postland/lib/activity_pub.ex

defmodule ActivityPub do
  def fetch_actor(actor_id) do
      request =
        Req.new(url: actor_id)
        |> Req.Request.put_header("accept", "application/json")

      case Req.get(request) do
        {:ok, result} ->
          {:ok, result.body}

        error ->
          error
      end
  end
end