curl --location --request GET '/api/admin/analytics/by-date?startDate&endDate&languageId&bookId&granularity'{
"data": [
{
"date": "2026-03-25",
"totalDownloads": 32,
"totalBooks": 45,
"uniqueContacts": 28
},
{
"date": "2026-03-26",
"totalDownloads": 41,
"totalBooks": 58,
"uniqueContacts": 35
},
{
"date": "2026-03-27",
"totalDownloads": 28,
"totalBooks": 39,
"uniqueContacts": 22
}
]
}