工作流可用性: 可在工作流中使用
- 覆盖范围: 100%*
- 价格: 每次成功查询 $0.06
请求体参数
string
默认值:"USA"
必填
该数据库服务所用的 ISO 3166-1 alpha-3 国家代码。示例:
USAstring
默认值:"usa_states_death_check"
必填
包含此服务 ID 的数组。固定服务 ID 可将请求限定在该特定数据库内。示例:
usa_states_death_checkstring
默认值:"John"
必填
待验证的名字。示例:
Johnstring
默认值:"Doe"
必填
待验证的姓氏。示例:
Doestring
中间名(如有)。示例:
Demostring
出生日期,格式为
YYYY-MM-DD。示例:1990-01-01string
此数据库服务所需的
ssn 值。示例:123456789string
默认值:"user-1234"
您为该用户提供的稳定用户标识,例如内部用户 ID。Didit 使用它将独立核验关联到同一终端用户,从而减少重复检测的干扰。示例:
user-1234输入规则与验证说明
- 美国社会安全号码(SSN)或个人纳税识别号(ITIN):完整的 9 位数字(可含或不含连字符),或仅后 4 位数字
ssn必须匹配(?:\d{9}|\d{3}-\d{2}-\d{4}|\d{4})。- 对于
ssn,请发送完整的 9 位 SSN/ITIN(可含或不含连字符),或仅发送其后 4 位。
调用方法
curl -X POST "https://verification.didit.me/v3/database-validation/" \
-H "x-api-key: YOUR_API_KEY" \
-F "issuing_state=USA" \
-F "services=usa_states_death_check" \
-F "vendor_data=user-1234" \
-F "first_name=John" \
-F "last_name=Doe"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="USA",
services=["usa_states_death_check"],
first_name="John",
last_name="Doe",
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: "USA",
services: ["usa_states_death_check"],
first_name: "John",
last_name: "Doe",
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: "USA",
Services: didit.Some([]string{"usa_states_death_check"}),
FirstName: didit.String("John"),
LastName: didit.String("Doe"),
VendorData: didit.String("user-1234"),
})
if err != nil {
log.Fatal(err)
}
fmt.Printf("%+v\n", result)
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("USA")
.services(List.of("usa_states_death_check"))
.firstName("John")
.lastName("Doe")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'USA',
'services' => ['usa_states_death_check'],
'first_name' => 'John',
'last_name' => 'Doe',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "USA",
services: ["usa_states_death_check"],
first_name: "John",
last_name: "Doe",
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 = "USA",
Services = new string[] { "usa_states_death_check" },
FirstName = "John",
LastName = "Doe",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
每次成功调用均返回 HTTP 200。outcome_code 字段说明实际发生的结果,例如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 / 无匹配操作可覆盖该状态。MATCH:登记库确认了身份,且所有已检查字段均匹配。{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "USA",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "usa_states_death_check",
"service_name": "United States of America - United States Death Check (SSDMF)",
"source_data": {
"date_of_birth": "1990-01-01",
"first_name": "John",
"full_name": "John Doe",
"last_name": "Doe",
"name_match_score": "1.000",
"verifications": {
"full_name": true
}
},
"validation": {
"full_name": "full_match"
}
}
]
}
NO_MATCH:登记库未返回与所提交数据匹配的结果。{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "USA",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "usa_states_death_check",
"service_name": "United States of America - United States Death Check (SSDMF)",
"source_data": {
"full_name": "NO_MATCH"
},
"validation": {
"full_name": "no_match"
}
}
]
}
返回数据
source_data 中实际返回的字段取决于登记库的返回内容。usa_states_death_check 的自动生成示例目前记录了以下规范化结构:
date_of_birthfirst_namefull_namelast_namename_match_score
定价与 SLA
美利坚合众国 - United States Death Check (SSDMF) 查询仅在 Didit 从验证来源收到确定结果时计费。- 单次调用价格: $0.06 USD。
- 计费: 按每次成功查询计费。在以下情况不收费:登记库无法访问、缺少必填字段,或请求在到达来源前即被拒绝。
- 延迟: 典型 p95 低于 2 秒。
- 可用性: Didit 侧每季度 99.9%;下游来源的可用性因国家和数据集而异。
延伸阅读
最后修改于 2026年11月7日