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_credit_bureau" \
-F "vendor_data=user-1234" \
-F "first_name=John" \
-F "last_name=Doe" \
-F "date_of_birth=1990-01-01"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="USA",
services=["usa_states_credit_bureau"],
first_name="John",
last_name="Doe",
date_of_birth="1990-01-01",
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_credit_bureau"],
first_name: "John",
last_name: "Doe",
date_of_birth: "1990-01-01",
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_credit_bureau"}),
FirstName: didit.String("John"),
LastName: didit.String("Doe"),
DateOfBirth: didit.String("1990-01-01"),
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("USA")
.services(List.of("usa_states_credit_bureau"))
.firstName("John")
.lastName("Doe")
.dateOfBirth(LocalDate.parse("1990-01-01"))
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'USA',
'services' => ['usa_states_credit_bureau'],
'first_name' => 'John',
'last_name' => 'Doe',
'date_of_birth' => '1990-01-01',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "USA",
services: ["usa_states_credit_bureau"],
first_name: "John",
last_name: "Doe",
date_of_birth: "1990-01-01",
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_credit_bureau" },
FirstName = "John",
LastName = "Doe",
DateOfBirth = "1990-01-01",
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_credit_bureau",
"service_name": "United States of America - United States Credit Bureau",
"source_data": {
"address": "123 Sample Street",
"address_match_score": "1.000",
"city": "Sample City",
"date_of_birth": "1990-01-01",
"first_name": "John",
"full_name": "John Doe",
"last_name": "Doe",
"name_match_score": "1.000",
"postal_code": "10001",
"state": "Sample State",
"street": "sample_value",
"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_credit_bureau",
"service_name": "United States of America - United States Credit Bureau",
"source_data": {
"full_name": "NO_MATCH"
},
"validation": {
"full_name": "no_match"
}
}
]
}
🇺🇸 美国
美国征信局核验 API
美国征信局(United States Credit Bureau)权威数据库查询,通过 Didit 进行,按次计费,单次起价 $0.25,无需合同,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=USA" \
-F "services=usa_states_credit_bureau" \
-F "vendor_data=user-1234" \
-F "first_name=John" \
-F "last_name=Doe" \
-F "date_of_birth=1990-01-01"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="USA",
services=["usa_states_credit_bureau"],
first_name="John",
last_name="Doe",
date_of_birth="1990-01-01",
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_credit_bureau"],
first_name: "John",
last_name: "Doe",
date_of_birth: "1990-01-01",
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_credit_bureau"}),
FirstName: didit.String("John"),
LastName: didit.String("Doe"),
DateOfBirth: didit.String("1990-01-01"),
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("USA")
.services(List.of("usa_states_credit_bureau"))
.firstName("John")
.lastName("Doe")
.dateOfBirth(LocalDate.parse("1990-01-01"))
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'USA',
'services' => ['usa_states_credit_bureau'],
'first_name' => 'John',
'last_name' => 'Doe',
'date_of_birth' => '1990-01-01',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "USA",
services: ["usa_states_credit_bureau"],
first_name: "John",
last_name: "Doe",
date_of_birth: "1990-01-01",
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_credit_bureau" },
FirstName = "John",
LastName = "Doe",
DateOfBirth = "1990-01-01",
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_credit_bureau",
"service_name": "United States of America - United States Credit Bureau",
"source_data": {
"address": "123 Sample Street",
"address_match_score": "1.000",
"city": "Sample City",
"date_of_birth": "1990-01-01",
"first_name": "John",
"full_name": "John Doe",
"last_name": "Doe",
"name_match_score": "1.000",
"postal_code": "10001",
"state": "Sample State",
"street": "sample_value",
"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_credit_bureau",
"service_name": "United States of America - United States Credit Bureau",
"source_data": {
"full_name": "NO_MATCH"
},
"validation": {
"full_name": "no_match"
}
}
]
}
聚合了信用档案头信息及其他服务的综合服务。Didit 通过
POST /v3/database-validation/ 提供此服务,便于您将提交的数据与权威数据源进行核对,并获得标准化的匹配结果。
覆盖范围
- 覆盖范围: ~ 90%
- 国家/地区: 美国
- 服务 ID:
usa_states_credit_bureau - 数据领域: 金融
- 类别: CreditBureau
输入项
| 字段 | 必填 | 示例 |
|---|---|---|
first_name | 是 | John |
last_name | 是 | Doe |
date_of_birth | 否 | 1990-01-01 |
address.street_1 | 否 | 123 Sample Street |
address.street_2 | 否 | Unit 4 |
address.city | 否 | Sample City |
address.region | 否 | Sample State |
address.postal_code | 否 | 10001 |
phone | 否 | +15550101000 |
ssn | 否 | 123456789 |
email | 否 | john.doe@example.com |
vendor_data | 否 | user-1234 |
- 必填输入项:
first_name、last_name - 可选输入项:
date_of_birth、address.street_1、address.street_2、address.city、address.region、address.postal_code、phone、ssn、email、vendor_data - 同意: 无需
- 工作流可用性: 可在工作流中使用
- 覆盖范围: ~ 90%
- 价格: 每次成功查询收费 $0.25
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_credit_bureau"
必填
包含此服务 ID 的数组。固定服务可使请求仅限于该特定数据库。示例:
usa_states_credit_bureaustring
默认值:"John"
必填
需要验证的名字。示例:
Johnstring
默认值:"Doe"
必填
需要验证的姓氏。示例:
Doestring
默认值:"1990-01-01"
采用
YYYY-MM-DD 格式的出生日期。示例:1990-01-01object
结构化的居住地址对象。使用
street_1、street_2、city、region、postal_code 和 country。仍可接受完整的旧式地址字符串,但不推荐使用。示例:{"street_1":"123 Sample Street","street_2":"Unit 4","city":"Sample City","region":"Sample State","postal_code":"10001","country":"US"}string
国际格式的电话号码。示例:
+15550101000string
该数据库服务所需的
ssn 值。示例:123456789string
电子邮箱地址。示例:
john.doe@example.comstring
默认值:"user-1234"
您为该用户设定的稳定用户标识,例如您内部的用户 ID。Didit 利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输入规则与校验说明
- 对于此服务,
address为可选项。您可以发送一个完整的address字符串,Didit 会在可能的情况下将其拆分为结构化地址元素;您也可以直接显式发送结构化字段。 - 美国社会安全号码或 ITIN:完整的 9 位数字(可省略连字符),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(可省略连字符),或仅发送其后 4 位数字。 - 除必填的
first_name和last_name外,还须至少提供date_of_birth、address、phone、ssn或email中的一项。仅包含姓名的请求会在查询提供方之前被拒绝,且不计费;date_of_birth的匹配结果最为可靠。 - 对于地址类服务,应尽可能发送结构化地址字段,而不是单个
address字符串。 address.street_1为街道地址,包括门牌号和街道类型。address.street_2为公寓、房间、楼栋、楼层或其他附加地址行。仅在您有该信息时发送。address.city为城市、郊区、区、地区或社区。address.region为州、省、地区或城镇。address.postal_code为邮政编码。- 基于地址的数据库服务至少需要街道地址和邮政编码;在查询数据源之前被拒绝的请求不计费。
如何调用
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_credit_bureau" \
-F "vendor_data=user-1234" \
-F "first_name=John" \
-F "last_name=Doe" \
-F "date_of_birth=1990-01-01"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="USA",
services=["usa_states_credit_bureau"],
first_name="John",
last_name="Doe",
date_of_birth="1990-01-01",
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_credit_bureau"],
first_name: "John",
last_name: "Doe",
date_of_birth: "1990-01-01",
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_credit_bureau"}),
FirstName: didit.String("John"),
LastName: didit.String("Doe"),
DateOfBirth: didit.String("1990-01-01"),
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("USA")
.services(List.of("usa_states_credit_bureau"))
.firstName("John")
.lastName("Doe")
.dateOfBirth(LocalDate.parse("1990-01-01"))
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'USA',
'services' => ['usa_states_credit_bureau'],
'first_name' => 'John',
'last_name' => 'Doe',
'date_of_birth' => '1990-01-01',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "USA",
services: ["usa_states_credit_bureau"],
first_name: "John",
last_name: "Doe",
date_of_birth: "1990-01-01",
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_credit_bureau" },
FirstName = "John",
LastName = "Doe",
DateOfBirth = "1990-01-01",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
每次成功调用都会返回 HTTP 200。outcome_code 字段会告诉您实际发生了什么,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 / 无匹配操作可以覆盖它。MATCH:登记机构已确认身份,且所有检查的字段均匹配。{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "USA",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "usa_states_credit_bureau",
"service_name": "United States of America - United States Credit Bureau",
"source_data": {
"address": "123 Sample Street",
"address_match_score": "1.000",
"city": "Sample City",
"date_of_birth": "1990-01-01",
"first_name": "John",
"full_name": "John Doe",
"last_name": "Doe",
"name_match_score": "1.000",
"postal_code": "10001",
"state": "Sample State",
"street": "sample_value",
"verifications": {
"full_name": true
}
},
"validation": {
"full_name": "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": "USA",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "usa_states_credit_bureau",
"service_name": "United States of America - United States Credit Bureau",
"source_data": {
"full_name": "NO_MATCH"
},
"validation": {
"full_name": "no_match"
}
}
]
}
返回数据
source_data 中实际呈现的字段取决于登记机构返回的内容。为 usa_states_credit_bureau 生成的示例目前记录了以下标准化结构:
addressaddress_match_scorecitydate_of_birthfirst_namefull_namelast_namename_match_scorepostal_codestatestreet
定价与 SLA
美国 - 美国信用局查询仅在 Didit 从验证数据源收到确定性结果时计费。- 单次调用价格: $0.25 USD。
- 计费方式: 按每次成功查询计费。当登记机构无法访问、缺少必填字段,或请求在到达数据源之前即被拒绝时,您无需付费。
- 延迟: 典型 p95 低于 2 秒。
- 可用性: Didit 侧每季度 99.9%;下游数据源的可用性因国家和数据集而异。
继续阅读
最后修改于 2026年11月7日