Any API request that is done to the `/item_summary/search` endpoint with the HTTP-Header "User-Agent: billi" returns more items than requested via the "&limit" parameter.
Tested in the API Exporer (https://developer.ebay.com/my/api_test_tool?index=0&env=production) with the URL "https://api.ebay.com/buy/browse/v1/item_summary/search?q=drone&limit=3".
These are the results for different values for the limit parameter:
| &limit=n | ["itemSummaries"].length |
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 8 |
| 5 | 10 |
| 6 | 11 |
| 7 | 13 |
| 8 | 14 |
| 9 | 15 |
| 10 | 16 |
| 11 | 17 |
| 12 | 18 |
| 13 | 19 |
| 14 | 21 |
| 15 | 23 |
| 16 | 25 |
| 17 | 26 |
| 18 | 27 |
| 19 | 28 |
| 20 | 29 |
| 21 | 30 |
| 22 | 31 |
| 23 | 32 |
| 24 | 33 |
| 25 | 34 |
| 26 | 35 |
| 27 | 36 |
| 28 | 37 |
| 29 | 39 |
| 30 | 41 |
| 31 | 43 |
| 32 | 45 |
