diff --git a/api/src/main/kotlin/dev/msfjarvis/claw/api/ShioriApi.kt b/api/src/main/kotlin/dev/msfjarvis/claw/api/ShioriApi.kt
new file mode 100644
index 00000000..7b8305db
--- /dev/null
+++ b/api/src/main/kotlin/dev/msfjarvis/claw/api/ShioriApi.kt
@@ -0,0 +1,52 @@
+/*
+ * Copyright © 2023 Harsh Shandilya.
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+package dev.msfjarvis.claw.api
+
+import android.annotation.SuppressLint
+import dev.msfjarvis.claw.model.shiori.AuthRequest
+import dev.msfjarvis.claw.model.shiori.AuthResponse
+import dev.msfjarvis.claw.model.shiori.Bookmark
+import dev.msfjarvis.claw.model.shiori.BookmarkRequest
+import dev.msfjarvis.claw.model.shiori.BookmarksResponse
+import dev.msfjarvis.claw.model.shiori.EditedBookmark
+import retrofit2.http.Body
+import retrofit2.http.GET
+import retrofit2.http.HTTP
+import retrofit2.http.Header
+import retrofit2.http.POST
+import retrofit2.http.PUT
+
+private const val SESSION_ID_HEADER = "X-Session-Id"
+
+interface ShioriApi {
+  @POST("/api/login") suspend fun login(@Body body: AuthRequest): AuthResponse
+
+  @SuppressLint("RetrofitUsage") // POST without a body is apparently fine?
+  @POST("/api/logout")
+  suspend fun logout(@Header(SESSION_ID_HEADER) sessionId: String)
+
+  @GET("/api/bookmarks")
+  suspend fun getBookmarks(@Header(SESSION_ID_HEADER) sessionId: String): BookmarksResponse
+
+  @POST("/api/bookmarks")
+  suspend fun addBookmark(
+    @Header(SESSION_ID_HEADER) sessionId: String,
+    @Body bookmarkRequest: BookmarkRequest,
+  ): Bookmark
+
+  @PUT("/api/bookmarks")
+  suspend fun editBookmark(
+    @Header(SESSION_ID_HEADER) sessionId: String,
+    @Body bookmark: EditedBookmark,
+  ): Bookmark
+
+  @HTTP(method = "DELETE", path = "/api/bookmarks", hasBody = true)
+  suspend fun deleteBookmark(
+    @Header(SESSION_ID_HEADER) sessionId: String,
+    @Body ids: List<Int>,
+  ): Int
+}
diff --git a/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/Account.kt b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/Account.kt
new file mode 100644
index 00000000..cdd22cac
--- /dev/null
+++ b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/Account.kt
@@ -0,0 +1,18 @@
+/*
+ * Copyright © 2021-2023 Harsh Shandilya.
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+package dev.msfjarvis.claw.model.shiori
+
+import dev.drewhamilton.poko.Poko
+import kotlinx.serialization.Serializable
+
+@Serializable
+@Poko
+class Account(
+  val id: Int,
+  val username: String,
+  val owner: Boolean,
+)
diff --git a/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/AuthRequest.kt b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/AuthRequest.kt
new file mode 100644
index 00000000..3ced4c9f
--- /dev/null
+++ b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/AuthRequest.kt
@@ -0,0 +1,19 @@
+/*
+ * Copyright © 2021-2023 Harsh Shandilya.
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+package dev.msfjarvis.claw.model.shiori
+
+import dev.drewhamilton.poko.Poko
+import kotlinx.serialization.Serializable
+
+@Serializable
+@Poko
+class AuthRequest(
+  val username: String,
+  val password: String,
+  val remember: Boolean = true,
+  val owner: Boolean = false,
+)
diff --git a/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/AuthResponse.kt b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/AuthResponse.kt
new file mode 100644
index 00000000..2280dc62
--- /dev/null
+++ b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/AuthResponse.kt
@@ -0,0 +1,18 @@
+/*
+ * Copyright © 2022-2023 Harsh Shandilya.
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+package dev.msfjarvis.claw.model.shiori
+
+import dev.drewhamilton.poko.Poko
+import kotlinx.serialization.Serializable
+
+@Serializable
+@Poko
+class AuthResponse(
+  val session: String,
+  val expires: String,
+  val account: Account,
+)
diff --git a/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/Bookmark.kt b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/Bookmark.kt
new file mode 100644
index 00000000..7c874fc5
--- /dev/null
+++ b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/Bookmark.kt
@@ -0,0 +1,27 @@
+/*
+ * Copyright © 2021-2023 Harsh Shandilya.
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+package dev.msfjarvis.claw.model.shiori
+
+import dev.drewhamilton.poko.Poko
+import kotlinx.serialization.Serializable
+
+@Serializable
+@Poko
+class Bookmark(
+  val id: Int,
+  val url: String,
+  val title: String,
+  val excerpt: String,
+  val author: String,
+  val public: Int,
+  val modified: String,
+  val imageURL: String,
+  val hasContent: Boolean,
+  val hasArchive: Boolean,
+  val tags: List<Tag>,
+  val createArchive: Boolean,
+)
diff --git a/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/BookmarkRequest.kt b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/BookmarkRequest.kt
new file mode 100644
index 00000000..7b5b8f9a
--- /dev/null
+++ b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/BookmarkRequest.kt
@@ -0,0 +1,21 @@
+/*
+ * Copyright © 2021-2023 Harsh Shandilya.
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+package dev.msfjarvis.claw.model.shiori
+
+import dev.drewhamilton.poko.Poko
+import kotlinx.serialization.Serializable
+
+@Serializable
+@Poko
+class BookmarkRequest(
+  val url: String,
+  val createArchive: Boolean,
+  val public: Int,
+  val tags: List<Tag>,
+  val title: String,
+  val excerpt: String,
+)
diff --git a/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/BookmarksResponse.kt b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/BookmarksResponse.kt
new file mode 100644
index 00000000..e4436857
--- /dev/null
+++ b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/BookmarksResponse.kt
@@ -0,0 +1,18 @@
+/*
+ * Copyright © 2022-2023 Harsh Shandilya.
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+package dev.msfjarvis.claw.model.shiori
+
+import dev.drewhamilton.poko.Poko
+import kotlinx.serialization.Serializable
+
+@Serializable
+@Poko
+class BookmarksResponse(
+  val bookmarks: List<Bookmark>,
+  val maxPage: Int,
+  val page: Int,
+)
diff --git a/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/EditedBookmark.kt b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/EditedBookmark.kt
new file mode 100644
index 00000000..6f5db401
--- /dev/null
+++ b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/EditedBookmark.kt
@@ -0,0 +1,27 @@
+/*
+ * Copyright © 2023 Harsh Shandilya.
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+package dev.msfjarvis.claw.model.shiori
+
+import dev.drewhamilton.poko.Poko
+import kotlinx.serialization.Serializable
+
+@Serializable
+@Poko
+class EditedBookmark(
+  val id: Int,
+  val url: String? = null,
+  val title: String? = null,
+  val excerpt: String? = null,
+  val author: String? = null,
+  val public: Int? = null,
+  val modified: String? = null,
+  val imageURL: String? = null,
+  val hasContent: Boolean? = null,
+  val hasArchive: Boolean? = null,
+  val tags: List<Tag>? = null,
+  val createArchive: Boolean? = null,
+)
diff --git a/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/Tag.kt b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/Tag.kt
new file mode 100644
index 00000000..138474fa
--- /dev/null
+++ b/model/src/main/kotlin/dev/msfjarvis/claw/model/shiori/Tag.kt
@@ -0,0 +1,12 @@
+/*
+ * Copyright © 2022-2023 Harsh Shandilya.
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+package dev.msfjarvis.claw.model.shiori
+
+import dev.drewhamilton.poko.Poko
+import kotlinx.serialization.Serializable
+
+@Serializable @Poko class Tag(val name: String)