snippet

serverless.yml

....

provider:
  ....
  apiGateway:
    apiKeys:
      - free:
          - ${opt:stage}-freekey
      - paid:
          - ${opt:stage}-prokey
    usagePlan:
      - free:
          quota:
            limit: 5000
            offset: 2
            period: MONTH
          throttle:
            burstLimit: 200
            rateLimit: 100
      - paid:
          quota:
            limit: 50000
            offset: 1
            period: MONTH
          throttle:
            burstLimit: 2000
            rateLimit: 1000

 # for each function add private: true
functions:
   ...
      - http: 
          ....
          private: true
....