Pagination

async function* allSales(apiKey) {
  let cursor;
  do {
    const url = new URL("https://api.pulse-sell.com/v1/sales");
    url.searchParams.set("per_page", "100");
    if (cursor) url.searchParams.set("cursor", cursor);
    const res = await fetch(url, { headers: { Authorization: `Bearer ${apiKey}` } });
    const body = await res.json();
    yield* body.data;
    cursor = body.pagination.has_more_pages ? body.pagination.next_cursor : null;
  } while (cursor);
}

import requests

def all_sales(api_key):
    cursor = None
    while True:
        params = {"per_page": 100}
        if cursor:
            params["cursor"] = cursor
        r = requests.get("https://api.pulse-sell.com/v1/sales",
                         headers={"Authorization": f"Bearer {api_key}"}, params=params)
        body = r.json()
        yield from body["data"]
        if not body["pagination"]["has_more_pages"]:
            return
        cursor = body["pagination"]["next_cursor"]