> ## 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.

# Simulation Errors

## Request Errors

The request to a `/simulate/...` endpoint failed. These are the `sub_type` that can be returned.

### `INVALID_REQUEST`

The request body failed basic validation for the specific API endpoint.

### `NOT_FOUND`

The requested resource does not exist.

### `TOO_MANY_REQUESTS`

Too many requests hit the API too quickly. Retry with exponential backoff.

### `SIMULATION_RESTRICTED_MISSING_PRODUCT_REQUEST`

Resource must have a completed request for this product in order to configure simulations.

### `SIMULATION_RESTRICTED_MISSING_SUBSCRIPTION`

Resource must have an active subscription for this product in order to simulate this behavior.

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