curl -X POST "https://verification.didit.me/v3/database-validation/" \
-H "x-api-key: YOUR_API_KEY" \
-F "issuing_state=ZAF" \
-F "services=zaf_contactability" \
-F "vendor_data=user-1234" \
-F "consent=true" \
-F "national_id=1111111111111"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="ZAF",
services=["zaf_contactability"],
consent=True,
national_id="1111111111111",
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: "ZAF",
services: ["zaf_contactability"],
consent: true,
national_id: "1111111111111",
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: "ZAF",
Services: didit.Some([]string{"zaf_contactability"}),
Consent: didit.Bool(true),
NationalID: didit.String("1111111111111"),
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("ZAF")
.services(List.of("zaf_contactability"))
.consent(true)
.nationalId("1111111111111")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'ZAF',
'services' => ['zaf_contactability'],
'consent' => true,
'national_id' => '1111111111111',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "ZAF",
services: ["zaf_contactability"],
consent: true,
national_id: "1111111111111",
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 = "ZAF",
Services = new string[] { "zaf_contactability" },
Consent = true,
NationalId = "1111111111111",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "ZAF",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "zaf_contactability",
"service_name": "South Africa - Contactability Lookup",
"source_data": {
"contact_email": "alex.sample@example.com",
"contact_phone_numbers": "+15550101000",
"date_of_birth": "1990-01-01",
"deceased": "sample_value",
"first_name": "John",
"gender": "M",
"identification_number": "SAMPLE-ID-12345",
"last_name": "Doe",
"phone_history_count": "+15550101000"
},
"validation": {
"identification_number": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "ZAF",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "zaf_contactability",
"service_name": "South Africa - Contactability Lookup",
"source_data": {
"identification_number": "NO_MATCH"
},
"validation": {
"identification_number": "no_match"
}
}
]
}
🇿🇦 South Africa
South Africa - Contactability Lookup API: ID Match
South Africa - Contactability Lookup: authoritative South Africa database lookup via Didit. Pay-per-call from $0.35, 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=ZAF" \
-F "services=zaf_contactability" \
-F "vendor_data=user-1234" \
-F "consent=true" \
-F "national_id=1111111111111"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="ZAF",
services=["zaf_contactability"],
consent=True,
national_id="1111111111111",
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: "ZAF",
services: ["zaf_contactability"],
consent: true,
national_id: "1111111111111",
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: "ZAF",
Services: didit.Some([]string{"zaf_contactability"}),
Consent: didit.Bool(true),
NationalID: didit.String("1111111111111"),
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("ZAF")
.services(List.of("zaf_contactability"))
.consent(true)
.nationalId("1111111111111")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'ZAF',
'services' => ['zaf_contactability'],
'consent' => true,
'national_id' => '1111111111111',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "ZAF",
services: ["zaf_contactability"],
consent: true,
national_id: "1111111111111",
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 = "ZAF",
Services = new string[] { "zaf_contactability" },
Consent = true,
NationalId = "1111111111111",
VendorData = "user-1234",
});
Console.WriteLine(JsonSerializer.Serialize(result));
{
"request_id": "req_01H…",
"status": "Approved",
"issuing_state": "ZAF",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "zaf_contactability",
"service_name": "South Africa - Contactability Lookup",
"source_data": {
"contact_email": "alex.sample@example.com",
"contact_phone_numbers": "+15550101000",
"date_of_birth": "1990-01-01",
"deceased": "sample_value",
"first_name": "John",
"gender": "M",
"identification_number": "SAMPLE-ID-12345",
"last_name": "Doe",
"phone_history_count": "+15550101000"
},
"validation": {
"identification_number": "full_match"
}
}
]
}
{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "ZAF",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "zaf_contactability",
"service_name": "South Africa - Contactability Lookup",
"source_data": {
"identification_number": "NO_MATCH"
},
"validation": {
"identification_number": "no_match"
}
}
]
}
Returns known phone numbers, emails, and addresses tied to a South African individual. 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. Input format: national_id takes the South African ID number (13 digits, the last one a Luhn check digit).
Coverage
- Coverage: —
- Country: South Africa
- Service ID:
zaf_contactability - Data domain: Telecom
- Category: Telecom
Inputs
| Field | Required | Example |
|---|---|---|
national_id | Yes | 1111111111111 |
vendor_data | No | user-1234 |
- Required inputs:
national_id - Optional inputs:
vendor_data - Consent: Required
- Workflow availability: Available in workflow
- Coverage: —
- Price: $0.35 per successful query
Body parameters
Array containing this service ID. Pinning the service keeps the request scoped to this exact database.Example:
zaf_contactabilityNational identity number for this service.Example:
1111111111111Your 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
- South African ID number (13 digits, the last one a Luhn check digit)
national_idmust contain digits only; remove spaces, hyphens, and punctuation before sending the request.national_idmust be exactly 13 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=ZAF" \
-F "services=zaf_contactability" \
-F "vendor_data=user-1234" \
-F "consent=true" \
-F "national_id=1111111111111"
from didit import Didit
# Reads DIDIT_API_KEY.
client = Didit()
result = client.database_validation.validate(
issuing_state="ZAF",
services=["zaf_contactability"],
consent=True,
national_id="1111111111111",
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: "ZAF",
services: ["zaf_contactability"],
consent: true,
national_id: "1111111111111",
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: "ZAF",
Services: didit.Some([]string{"zaf_contactability"}),
Consent: didit.Bool(true),
NationalID: didit.String("1111111111111"),
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("ZAF")
.services(List.of("zaf_contactability"))
.consent(true)
.nationalId("1111111111111")
.vendorData("user-1234")
.build());
System.out.println(result);
<?php
require 'vendor/autoload.php';
use Didit\DiditClient;
// Reads DIDIT_API_KEY.
$didit = new DiditClient();
$result = $didit->databaseValidation->validate([
'issuing_state' => 'ZAF',
'services' => ['zaf_contactability'],
'consent' => true,
'national_id' => '1111111111111',
'vendor_data' => 'user-1234',
]);
print_r($result->toArray());
require "didit"
# Reads DIDIT_API_KEY.
didit = Didit::Client.new
result = didit.database_validation.validate(
issuing_state: "ZAF",
services: ["zaf_contactability"],
consent: true,
national_id: "1111111111111",
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 = "ZAF",
Services = new string[] { "zaf_contactability" },
Consent = true,
NationalId = "1111111111111",
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": "ZAF",
"match_type": "full_match",
"validations": [
{
"outcome_code": "MATCH",
"service_id": "zaf_contactability",
"service_name": "South Africa - Contactability Lookup",
"source_data": {
"contact_email": "alex.sample@example.com",
"contact_phone_numbers": "+15550101000",
"date_of_birth": "1990-01-01",
"deceased": "sample_value",
"first_name": "John",
"gender": "M",
"identification_number": "SAMPLE-ID-12345",
"last_name": "Doe",
"phone_history_count": "+15550101000"
},
"validation": {
"identification_number": "full_match"
}
}
]
}
NO_MATCH — The registry returned no match for the submitted data.{
"request_id": "req_01H…",
"status": "Declined",
"issuing_state": "ZAF",
"match_type": "no_match",
"validations": [
{
"outcome_code": "NO_MATCH",
"service_id": "zaf_contactability",
"service_name": "South Africa - Contactability Lookup",
"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 zaf_contactability currently documents this normalized shape:
contact_emailcontact_phone_numbersdate_of_birthdeceasedfirst_namegenderidentification_numberlast_namephone_history_count
Pricing & SLAs
South Africa - Contactability Lookup queries are billed only when Didit receives a conclusive result from the validation source.- Per-call price: $0.35 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 November 8, 2026