# knowledge-base.yaml ## Servers ``` https://api.kycaid.com ``` ## Security ### Your API key Type: apiKey In: header Name: Authorization ## Download OpenAPI description [knowledge-base.yaml](https://docs.kycaid.com/_spec/knowledge-base.yaml) ## Business activities ### Get business activities - [GET /business-activities](https://docs.kycaid.com/knowledge-base/business-activities/get-business-activities.md): Retrieve a list of business activities and their identifiers from our system to use them while creating a KYB applicant (a company) ## Languages ### Get languages - [GET /languages](https://docs.kycaid.com/knowledge-base/languages/get-languages.md): Access the article from the previous version of the documentation: # Get languages ## Countries ### Get countries - [GET /countries](https://docs.kycaid.com/knowledge-base/countries/get-countries.md): Retrieve a list of countries and their codes from our system to use them for country-specific parameters