curl -X POST "https://verification.didit.me/v3/database-validation/" \
-H "x-api-key: YOUR_API_KEY" \
-F "issuing_state=AUS" \
-F "services=aus_change_of_name_certificate" \
-F "vendor_data=user-1234" \
-F "consent=true" \
-F "first_name=John" \
-F "last_name=Doe" \
-F "date_of_birth=1990-01-01" \
-F "change_of_name_certificate_number=SAMPLE-CON-12345"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="AUS",
services=["aus_change_of_name_certificate"],
consent=True,
first_name="John",
last_name="Doe",
date_of_birth="1990-01-01",
change_of_name_certificate_number="SAMPLE-CON-12345",
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: "AUS",
services: ["aus_change_of_name_certificate"],
consent: true,
first_name: "John",
last_name: "Doe",
date_of_birth: "1990-01-01",
change_of_name_certificate_number: "SAMPLE-CON-12345",
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: "AUS",
Services: didit.Some([]string{"aus_change_of_name_certificate"}),
Consent: didit.Bool(true),
FirstName: didit.String("John"),
LastName: didit.String("Doe"),
DateOfBirth: didit.String("1990-01-01"),
ChangeOfNameCertificateNumber: didit.String("SAMPLE-CON-12345"),
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("AUS")
.services(List.of("aus_change_of_name_certificate"))
.consent(true)
.firstName("John")
.lastName("Doe")
.dateOfBirth(LocalDate.parse("1990-01-01"))
.changeOfNameCertificateNumber("SAMPLE-CON-12345")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'AUS',
'services' => ['aus_change_of_name_certificate'],
'consent' => true,
'first_name' => 'John',
'last_name' => 'Doe',
'date_of_birth' => '1990-01-01',
'change_of_name_certificate_number' => 'SAMPLE-CON-12345',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "AUS",
services: ["aus_change_of_name_certificate"],
consent: true,
first_name: "John",
last_name: "Doe",
date_of_birth: "1990-01-01",
change_of_name_certificate_number: "SAMPLE-CON-12345",
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 = "AUS",
Services = new string[] { "aus_change_of_name_certificate" },
Consent = true,
FirstName = "John",
LastName = "Doe",
DateOfBirth = "1990-01-01",
ChangeOfNameCertificateNumber = "SAMPLE-CON-12345",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "AUS",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "aus_change_of_name_certificate",
"service_name": "Australia - DVS – Change of Name Certificate",
"source_data": {
"date_of_birth": "1990-01-01",
"first_name": "John",
"identification_number": "SAMPLE-ID-12345",
"last_name": "Doe"
},
"validation": {
"date_of_birth": "full_match",
"full_name": "full_match",
"identification_number": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "In Review",
"issuing_state": "AUS",
"match_type": "partial_match",
"validations": [
{
"outcome_code": "PARTIAL_MATCH",
"service_id": "aus_change_of_name_certificate",
"service_name": "Australia - DVS – Change of Name Certificate",
"source_data": {
"date_of_birth": "1990-01-01",
"first_name": "John",
"identification_number": "SAMPLE-ID-12345",
"last_name": "Doe"
},
"validation": {
"date_of_birth": "full_match",
"full_name": "no_match",
"identification_number": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "AUS",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "aus_change_of_name_certificate",
"service_name": "Australia - DVS – Change of Name Certificate",
"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"
}
}
]
}
🇦🇺 Australia
Australia - DVS – Change of Name Certificate API
Australia - DVS – Change of Name Certificate: authoritative Australia database lookup via Didit. Pay-per-call from $0.75, no contracts, no minimums.
POST
/
v3
/
database-validation
/
curl -X POST "https://verification.didit.me/v3/database-validation/" \
-H "x-api-key: YOUR_API_KEY" \
-F "issuing_state=AUS" \
-F "services=aus_change_of_name_certificate" \
-F "vendor_data=user-1234" \
-F "consent=true" \
-F "first_name=John" \
-F "last_name=Doe" \
-F "date_of_birth=1990-01-01" \
-F "change_of_name_certificate_number=SAMPLE-CON-12345"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="AUS",
services=["aus_change_of_name_certificate"],
consent=True,
first_name="John",
last_name="Doe",
date_of_birth="1990-01-01",
change_of_name_certificate_number="SAMPLE-CON-12345",
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: "AUS",
services: ["aus_change_of_name_certificate"],
consent: true,
first_name: "John",
last_name: "Doe",
date_of_birth: "1990-01-01",
change_of_name_certificate_number: "SAMPLE-CON-12345",
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: "AUS",
Services: didit.Some([]string{"aus_change_of_name_certificate"}),
Consent: didit.Bool(true),
FirstName: didit.String("John"),
LastName: didit.String("Doe"),
DateOfBirth: didit.String("1990-01-01"),
ChangeOfNameCertificateNumber: didit.String("SAMPLE-CON-12345"),
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("AUS")
.services(List.of("aus_change_of_name_certificate"))
.consent(true)
.firstName("John")
.lastName("Doe")
.dateOfBirth(LocalDate.parse("1990-01-01"))
.changeOfNameCertificateNumber("SAMPLE-CON-12345")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'AUS',
'services' => ['aus_change_of_name_certificate'],
'consent' => true,
'first_name' => 'John',
'last_name' => 'Doe',
'date_of_birth' => '1990-01-01',
'change_of_name_certificate_number' => 'SAMPLE-CON-12345',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "AUS",
services: ["aus_change_of_name_certificate"],
consent: true,
first_name: "John",
last_name: "Doe",
date_of_birth: "1990-01-01",
change_of_name_certificate_number: "SAMPLE-CON-12345",
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 = "AUS",
Services = new string[] { "aus_change_of_name_certificate" },
Consent = true,
FirstName = "John",
LastName = "Doe",
DateOfBirth = "1990-01-01",
ChangeOfNameCertificateNumber = "SAMPLE-CON-12345",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "AUS",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "aus_change_of_name_certificate",
"service_name": "Australia - DVS – Change of Name Certificate",
"source_data": {
"date_of_birth": "1990-01-01",
"first_name": "John",
"identification_number": "SAMPLE-ID-12345",
"last_name": "Doe"
},
"validation": {
"date_of_birth": "full_match",
"full_name": "full_match",
"identification_number": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "In Review",
"issuing_state": "AUS",
"match_type": "partial_match",
"validations": [
{
"outcome_code": "PARTIAL_MATCH",
"service_id": "aus_change_of_name_certificate",
"service_name": "Australia - DVS – Change of Name Certificate",
"source_data": {
"date_of_birth": "1990-01-01",
"first_name": "John",
"identification_number": "SAMPLE-ID-12345",
"last_name": "Doe"
},
"validation": {
"date_of_birth": "full_match",
"full_name": "no_match",
"identification_number": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "AUS",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "aus_change_of_name_certificate",
"service_name": "Australia - DVS – Change of Name Certificate",
"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"
}
}
]
}
Verifies input data against the Document Verification Service (DVS). Didit exposes this service through
POST /v3/database-validation/ so you can verify the submitted data against the authoritative source and receive normalized match results.
Coverage
- Coverage: 100%*
- Country: Australia
- Service ID:
aus_change_of_name_certificate - Data domain: Identity
- Category: CivilRegistry
Inputs
| Field | Required | Example |
|---|---|---|
first_name | Yes | John |
last_name | Yes | Doe |
date_of_birth | Yes | 1990-01-01 |
change_of_name_certificate_number | Yes | SAMPLE-CON-12345 |
vendor_data | No | user-1234 |
- Required inputs:
first_name,last_name,date_of_birth,change_of_name_certificate_number - Optional inputs:
vendor_data - Consent: Required
- Workflow availability: Available in workflow with field mapping
- Coverage: 100%*
- Price: $0.75 per successful query
change_of_name_certificate_number is not printed on an identity document, so no step produces it on its own. Collect it from a Questionnaire answer, a Document AI extraction field, or a value you send when you create the session, and map it on the Database Validation step. Until it is mapped the workflow editor shows this service disabled and names the missing input; at run time a missing input means the check is skipped before any query, so you are never billed for a database that could not be asked.
Body parameters
string
default:"AUS"
required
ISO 3166-1 alpha-3 country code for this database service.Example:
AUSstring
default:"aus_change_of_name_certificate"
required
Array containing this service ID. Pinning the service keeps the request scoped to this exact database.Example:
aus_change_of_name_certificateboolean
default:"true"
required
Explicit end-user consent for this service.Example:
truestring
default:"John"
required
Given name to validate.Example:
Johnstring
default:"Doe"
required
Family name to validate.Example:
Doestring
default:"1990-01-01"
required
Date of birth in
YYYY-MM-DD format.Example: 1990-01-01string
default:"SAMPLE-CON-12345"
required
change_of_name_certificate_number value required by this database service.Example: SAMPLE-CON-12345string
default:"user-1234"
Your stable user reference for this person, such as your internal user ID. Didit uses it to link standalone checks to the same end user and reduce duplicate-detection noise.Example:
user-1234Input rules & validation notes
- Send the fields listed above exactly as captured from the user or document.
- Didit validates required fields before calling the database. Requests rejected before source lookup are not charged.
How to call it
curl -X POST "https://verification.didit.me/v3/database-validation/" \
-H "x-api-key: YOUR_API_KEY" \
-F "issuing_state=AUS" \
-F "services=aus_change_of_name_certificate" \
-F "vendor_data=user-1234" \
-F "consent=true" \
-F "first_name=John" \
-F "last_name=Doe" \
-F "date_of_birth=1990-01-01" \
-F "change_of_name_certificate_number=SAMPLE-CON-12345"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="AUS",
services=["aus_change_of_name_certificate"],
consent=True,
first_name="John",
last_name="Doe",
date_of_birth="1990-01-01",
change_of_name_certificate_number="SAMPLE-CON-12345",
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: "AUS",
services: ["aus_change_of_name_certificate"],
consent: true,
first_name: "John",
last_name: "Doe",
date_of_birth: "1990-01-01",
change_of_name_certificate_number: "SAMPLE-CON-12345",
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: "AUS",
Services: didit.Some([]string{"aus_change_of_name_certificate"}),
Consent: didit.Bool(true),
FirstName: didit.String("John"),
LastName: didit.String("Doe"),
DateOfBirth: didit.String("1990-01-01"),
ChangeOfNameCertificateNumber: didit.String("SAMPLE-CON-12345"),
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("AUS")
.services(List.of("aus_change_of_name_certificate"))
.consent(true)
.firstName("John")
.lastName("Doe")
.dateOfBirth(LocalDate.parse("1990-01-01"))
.changeOfNameCertificateNumber("SAMPLE-CON-12345")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'AUS',
'services' => ['aus_change_of_name_certificate'],
'consent' => true,
'first_name' => 'John',
'last_name' => 'Doe',
'date_of_birth' => '1990-01-01',
'change_of_name_certificate_number' => 'SAMPLE-CON-12345',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "AUS",
services: ["aus_change_of_name_certificate"],
consent: true,
first_name: "John",
last_name: "Doe",
date_of_birth: "1990-01-01",
change_of_name_certificate_number: "SAMPLE-CON-12345",
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 = "AUS",
Services = new string[] { "aus_change_of_name_certificate" },
Consent = true,
FirstName = "John",
LastName = "Doe",
DateOfBirth = "1990-01-01",
ChangeOfNameCertificateNumber = "SAMPLE-CON-12345",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
Every successful call returns HTTP 200. The outcome_code field tells you what actually happened — distinguishing, for example, a real biometric mismatch (BIOMETRIC_NO_MATCH) from a selfie that could not be read (BIOMETRIC_IMAGE_UNUSABLE). The status shown is the default feature status; your configured Partial Match / No Match actions can override it.MATCH — The registry confirmed the identity and every checked field matched.{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "AUS",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "aus_change_of_name_certificate",
"service_name": "Australia - DVS – Change of Name Certificate",
"source_data": {
"date_of_birth": "1990-01-01",
"first_name": "John",
"identification_number": "SAMPLE-ID-12345",
"last_name": "Doe"
},
"validation": {
"date_of_birth": "full_match",
"full_name": "full_match",
"identification_number": "full_match"
}
}
]
}
PARTIAL_MATCH — The identification number was found but one or more personal fields (usually name or date of birth) did not fully match.{
"request_id": "req_01H…",
"status": "In Review",
"issuing_state": "AUS",
"match_type": "partial_match",
"validations": [
{
"outcome_code": "PARTIAL_MATCH",
"service_id": "aus_change_of_name_certificate",
"service_name": "Australia - DVS – Change of Name Certificate",
"source_data": {
"date_of_birth": "1990-01-01",
"first_name": "John",
"identification_number": "SAMPLE-ID-12345",
"last_name": "Doe"
},
"validation": {
"date_of_birth": "full_match",
"full_name": "no_match",
"identification_number": "full_match"
}
}
]
}
NO_MATCH — The registry returned no match for the submitted data.{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "AUS",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "aus_change_of_name_certificate",
"service_name": "Australia - DVS – Change of Name Certificate",
"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"
}
}
]
}
Returned data
The exact fields surfaced insource_data depend on what the registry returns. The generated example for aus_change_of_name_certificate currently documents this normalized shape:
date_of_birthfirst_nameidentification_numberlast_name
Pricing & SLAs
Australia - DVS – Change of Name Certificate queries are billed only when Didit receives a conclusive result from the validation source.- Per-call price: $0.75 USD.
- Billing: per successful query. You are not charged when the registry is unreachable, when required fields are missing, or when the request is rejected before reaching the source.
- Latency: typical p95 < 2 s.
- Availability: 99.9% per quarter on Didit’s side; downstream source availability varies by country and dataset.
Continue reading
Last modified on October 29, 2026