# API Endpoints for Financial Accounts

## Effective Date

- **effective_date**  
  - **type**: date  
  - **required**  
  - Description: Effective date in ISO format (YYYY-MM-DD)

- **financial_account_token**  
  - **type**: uuid  
  - **required**  
  - Description: Globally unique identifier for financial account

## Response Codes

- **204 No Content**  
- **400**: A parameter in the query given in the request does not match the valid queries for the endpoint.
- **401**:  
  - User has not been authenticated  
  - Invalid or missing API key  
  - API key is not active  
  - The API key used is no longer active  
  - Could not find API key  
  - The API key provided is not associated with any user  
  - Please provide API key in Authorization header  
  - The Authorization header is not in the request  
  - Please provide API key in the form Authorization: [api-key]  
  - The Authorization header is not formatted properly  
  - Insufficient privileges. Issuing API key required  
  - Write access requires an Issuing API key. Reach out at [lithic.com/contact](/content/contact/index.html)  
  - Insufficient privileges to create virtual cards.  
  - Creating virtual cards requires an additional privilege
- **404**: The specified resource was not found.
- **422**: Unprocessable entity.
- **429**: Client has exceeded the number of allowed requests in a given time period.  
  - Rate limited, too many requests per second  
  - User has exceeded their per second rate limit  
  - Rate limited, reached daily limit  
  - User has exceeded their daily rate limit  
  - Rate limited, too many keys tried  
  - One IP has queried too many different API keys

## Example Request

```shell
curl --request DELETE \
     --url https://sandbox.lithic.com/v1/financial_accounts/financial_account_token/interest_tier_schedule/effective_date \
     --header 'accept: application/json'
```

## Example Response Codes

```
400
401
404
422
429
```