# Customers

Customers can only be created via the application process. Once created, customers can have multiple accounts associated with them.

## Retrieve Customer

 - [GET /v1/customers/{customer_id}](https://docs.rail.io/api-docs/openapi/rail-spec/customers/getcustomerdetails.md): Retrieve customer details

## Update Customer

 - [PATCH /v1/customers/{customer_id}](https://docs.rail.io/api-docs/openapi/rail-spec/customers/updatecustomer.md): Update customer details. For individuals (officers) linked to a corporate customer, modify the individual resource directly using Update Individual.

## Retrieve Individual

 - [GET /v1/customers/{customer_id}/individuals/{individual_id}](https://docs.rail.io/api-docs/openapi/rail-spec/customers/getindividual.md): Retrieve individual details. This operation is only for corporate customers that have individual officers with access to the account

## Update Individual

 - [PATCH /v1/customers/{customer_id}/individuals/{individual_id}](https://docs.rail.io/api-docs/openapi/rail-spec/customers/updateindividual.md): Update individual details. This operation is only for corporate customers that have individual officers with access to the account

## Retrieve Customers

 - [GET /v1/customers](https://docs.rail.io/api-docs/openapi/rail-spec/customers/getcustomers.md): Retrieve customers matching the provided query parameters