# Whether a capability is allowed now, and why not

`GET /usage/can` · Rivier · usage

Whether a capability is allowed now, and why not.

- Scope: usage:read
- Mcp: rivier_personas_can
- Graphql: Query.usagePlanCan
- Sdk: usage.plan.can
- Cli: usage plan can

## Parameters

- `capability` (query, required), string
- `meter` (query), string
- `amount` (query), integer

## Responses

- `200`: Success
- `400`: The request was malformed
- `401`: No valid credential
- `403`: The credential lacks the scope, origin or address
- `429`: Over the key's rate limit; see Retry-After

## Example

```sh
curl -X GET 'https://api.rivier.ai/usage/can' \
  -H 'Authorization: Bearer $KEY'
```