{{clientSecret}}` and `{{clientID}}` placeholders should be replaced with your actual client secret and client ID from the Propel Console respectively. This summary provides a concise overview of the key points discussed in the provided text, covering why an API is necessary for customer-facing applications, the requirements for an API on top of Snowflake, and the five steps to build a Snowflake API using Propel's Serverless Analytics API Platform. The summary highlights the benefits of using Propel, including its ability to provide infrastructure, scalability, and security while giving developers flexibility in defining metrics.