curl -X POST "https://verification.didit.me/v3/database-validation/" \
-H "x-api-key: YOUR_API_KEY" \
-F "issuing_state=PER" \
-F "services=per_dni" \
-F "vendor_data=user-1234" \
-F "personal_number=11111111"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="PER",
services=["per_dni"],
personal_number="11111111",
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: "PER",
services: ["per_dni"],
personal_number: "11111111",
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: "PER",
Services: didit.Some([]string{"per_dni"}),
PersonalNumber: didit.String("11111111"),
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("PER")
.services(List.of("per_dni"))
.personalNumber("11111111")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'PER',
'services' => ['per_dni'],
'personal_number' => '11111111',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "PER",
services: ["per_dni"],
personal_number: "11111111",
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 = "PER",
Services = new string[] { "per_dni" },
PersonalNumber = "11111111",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "PER",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "per_dni",
"service_name": "Peru - DNI verification",
"source_data": {
"first_name": "John",
"identification_number": "SAMPLE-ID-12345",
"last_name": "Doe",
"maternal_name": "Doe Maternal",
"paternal_name": "Doe Paternal",
"verification_letter": "G",
"verification_number": 2
},
"validation": {
"identification_number": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "PER",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "per_dni",
"service_name": "Peru - DNI verification",
"source_data": {
"identification_number": "NO_MATCH"
},
"validation": {
"identification_number": "no_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "PER",
"match_type": "no_match",
"validations": [
{
"outcome_code": "DOCUMENT_NOT_FOUND",
"service_id": "per_dni",
"service_name": "Peru - DNI verification",
"source_data": {
"identification_number": "NO_MATCH"
},
"validation": {
"identification_number": "no_match"
}
}
]
}
🇵🇪 Peru
Peru - DNI verification API: Real-Time ID Lookup
Peru - DNI verification: authoritative Peru database validation via Didit’s identity infrastructure. Pay-per-call from $0.20, 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=PER" \
-F "services=per_dni" \
-F "vendor_data=user-1234" \
-F "personal_number=11111111"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="PER",
services=["per_dni"],
personal_number="11111111",
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: "PER",
services: ["per_dni"],
personal_number: "11111111",
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: "PER",
Services: didit.Some([]string{"per_dni"}),
PersonalNumber: didit.String("11111111"),
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("PER")
.services(List.of("per_dni"))
.personalNumber("11111111")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'PER',
'services' => ['per_dni'],
'personal_number' => '11111111',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "PER",
services: ["per_dni"],
personal_number: "11111111",
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 = "PER",
Services = new string[] { "per_dni" },
PersonalNumber = "11111111",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "PER",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "per_dni",
"service_name": "Peru - DNI verification",
"source_data": {
"first_name": "John",
"identification_number": "SAMPLE-ID-12345",
"last_name": "Doe",
"maternal_name": "Doe Maternal",
"paternal_name": "Doe Paternal",
"verification_letter": "G",
"verification_number": 2
},
"validation": {
"identification_number": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "PER",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "per_dni",
"service_name": "Peru - DNI verification",
"source_data": {
"identification_number": "NO_MATCH"
},
"validation": {
"identification_number": "no_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "PER",
"match_type": "no_match",
"validations": [
{
"outcome_code": "DOCUMENT_NOT_FOUND",
"service_id": "per_dni",
"service_name": "Peru - DNI verification",
"source_data": {
"identification_number": "NO_MATCH"
},
"validation": {
"identification_number": "no_match"
}
}
]
}
Verifies Peruvian DNI against the RENIEC civil registry. 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: —
- Country: Peru
- Service ID:
per_dni - Data domain: Identity
- Category: NationalIDRegistry
Inputs
| Field | Required | Example |
|---|---|---|
personal_number | Yes | 11111111 |
first_name | No | John |
last_name | No | Doe |
vendor_data | No | user-1234 |
- Required inputs:
personal_number - Optional inputs:
first_name,last_name,vendor_data - Consent: Not required
- Workflow availability: Available in workflow
- Coverage: —
- Price: $0.20 per successful query
Body parameters
string
default:"PER"
required
ISO 3166-1 alpha-3 country code for this database service.Example:
PERstring
default:"per_dni"
required
Array containing this service ID. Pinning the service keeps the request scoped to this exact database.Example:
per_dnistring
default:"11111111"
required
Country-specific personal identity number.Example:
11111111string
Given name to validate.Example:
Johnstring
Family name to validate.Example:
Doestring
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
- Peruvian DNI (exactly 8 digits)
personal_numbermust contain digits only; remove spaces, hyphens, and punctuation before sending the request.personal_numbermust be exactly 8 characters long.
How to call it
curl -X POST "https://verification.didit.me/v3/database-validation/" \
-H "x-api-key: YOUR_API_KEY" \
-F "issuing_state=PER" \
-F "services=per_dni" \
-F "vendor_data=user-1234" \
-F "personal_number=11111111"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="PER",
services=["per_dni"],
personal_number="11111111",
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: "PER",
services: ["per_dni"],
personal_number: "11111111",
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: "PER",
Services: didit.Some([]string{"per_dni"}),
PersonalNumber: didit.String("11111111"),
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("PER")
.services(List.of("per_dni"))
.personalNumber("11111111")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'PER',
'services' => ['per_dni'],
'personal_number' => '11111111',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "PER",
services: ["per_dni"],
personal_number: "11111111",
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 = "PER",
Services = new string[] { "per_dni" },
PersonalNumber = "11111111",
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": "PER",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "per_dni",
"service_name": "Peru - DNI verification",
"source_data": {
"first_name": "John",
"identification_number": "SAMPLE-ID-12345",
"last_name": "Doe",
"maternal_name": "Doe Maternal",
"paternal_name": "Doe Paternal",
"verification_letter": "G",
"verification_number": 2
},
"validation": {
"identification_number": "full_match"
}
}
]
}
NO_MATCH — The registry returned no match for the submitted data.{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "PER",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "per_dni",
"service_name": "Peru - DNI verification",
"source_data": {
"identification_number": "NO_MATCH"
},
"validation": {
"identification_number": "no_match"
}
}
]
}
DOCUMENT_NOT_FOUND — The submitted document number does not correspond to any record in the registry.{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "PER",
"match_type": "no_match",
"validations": [
{
"outcome_code": "DOCUMENT_NOT_FOUND",
"service_id": "per_dni",
"service_name": "Peru - DNI verification",
"source_data": {
"identification_number": "NO_MATCH"
},
"validation": {
"identification_number": "no_match"
}
}
]
}
Returned data
The exact fields surfaced insource_data depend on what the registry returns. The generated example for per_dni currently documents this normalized shape:
first_nameidentification_numberlast_namematernal_namepaternal_nameverification_letterverification_number
Pricing & SLAs
Peru - DNI verification queries are billed only when Didit receives a conclusive result from the validation source.- Per-call price: $0.20 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