# Request to whitelist an external retail wallet for an asset class.

Endpoint: POST /api/external/v1/customers/{customer-id}/retail-wallets/{external-retail-wallet-id}/external-asset-class-opt-in
Version: v1

## Path parameters:

  - `customer-id` (string, required)
    Customer id.

  - `external-retail-wallet-id` (string, required)
    External retail wallet id.

## Request fields (application/json):

  - `tokenizedAssetId` (string, required)

  - `approvedForDelivery` (boolean)

  - `amount` (number)

  - `txHash` (string,null)

## Response 200 fields (application/json):

  - `errorMessageCodes` (array,null)

  - `errors` (array,null)

  - `errors.code` (string,null)

  - `errors.message` (string,null)

  - `errors.field` (string,null)

  - `data` (string)