httpx¶

# requirements
httpx[http2]
aiolimiter

async def get_data(client, limiter, series):
  async with limiter:
    response = await client.get(
        URL_BASE + ENDPOINT + series,
        params = params
    )

  return response.json()


async with httpx.AsyncClient(http2=True) as client:
  limiter = AsyncLimiter(
    10,     # asynchronous requests
    1       # delay in s
  )

  tasks = []

  for series in series_list:
      tasks.append(asyncio.create_task(
          get_data(client, limiter, series)
      ))

  data = await asyncio.gather(*tasks)