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POST
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

  • Required inputs: national_id
  • Optional inputs: vendor_data
  • Consent: Required
  • Workflow availability: Available in workflow
  • Coverage: —
  • Price: $0.35 per successful query

Body parameters

string
default:"ZAF"
required
ISO 3166-1 alpha-3 country code for this database service.Example: ZAF
string
default:"zaf_contactability"
required
Array containing this service ID. Pinning the service keeps the request scoped to this exact database.Example: zaf_contactability
Explicit end-user consent for this service.Example: true
string
default:"1111111111111"
required
National identity number for this service.Example: 1111111111111
string
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-1234

Input rules & validation notes

  • South African ID number (13 digits, the last one a Luhn check digit)
  • national_id must contain digits only; remove spaces, hyphens, and punctuation before sending the request.
  • national_id must be exactly 13 characters long.

How to call it

Returned data

The exact fields surfaced in source_data depend on what the registry returns. The generated example for zaf_contactability currently documents this normalized shape:
  • contact_email
  • contact_phone_numbers
  • date_of_birth
  • deceased
  • first_name
  • gender
  • identification_number
  • last_name
  • phone_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.

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Last modified on November 8, 2026