Free web checker
For quick individual checks
- Unlimited single web checks
- No sign-up
- Instant results
- No ID storage
Free South African ID Number Checker
Validate ID numbers instantly: quick and free.
Verify validity, date of birth, age, and gender.
4,600+ monthly users · 815k+ validations · Operating since 2017
Need this in your software?
API access from R99/month · 1,000 ID validations
Trusted by South African businesses
“We love checkid. It simplifies our work day, it's fast and easy to use. Happy customers!”
“We use CheckID at Limpopo CoLab, University of Limpopo, to verify participants undertaking our various training deliverables. The platform has been reliable and effective in confirming South African ID validity, and using it has significantly strengthened our verification and compliance processes.”
What CheckID does
ID structure validity
Catch invalid or mistyped 13-digit SA ID numbers.
Date of birth & age
Decode the DOB and calculate current age.
Gender & citizenship indicator
Read the information encoded in the SA ID number.
Privacy-first processing
IDs are processed in memory and are not stored.
Use CheckID your way
API & business workflows
For applications and automated validation
- REST API
- 1,000 production checks from R99/month
- Bulk validation on Professional
- Developer documentation
- 5-minute quick start
Industry solutions
Who uses CheckID
Built for South African businesses that need fast, private ID-number checks.
Property management
Validate tenant and buyer ID numbers before they enter your property workflow.
Bulk ID validation for property managersHR & recruitment
Catch incorrectly captured candidate ID numbers before payroll, screening or onboarding.
South African ID validation for recruitment teamsHealthcare
Validate patient ID numbers during registration while minimising unnecessary data retention.
POPIA-aware patient ID validationFinancial services
Catch invalid ID formats before data enters onboarding and verification workflows.
Structural ID checks for financial servicesBetting & gaming
Confirm encoded age from an SA ID number before accepting a deposit or creating an account.
Age checks from SA ID numbers for betting operators- Yes. ID numbers are sent over TLS, processed in memory on our servers, and not stored, logged, or retained. Single web checks are unlimited and do not require an account. We do not send ID numbers to analytics or error-tracking tools.
- No. CheckID performs structural validation only. We confirm format, checksum, and the information encoded in the number itself. We do not query Home Affairs, credit bureaus, or any database to confirm who an ID belongs to.
- You will see whether the number is structurally valid, plus the encoded birth date, age, gender, and citizenship indicator. We cannot tell you who the ID belongs to or whether Home Affairs issued that number to someone.
- Yes. A free test API key is available for development. API Starter includes 1,000 single production calls per month; Professional and Business add bulk API access and team features. See the developers guide or 5-minute integration tutorial for details.
- Yes. Paid plans are billed monthly and you can cancel through your billing portal at any time. Single checks on the web remain free without a subscription.