Plaid has three different environments: Sandbox, Development, and Production. Each environment is hosted separately, and data does not flow between environments.
Sandbox
Our Sandbox environment, https://sandbox.plaid.com, is available to you as soon as you create your Plaid account. Sandbox provides test Items that can be generated using test credentials. You can generate an unlimited number of these test Items to support your building phase.
Development
In order to access our Development environment, https://development.plaid.com, you will have to file a request via the Dashboard. Once your access has been granted, you will be able to add up to 100 live Items to the Development environment. Keep in mind that any Items created in Development cannot be moved to Production at any point. We recommend using Development for testing live Items only.
Production
Our Production environment, https://production.plaid.com, is where all your live, production traffic should take place. Once you're ready to gain Production access, reach out to our Sales team. They will be in touch to walk you through the necessary compliance steps.