diff --git a/packages/pl-api/lib/entities/item.ts b/packages/pl-api/lib/entities/item.ts
new file mode 100644
index 000000000..fc1c80930
--- /dev/null
+++ b/packages/pl-api/lib/entities/item.ts
@@ -0,0 +1,242 @@
+import * as v from 'valibot';
+
+import { filteredArray } from './utils';
+
+const externalResourceSchema = v.object({
+  url: v.string(),
+});
+
+const baseItemSchema = v.object({
+  id: v.string(),
+  uuid: v.string(),
+  url: v.string(),
+  api_url: v.string(),
+  category: v.picklist(['book', 'movie', 'tv', 'music', 'game', 'podcast', 'performance', 'collection']),
+  parent_uuid: v.nullable(v.string()),
+  display_title: v.string(),
+  external_resources: v.nullable(filteredArray(externalResourceSchema)),
+  title: v.string(),
+  description: v.string(),
+  localized_title: filteredArray(v.object({
+    lang: v.string(),
+    text: v.string(),
+  })),
+  localized_description: filteredArray(v.object({
+    lang: v.string(),
+    text: v.string(),
+  })),
+  conver_image_url: v.nullable(v.string()),
+  rating: v.nullable(v.number()),
+  rating_count: v.nullable(v.number()),
+  rating_distribution: v.nullable(v.array(v.number())),
+  tags: v.nullable(v.array(v.string())),
+});
+
+const editionSchema = v.object({
+  ...baseItemSchema.entries,
+  type: v.literal('Edition'),
+  subtitle: v.nullable(v.string()),
+  orig_title: v.nullable(v.string()),
+  author: v.array(v.string()),
+  translator: v.array(v.string()),
+  language: v.array(v.string()),
+  pub_house: v.nullable(v.string()),
+  pub_year: v.nullable(v.number()),
+  pub_month: v.nullable(v.number()),
+  binding: v.nullable(v.string()),
+  price: v.nullable(v.string()),
+  pages: v.nullable(v.union([v.string(), v.number()])),
+  series: v.nullable(v.string()),
+  imprint: v.nullable(v.string()),
+  isbn: v.nullable(v.string()),
+});
+
+const tvShowSchema = v.object({
+  ...baseItemSchema.entries,
+  type: v.literal('TVShow'),
+  season_count: v.nullable(v.number()),
+  orig_title: v.nullable(v.string()),
+  director: v.array(v.string()),
+  playwright: v.array(v.string()),
+  actor: v.array(v.string()),
+  genre: v.array(v.string()),
+  language: v.array(v.string()),
+  area: v.array(v.string()),
+  year: v.nullable(v.number()),
+  site: v.nullable(v.string()),
+  episode_count: v.nullable(v.number()),
+  season_uuids: v.array(v.string()),
+  imdb: v.nullable(v.string()),
+});
+
+const tvSeasonSchema = v.object({
+  ...baseItemSchema.entries,
+  type: v.literal('TVSeason'),
+  season_number: v.nullable(v.number()),
+  orig_title: v.nullable(v.string()),
+  director: v.array(v.string()),
+  playwright: v.array(v.string()),
+  actor: v.array(v.string()),
+  genre: v.array(v.string()),
+  language: v.array(v.string()),
+  area: v.array(v.string()),
+  year: v.nullable(v.number()),
+  site: v.nullable(v.string()),
+  episode_count: v.nullable(v.number()),
+  episode_uuids: v.array(v.string()),
+  imdb: v.nullable(v.string()),
+});
+
+const movieSchema = v.object({
+  ...baseItemSchema.entries,
+  type: v.literal('Movie'),
+  orig_title: v.nullable(v.string()),
+  director: v.array(v.string()),
+  playwright: v.array(v.string()),
+  actor: v.array(v.string()),
+  genre: v.array(v.string()),
+  language: v.array(v.string()),
+  area: v.array(v.string()),
+  year: v.nullable(v.number()),
+  site: v.nullable(v.string()),
+  duration: v.nullable(v.string()),
+  imdb: v.nullable(v.string()),
+});
+
+const albumSchema = v.object({
+  ...baseItemSchema.entries,
+  type: v.literal('MusicAlbum'),
+  genre: v.array(v.string()),
+  artist: v.array(v.string()),
+  company: v.array(v.string()),
+  duration: v.nullable(v.number()),
+  release_date: v.nullable(v.string()),
+  track_list: v.nullable(v.string()),
+  barcode: v.nullable(v.string()),
+});
+
+const podcastSchema = v.object({
+  ...baseItemSchema.entries,
+  type: v.literal('Podcast'),
+  genre: v.array(v.string()),
+  host: v.array(v.string()),
+  language: v.array(v.string()),
+  official_site: v.nullable(v.string()),
+});
+
+const gameSchema = v.object({
+  ...baseItemSchema.entries,
+  type: v.literal('Game'),
+  genre: v.array(v.string()),
+  developer: v.array(v.string()),
+  publisher: v.array(v.string()),
+  platform: v.array(v.string()),
+  release_type: v.nullable(v.string()),
+  release_date: v.nullable(v.string()),
+  official_site: v.nullable(v.string()),
+});
+
+const performanceSchema = v.object({
+  ...baseItemSchema.entries,
+  type: v.literal('Performance'),
+  orig_title: v.nullable(v.string()),
+  genre: v.array(v.string()),
+  language: v.array(v.string()),
+  opening_date: v.nullable(v.string()),
+  closing_date: v.nullable(v.string()),
+  director: v.array(v.string()),
+  playwright: v.array(v.string()),
+  orig_creator: v.array(v.string()),
+  composer: v.array(v.string()),
+  choreographer: v.array(v.string()),
+  performer: v.array(v.string()),
+  actor: v.array(v.string()),
+  crew: v.array(v.string()),
+  official_site: v.nullable(v.string()),
+});
+
+const podcastEpisodeSchema = v.object({
+  ...baseItemSchema.entries,
+  type: v.literal('PodcastEpisode'),
+  guid: v.nullable(v.string()),
+  pub_date: v.nullable(v.string()),
+  media_url: v.nullable(v.string()),
+  link: v.nullable(v.string()),
+  duration: v.nullable(v.number()),
+});
+
+const performanceProductionSchema = v.object({
+  ...baseItemSchema.entries,
+  type: v.literal('PerformanceProduction'),
+  orig_title: v.nullable(v.string()),
+  language: v.array(v.string()),
+  opening_date: v.nullable(v.string()),
+  closing_date: v.nullable(v.string()),
+  director: v.array(v.string()),
+  playwright: v.array(v.string()),
+  orig_creator: v.array(v.string()),
+  composer: v.array(v.string()),
+  choreographer: v.array(v.string()),
+  performer: v.array(v.string()),
+  actor: v.array(v.string()),
+  crew: v.array(v.string()),
+  official_site: v.nullable(v.string()),
+});
+
+const tvEpisodeSchema = v.object({
+  ...baseItemSchema.entries,
+  type: v.literal('PerformanceProduction'),
+  episode_number: v.nullable(v.number()),
+});
+
+/**
+ * @category Schemas
+ * @see {@link https://neodb.social/developer}
+ */
+const itemSchema: v.BaseSchema<any, Item, v.BaseIssue<unknown>> = v.pipe(
+  v.any(),
+  v.variant('type', [
+    editionSchema,
+    tvShowSchema,
+    tvSeasonSchema,
+    movieSchema,
+    albumSchema,
+    podcastSchema,
+    gameSchema,
+    performanceSchema,
+    podcastEpisodeSchema,
+    performanceProductionSchema,
+    tvEpisodeSchema,
+  ]),
+);
+
+/**
+ * @category Entity types
+ */
+type Item = v.InferOutput<
+| typeof editionSchema
+| typeof tvShowSchema
+| typeof tvSeasonSchema
+| typeof movieSchema
+| typeof albumSchema
+| typeof podcastSchema
+| typeof gameSchema
+| typeof performanceSchema
+| typeof podcastEpisodeSchema
+| typeof performanceProductionSchema
+| typeof tvEpisodeSchema
+>;
+
+export {
+  editionSchema,
+  tvShowSchema,
+  tvSeasonSchema,
+  movieSchema,
+  albumSchema,
+  podcastSchema,
+  gameSchema,
+  performanceSchema,
+  podcastEpisodeSchema,
+  itemSchema,
+  type Item,
+};
diff --git a/packages/pl-api/lib/entities/review.ts b/packages/pl-api/lib/entities/review.ts
new file mode 100644
index 000000000..3b498607e
--- /dev/null
+++ b/packages/pl-api/lib/entities/review.ts
@@ -0,0 +1,30 @@
+import * as v from 'valibot';
+
+import { itemSchema } from './item';
+import { datetimeSchema } from './utils';
+
+/**
+ * @category Schemas
+ * @see {@link https://neodb.social/developer}
+ */
+const reviewSchema = v.object({
+  url: v.string(),
+  api_url: v.string(),
+  visibility: v.pipe(v.number(), v.minValue(0), v.maxValue(2)),
+  post_id: v.nullable(v.number()),
+  item: itemSchema,
+  created_time: datetimeSchema,
+  title: v.string(),
+  body: v.string(),
+  html_content: v.string(),
+});
+
+/**
+ * @category Entity types
+ */
+type Review = v.InferOutput<typeof reviewSchema>;
+
+export {
+  reviewSchema,
+  type Review,
+};