in src/main/scala/pa/PaClient.scala [101:104]
def teams(competitionId: String, startDate: LocalDate, endDate: LocalDate)(implicit context: ExecutionContext): Future[List[Team]] = {
val (startDateStr, endDateStr) = formatDates(startDate, endDate)
get(s"/competition/teams/$apiKey/$competitionId/$startDateStr/$endDateStr").map(interceptErrors).map(parseTeams)
}