DenizBank API (Sandbox)

• Fed Treasury

  Fed Treasury exposes official debt and fiscal datasets from the U.S. Treasury Fiscal Data service.

  Fully free

  Official

• Portfolio Optimizer

  Portfolio Optimizer exposes no-auth financial optimization endpoints that return portfolio weights.

  Fully free

  Official

• SEC EDGAR Data

  SEC EDGAR Data exposes official SEC EDGAR APIs for U.S. public company filings and company metadata.

  Fully free

  Official

• TradeWise Developer API

  TradeWise developer API for account, order, and symbol list operations with API key → JWT flow.

  Unknown

  Official

• Ziraat Katılım API

  Provides API services via the Ziraat Katılım developer portal.

  Sandbox/Trial

  Official

• Yapı Kredi API Portal

  Provides banking APIs via the Yapı Kredi developer portal.

  Sandbox/Trial

  Official

Frequently Asked Questions

Is the DenizBank API (Sandbox) API free to use?

DenizBank API (Sandbox) provides free access only in a sandbox / test environment. Production usage requires an agreement with the provider.

How do I authenticate calls to the DenizBank API (Sandbox) API?

DenizBank API (Sandbox) authenticates via OAuth 2.0. You obtain an access token and call the API with the Authorization: Bearer <token> header.

Is DenizBank API (Sandbox) suitable for use in Türkiye?

DenizBank API (Sandbox) is not directly focused on Türkiye but can be integrated by users from Türkiye; check the provider documentation for country restrictions.

Is DenizBank API (Sandbox) an official API?

DenizBank API (Sandbox) is the official API published by the provider. Endpoints and the data contract are supported by the provider.