Middle East • ISO TR
Verify Turkey companies via API
Know Your Customer Limited verifies Turkey companies live from the Türkiye Ticaret Sicili Gazetesi | TOBB, returning company data, controlling parties, shareholders and beneficial owners, and registry documents, with AML screening and ongoing monitoring. Free sandbox available.
What the API returns for Turkey
When you create a KYB case for a Turkey company, Know Your Customer Limited retrieves data live from the Türkiye Ticaret Sicili Gazetesi | TOBB. A single integration returns the company record, the controlling parties and individuals, the shareholders and beneficial owners, and the registry documents, with AML screening on the entity and its associated individuals built into the same case.
Turkey data and document availability
What the API makes available for Turkey companies:
| Category | Available |
|---|---|
| Company data | Entity Name, Registration Number, Address, Other Identifiers, Registration Date, Capital, Activity Type, Previous Names |
| Controlling entities & individuals | Name, Role |
| Shareholders & beneficial owners | Name, Role, Share count |
| Documents | Retrieved by default: Registry Extract Available on demand: None beyond the default set |
AML, sanctions, and PEP screening on the entity and its associated individuals, and ongoing live monitoring with change alerts, are available for Turkey as part of the same case.
How to verify a Turkey company via API
The following example shows the complete flow: authenticate, search the Turkey registry, create a KYB case, and retrieve company data and the ownership org-chart. All calls go to the sandbox base URL for testing.
The sandbox at https://api.knowyourcustomer.dev is free. Request access to get your client credentials.
# 1. Authenticate (OAuth2 client credentials)
curl -X POST https://api.knowyourcustomer.dev/connect/token \
-d "grant_type=client_credentials" \
-d "client_id=YOUR_CLIENT_ID" \
-d "client_secret=YOUR_CLIENT_SECRET" \
-d "scope=PublicApi"
# 2. Search the Turkey registry
curl -X POST https://api.knowyourcustomer.dev/v2/Companies/search \
-H "Authorization: Bearer $TOKEN" \
-H "Content-Type: application/json" \
-d '{"name":"Turkey National Bank","codeiso31662":"TR"}'
# 3. Create a KYB case
curl -X POST https://api.knowyourcustomer.dev/v2/Companies \
-H "Authorization: Bearer $TOKEN" \
-H "Content-Type: application/json" \
-d '{"rawname":"Turkey National Bank","codeiso31662":"TR"}'
# 4. Retrieve company data and status
curl https://api.knowyourcustomer.dev/v2/Companies/CASE_ID \
-H "Authorization: Bearer $TOKEN"
# 5. Get the beneficial ownership org-chart
curl https://api.knowyourcustomer.dev/v2/Companies/CASE_ID/org-chart \
-H "Authorization: Bearer $TOKEN"
Replace YOUR_CLIENT_ID and YOUR_CLIENT_SECRET with your sandbox credentials, and CASE_ID with the caseCommonId returned in step 3.
Frequently asked questions about the Turkey KYB API
What company data can I verify in Turkey?
For a Turkey company, the API returns the company record read live from the Türkiye Ticaret Sicili Gazetesi | TOBB: the entity name, type, status, registration number, address, and registration date, along with the controlling parties, the shareholders and beneficial owners, and the available registry documents. See the table above for the full Turkey availability.
Does the API return beneficial ownership (UBO) data for Turkey companies?
The API resolves the controlling parties, shareholders, and beneficial owners for Turkey companies and exposes them as a recursive ownership org-chart (GET /v2/Companies/{caseCommonId}/org-chart), tracing control through holding companies to the individual beneficial owners. The depth available depends on what the Türkiye Ticaret Sicili Gazetesi | TOBB discloses. See the UBO API.
Can I retrieve official registry documents for Turkey companies?
Yes. The default document set for Turkey includes Registry Extract, retrieved by default. List and download them with the documents endpoint (GET /v2/Companies/{caseCommonId}/documents).
Is there a free sandbox for testing Turkey company verification?
Yes. The Know Your Customer sandbox at https://api.knowyourcustomer.dev is a free, high-fidelity test environment. Request free sandbox access to start testing.
The Know Your Customer Limited API covers 147 jurisdictions worldwide, including Turkey. One integration, one set of credentials, one response schema across all markets. Browse all covered jurisdictions.
Related coverage: Bahrain • Iran • Iraq • Israel • Jordan • Kuwait.
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