# `ExOura.HeartRate`
[🔗](https://github.com/tgrk/ex_oura/blob/v3.0.1/lib/ex_oura/heart_rate.ex#L1)

Documentation for Oura API - Heart Rate

# `end_datetime`

```elixir
@type end_datetime() :: DateTime.t() | NaiveDateTime.t()
```

# `next_token`

```elixir
@type next_token() :: String.t() | nil
```

# `opts`

```elixir
@type opts() :: Keyword.t()
```

# `start_datetime`

```elixir
@type start_datetime() :: DateTime.t() | NaiveDateTime.t()
```

# `multiple_heart_rate`

```elixir
@spec multiple_heart_rate(start_datetime(), end_datetime(), next_token(), opts()) ::
  {:ok, ExOura.Client.TimeSeriesResponsePublicHeartRateRow.t()}
  | {:error, term()}
```

Multiple Heart Rate

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*Consult [api-reference.md](api-reference.md) for complete listing*