> ## 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.

# Forwarding Request Errors

## Request Errors

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

### `INVALID_REQUEST`

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

### `URL_NOT_ALLOWED`

The URL is not whitelisted for forwarding requests.

### `INVALID_TEMPLATE`

Template expression is invalid.

### `TEMPLATE_IN_KEYS_NOT_ALLOWED`

Template expressions are not allowed in JSON keys.

### `BINDING_NAME_MISSING`

Binding name was referenced in a template but not provided in the bindings object.

### `BINDING_NAME_NOT_REFERENCED`

Binding name was provided in the bindings object but not referenced in any templates.

### `BINDING_NOT_FOUND`

Resource ID associated with the binding name was not found. Verify the resource id and try again.

### `UNSUPPORTED_BINDING_VALUE`

Resource type associated with the binding name is not supported.

### `DISALLOWED_TEMPLATE_PATH`

Path referenced in the template is not allowed for this destination.

### `REFERENCED_VALUE_IS_NULL`

Referenced value at the path is null or missing.

### `INVALID_METHOD`

The HTTP method is not allowed for this destination.

### `BODY_JSON_INVALID`

Request body must be valid stringified JSON.

### `INVALID_CONTENT_TYPE`

The provided content type is not allowed for this destination.

***

## API Errors

Errors returned when the outbound (forwarded) request fails.

### `FORWARDED_REQUEST_TIMEOUT`

Forwarded request timed out. Default timeout is 10 seconds.

### `FORWARDED_REQUEST_NETWORK_ERROR`

Forwarded request failed due to a network error.