> ## Documentation Index
> Fetch the complete documentation index at: https://docs.methodfi.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Environments

Method has three primary API environments. Development, Sandbox, and Production share similar functionality
with minor differences. All building should be done in the Development and Sandbox environments.
All activity in Production will be billed. Your team will have separate API keys for each Method
environment. Keys are available under the Keys section in
the [Method Dashboard](https://dashboard.methodfi.com).

Development, Sandbox, and Production share similar functionality with minor differences
listed below. All merchant data is the same across all environments.

#### Development

We recommend building your integration in the `Development` environment. All data and payments are mocked.

#### Sandbox

We recommend switching to `Sandbox` once you are ready to test your integration with live data.

* Entities: Limited to a pre-defined whitelist. Contact your Method CSM to set up / modify your sandbox whitelist.
* Payments: 20 transactions / month (\$1 limit / transaction)
* Products / Subscriptions: Limited to your contracted products and subscriptions. All endpoints are live and will perform real data and money movement.

#### Production

Go live with your Method integration with unlimited live payments; all requests are billed.

<RequestExample>
  ```bash API Hosts theme={null}
  https://dev.methodfi.com (Development)
  https://sandbox.methodfi.com (Sandbox)
  https://production.methodfi.com (Production)
  ```
</RequestExample>