diff --git a/src/Jackett.Common/Definitions/nbtorrents-api.yml b/src/Jackett.Common/Definitions/nbtorrents-api.yml
new file mode 100644
index 000000000..67502689a
--- /dev/null
+++ b/src/Jackett.Common/Definitions/nbtorrents-api.yml
@@ -0,0 +1,148 @@
+---
+id: nbtorrents-api
+name: NBTorrents (API)
+description: "NBTorrents is an INDIAN Private site for MOVIES / TV / MUSIC"
+language: en-US
+type: private
+encoding: UTF-8
+links:
+  - https://www.nbtorrents.com/
+
+caps:
+  categorymappings:
+    - {id: 1, cat: Movies, desc: "Movies"}
+    - {id: 2, cat: TV, desc: "TV"}
+    - {id: 3, cat: Audio, desc: "Music"}
+    - {id: 4, cat: PC/Games, desc: "Game"}
+    - {id: 5, cat: PC/0day, desc: "Application"}
+
+  modes:
+    search: [q]
+    tv-search: [q, season, ep, imdbid, tvdbid, tmdbid]
+    movie-search: [q, imdbid, tmdbid]
+    music-search: [q]
+    book-search: [q]
+
+settings:
+  - name: apikey
+    type: text
+    label: APIKey
+  - name: info_key
+    type: info
+    label: About your API key
+    default: "Find or Generate a new API Token by accessing your <a href=\"https://www.nbtorrents.com/\" target =_blank>NBTorrents</a> account <i>My Security</i> page and clicking on the <b>API Token</b> tab."
+  - name: freeleech
+    type: checkbox
+    label: Search freeleech only
+    default: false
+  - name: sort
+    type: select
+    label: Sort requested from site
+    default: created_at
+    options:
+      created_at: created
+      seeders: seeders
+      size: size
+      name: title
+  - name: type
+    type: select
+    label: Order requested from site
+    default: desc
+    options:
+      desc: desc
+      asc: asc
+
+login:
+  path: /api/torrents
+  method: get
+  inputs:
+    api_token: "{{ .Config.apikey }}"
+  error:
+    - selector: a[href*="/login"]
+      message:
+        text: "The API key was not accepted by {{ .Config.sitelink }}."
+
+search:
+  paths:
+    # https://hdinnovations.github.io/UNIT3D-Community-Edition-Docs/api_endpoints.html
+    # https://github.com/HDInnovations/UNIT3D-Community-Edition/blob/master/app/Http/Controllers/API/TorrentController.php
+    - path: "/api/torrents/filter"
+      response:
+        type: json
+
+  inputs:
+  # if we have an id based search, add Season and Episode as query in name for UNIT3D < v6.  Else pass S/E Params for UNIT3D >= v6
+    api_token: "{{ .Config.apikey }}"
+    name: "{{ .Keywords }}"
+    $raw: "{{ if .Query.Season }}&seasonNumber={{ .Query.Season }}{{ else }}{{ end }}{{ if .Query.Ep }}&episodeNumber={{ .Query.Ep }}{{ else }}{{ end }}{{ if .Query.TMDBID }}&tmdbId={{ .Query.TMDBID }}{{ else }}{{ end }}{{ if .Query.IMDBIDShort }}&imdbId={{ .Query.IMDBIDShort }}{{ else }}{{ end }}{{ if  .Query.TVDBID }}&tvdbId={{ .Query.TVDBID }}{{ else }}{{ end }}{{ range .Categories }}&categories[]={{.}}{{end}}{{ if .Config.freeleech }}&free=1{{ else }}{{ end }}"
+    sortField: "{{ .Config.sort }}"
+    sortDirection: "{{ .Config.type }}"
+    perPage: 100
+    page: 1
+
+  keywordsfilters:
+    - name: re_replace
+      args: ["\\.", " "]
+
+  rows:
+    selector: data
+    attribute: attributes
+    count:
+      selector: meta.total
+
+  fields:
+    category:
+      selector: category_id
+    title:
+      selector: name
+    details:
+      selector: details_link
+    download:
+      selector: download_link
+    poster:
+      selector: poster
+      filters:
+        - name: replace
+          args: ["https://via.placeholder.com/90x135", ""]
+    imdbid:
+      selector: imdb_id
+    tmdbid:
+      selector: tmdb_id
+    tvdbid:
+      selector: tvdb_id
+    files:
+      selector: num_file
+    seeders:
+      selector: seeders
+    leechers:
+      selector: leechers
+    grabs:
+      selector: times_completed
+    date:
+      # 2021-10-18T00:34:50.000000Z"
+      selector: created_at
+    size:
+      selector: size
+    downloadvolumefactor:
+      # api returns 0%, 25%, 50%, 75%, 100%
+      selector: freeleech
+      case:
+        0%: 1 # not free
+        25%: 0.75
+        50%: 0.5
+        75%: 0.25
+        100%: 0 # freeleech
+        "*": 0 # catch errors
+    uploadvolumefactor:
+      # api returns 0=false, 1=true
+      selector: double_upload
+      case:
+        0: 1 # normal
+        1: 2 # double
+# global MR is 0.4 but torrents must be seeded for 7 days regardless of ratio
+#    minimumratio:
+#      text: 0.4
+    minimumseedtime:
+      # 2 days (as seconds = 2 x 24 x 60 x 60)
+      text: 172800
+# json UNIT3D 6.3.0
diff --git a/src/Jackett.Common/Definitions/nbtorrents.yml b/src/Jackett.Common/Definitions/nbtorrents.yml
deleted file mode 100644
index 17ecca8e4..000000000
--- a/src/Jackett.Common/Definitions/nbtorrents.yml
+++ /dev/null
@@ -1,150 +0,0 @@
----
-id: nbtorrents
-name: NBTorrents
-description: "NBTorrents is an INDIAN Private site for MOVIES / TV / MUSIC"
-language: en-US
-type: private
-encoding: UTF-8
-links:
-  - https://www.nbtorrents.com/
-
-caps:
-  categorymappings:
-    - {id: 22, cat: TV/Anime, desc: "Anime & Cartoon"}
-    - {id: 26, cat: TV/Documentary, desc: "Documentaries"}
-    - {id: 1, cat: Movies/UHD, desc: "Movies UHD & BluRay"}
-    - {id: 3, cat: Movies/BluRay, desc: "Movies BDRips"}
-    - {id: 6, cat: Movies/DVD, desc: "Movies DVD"}
-    - {id: 7, cat: Movies/DVD, desc: "Movies DVDRip"}
-    - {id: 8, cat: Movies, desc: "Movies Pre"}
-    - {id: 2, cat: Movies, desc: "Movies Remux"}
-    - {id: 4, cat: Movies/WEB-DL, desc: "Movies Web"}
-    - {id: 5, cat: Movies/WEB-DL, desc: "Movies WebRip"}
-    - {id: 15, cat: Audio/Lossless, desc: "Music CD & FLAC"}
-    - {id: 17, cat: Audio/MP3, desc: "Music MP3"}
-    - {id: 18, cat: Audio, desc: "Music Pack"}
-    - {id: 20, cat: Audio, desc: "Music Podcast"}
-    - {id: 19, cat: Audio/Video, desc: "Music Video"}
-    - {id: 16, cat: Audio, desc: "Music Web"}
-    - {id: 25, cat: TV/Sport, desc: "Sports"}
-    - {id: 10, cat: TV/UHD, desc: "TV UHD & BluRay"}
-    - {id: 11, cat: TV, desc: "TV BDRips"}
-    - {id: 14, cat: TV, desc: "TV packs"}
-    - {id: 12, cat: TV/WEB-DL, desc: "TV Web"}
-    - {id: 13, cat: TV/WEB-DL, desc: "TV WebRips"}
-
-  modes:
-    search: [q]
-    tv-search: [q, season, ep]
-    movie-search: [q]
-    music-search: [q]
-
-settings:
-  - name: username
-    type: text
-    label: Username
-  - name: password
-    type: password
-    label: Password
-  - name: freeleech
-    type: checkbox
-    label: Search freeleech only
-    default: false
-  - name: sort
-    type: select
-    label: Sort requested from site
-    default: 4
-    options:
-      4: created
-      7: seeders
-      5: size
-      1: title
-  - name: type
-    type: select
-    label: Order requested from site
-    default: desc
-    options:
-      desc: desc
-      asc: asc
-
-login:
-  path: login.php
-  method: form
-  form: form[action="takelogin.php"]
-  inputs:
-    username: "{{ .Config.username }}"
-    password: "{{ .Config.password }}"
-  error:
-    - selector: td.colhead:contains("failed")
-      message:
-        selector: table tr td.text
-  test:
-    path: browse.php
-    selector: a[href*="logout.php?hash_insert="]
-
-search:
-  paths:
-    - path: browse.php
-  inputs:
-    $raw: "{{ range .Categories }}c{{.}}=1&{{end}}"
-    search: "{{ .Keywords }}"
-    searchin: title
-    incldead: 1
-    only_free: "{{ if .Config.freeleech }}1{{ else }}0{{ end }}"
-    sort: "{{ .Config.sort }}"
-    type: "{{ .Config.type }}"
-
-  rows:
-    selector: table.mainouter tr table tr:has(a[href^="download.php?torrent="])
-    filters:
-      - name: andmatch
-
-  fields:
-    category:
-      selector: td a[href^="browse.php?cat="]
-      attribute: href
-      filters:
-        - name: querystring
-          args: cat
-    title:
-      selector: td a[href^="details.php?id="]
-    details:
-      selector: td a[href^="details.php?id="]
-      attribute: href
-    poster:
-      selector: td a[href^="details.php?id="]
-      attribute: onmouseover
-      filters:
-        - name: regexp
-          args: "src=\\\\'(.*?)\\\\' "
-    download:
-      selector: td a[href^="download.php?torrent="]
-      attribute: href
-    imdbid:
-      selector: td a[href*="imdb.com/title/tt"]
-      attribute: href
-    files:
-      selector: td:nth-of-type(5)
-    date:
-      selector: td:nth-of-type(7)
-      filters:
-        - name: append
-          args: " +05:30" # IST
-        - name: dateparse
-          args: "Jan 2 2006 03:04 PM -07:00"
-    size:
-      selector: td:nth-of-type(8)
-    grabs:
-      selector: td:nth-of-type(9)
-    seeders:
-      selector: td:nth-of-type(10)
-    leechers:
-      selector: td:nth-of-type(11)
-    downloadvolumefactor:
-      case:
-        "img[title=\"Free Torrent\"]": 0 # torrent specific free leech (icon)?
-        "a.info:contains(\"Free\")": 0 # global freeleech note?
-        "*": 1
-    uploadvolumefactor:
-      text: 1
-# engine n/a
diff --git a/src/Jackett.Updater/Program.cs b/src/Jackett.Updater/Program.cs
index 8d4233b54..4c41d8909 100644
--- a/src/Jackett.Updater/Program.cs
+++ b/src/Jackett.Updater/Program.cs
@@ -426,6 +426,7 @@ namespace Jackett.Updater
                 "Definitions/moviezone.yml", // migrated to teracod #9743
                 "Definitions/music-master.yml",
                 "Definitions/nachtwerk.yml",
+                "Definitions/nbtorrents.yml",
                 "Definitions/netlab.yml",
                 "Definitions/nexttorrent.yml",
                 "Definitions/nforce.yml",