# Customers ## Retrieve a list of customers by filter - [GET /customers](https://developer.adfin.com/products/partner-integration/partner-integration-api-reference/customers/getcustomers.md) ## Update a customer - [PUT /customers](https://developer.adfin.com/products/partner-integration/partner-integration-api-reference/customers/putcustomer.md) ## Create a customer - [POST /customers](https://developer.adfin.com/products/partner-integration/partner-integration-api-reference/customers/createcustomer.md) ## Upsert customer workflow settings - [PUT /customers/workflow_settings](https://developer.adfin.com/products/partner-integration/partner-integration-api-reference/customers/upsertworkflowsettings.md) ## Retrieve a customer - [GET /customers/{id}](https://developer.adfin.com/products/partner-integration/partner-integration-api-reference/customers/getcustomerbyid.md) ## Retrieve customer workflow settings - [GET /customers/{id}/workflow_settings](https://developer.adfin.com/products/partner-integration/partner-integration-api-reference/customers/getworkflowsettings.md)