I used the Web Developer plugin and https://github.com/JElchison/curl-auth-csrf to investigate the dropscan.de REST API a little:
curl-auth-csrf.py -i https://secure.dropscan.de/login -f form-login -d "user[email]=$EMAIL" -p "user[password]" $URL
URL=https://secure.dropscan.de/scanboxes/[ID?]/mailings.json?filter=received&sort=created_at
[
{
"barcode": "C00123456",
"slug": "[slugID]",
"scanbox_id": 3350,
"status": "received",
"container_mailings_count": null,
"created_at": "09.12.2016",
"updated_at": "09.12.2016",
"envelope_thumbnail_url": "https://thumbnails.dropscan.de/..../C00194321.small.jpg",
"forwarding_batch_id": null,
"downloaded_at": null
}
]
URL=https://secure.dropscan.de/scanboxes/[scanboxID]/mailings/[slugID].json
{
"barcode": "C00123456",
"slug": "[slugID]",
"scanbox_id": 3350,
"status": "received",
"recipient": {
"id": 4570,
"name": "Receipt Name",
"scanbox_id": 3350,
"email": null,
"removed_at": null,
"created_at": "2016-07-19T11:46:04.907+02:00",
"updated_at": "2016-07-19T11:46:04.907+02:00",
"batch_assignment_enabled": false,
"alternative_names": null
},
"created_at": "09.12.2016",
"updated_at": "09.12.2016",
"envelope_thumbnail_url": "https://thumbnails.dropscan.de/..../C00123456.small.jpg",
"envelope_url": "https://thumbnails.dropscan.de/..../C00123456.jpg",
"cover_url": "https://production-mailings.s3.eu-central-1.amazonaws.com/.../C00123456.cover.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIA....%2Feu-Token=....&X-Amz- SignedHeaders=host&X-Amz-Signature=...",
"container_mailings_count": null,
"forwarding_batch_id": null
}
URL=https://secure.dropscan.de/scanboxes/[scanboxID]/mailings/[slugID]/scan?src=detail
triggers scan?
URL=https://secure.dropscan.de/scanboxes/[scanboxID]/mailings.json?filter=scanned&sort=scanned_at
[
{
"barcode": "C00123456",
"slug": "[slugID]",
"scanbox_id": 3350,
"status": "scan_requested",
"container_mailings_count": null,
"created_at": "09.12.2016",
"updated_at": "09.12.2016",
"scan_requested_at": "09.12.2016",
"envelope_thumbnail_url": "https://thumbnails.dropscan.de/.../C00123456.small.jpg",
"forwarding_batch_id": null,
"downloaded_at": null
}
]
URL=https://secure.dropscan.de/scanboxes/[scanboxID]/mailings.json?filter=forwarded&sort=forwarded_at URL=https://secure.dropscan.de/scanboxes/[scanboxID]/mailings.json?filter=destroyed&sort=destroyed_at