diff --git a/packages/ditto/storages/DittoAPIStore.ts b/packages/ditto/storages/DittoAPIStore.ts
index 26f3c2c6..42e08011 100644
--- a/packages/ditto/storages/DittoAPIStore.ts
+++ b/packages/ditto/storages/DittoAPIStore.ts
@@ -1,4 +1,54 @@
-import { DittoRelayStore } from '@/storages/DittoRelayStore.ts';
+import { DittoConf } from '@ditto/conf';
+import { DittoDB } from '@ditto/db';
+import { logi } from '@soapbox/logi';
+import { NostrEvent, NRelay } from '@nostrify/nostrify';
 
-export class DittoAPIStore extends DittoRelayStore {
+import { DittoRelayStore } from '@/storages/DittoRelayStore.ts';
+import { errorJson } from '@/utils/log.ts';
+import { purifyEvent } from '@/utils/purify.ts';
+
+interface DittoAPIStoreOpts {
+  db: DittoDB;
+  conf: DittoConf;
+  pool: NRelay;
+  relay: NRelay;
+  fetch?: typeof fetch;
+}
+
+/**
+ * Store used by Ditto's Mastodon API implementation.
+ * It extends the RelayStore to publish events to the wider Nostr network.
+ */
+export class DittoAPIStore extends DittoRelayStore {
+  _opts: DittoAPIStoreOpts;
+
+  private _ns = 'ditto.relay.store';
+
+  constructor(opts: DittoAPIStoreOpts) {
+    super(opts);
+    this._opts = opts;
+  }
+
+  override async event(event: NostrEvent, opts?: { signal?: AbortSignal }): Promise<void> {
+    const { pool } = this._opts;
+    const { id, kind } = event;
+
+    await super.event(event, opts);
+
+    (async () => {
+      try {
+        // `purifyEvent` is important, or you will suffer.
+        await pool.event(purifyEvent(event), opts);
+      } catch (e) {
+        logi({ level: 'error', ns: this._ns, source: 'publish', id, kind, error: errorJson(e) });
+      }
+    })();
+  }
+
+  override async close(): Promise<void> {
+    const { pool } = this._opts;
+
+    await pool.close();
+    await super.close();
+  }
 }
diff --git a/packages/ditto/storages/DittoRelayStore.test.ts b/packages/ditto/storages/DittoRelayStore.test.ts
index e589490b..66690efa 100644
--- a/packages/ditto/storages/DittoRelayStore.test.ts
+++ b/packages/ditto/storages/DittoRelayStore.test.ts
@@ -41,8 +41,6 @@ Deno.test('updateAuthorData sets nip05', async () => {
 function setupTest(cb: (req: Request) => Response | Promise<Response>) {
   const conf = new DittoConf(Deno.env);
   const db = new DittoPolyPg(conf.databaseUrl);
-
-  const pool = new MockRelay();
   const relay = new MockRelay();
 
   const mockFetch: typeof fetch = async (input, init) => {
@@ -50,7 +48,7 @@ function setupTest(cb: (req: Request) => Response | Promise<Response>) {
     return await cb(req);
   };
 
-  const store = new DittoRelayStore({ conf, db, relay, pool, fetch: mockFetch });
+  const store = new DittoRelayStore({ conf, db, relay, fetch: mockFetch });
 
   return {
     db,
diff --git a/packages/ditto/storages/DittoRelayStore.ts b/packages/ditto/storages/DittoRelayStore.ts
index a6f14025..1553d422 100644
--- a/packages/ditto/storages/DittoRelayStore.ts
+++ b/packages/ditto/storages/DittoRelayStore.ts
@@ -46,11 +46,11 @@ import { nip19 } from 'nostr-tools';
 interface DittoRelayStoreOpts {
   db: DittoDB;
   conf: DittoConf;
-  pool: NRelay;
   relay: NRelay;
   fetch?: typeof fetch;
 }
 
+/** Backing storage class for Ditto relay implementation at `/relay`. */
 export class DittoRelayStore implements NRelay {
   private push: DittoPush;
   private encounters = new LRUCache<string, true>({ max: 5000 });
@@ -60,7 +60,7 @@ export class DittoRelayStore implements NRelay {
   private faviconCache: SimpleLRU<string, URL>;
   private nip05Cache: SimpleLRU<string, nip19.ProfilePointer>;
 
-  private ns = 'ditto.apistore';
+  private ns = 'ditto.api.store';
 
   constructor(private opts: DittoRelayStoreOpts) {
     const { conf, db } = this.opts;
@@ -95,31 +95,6 @@ export class DittoRelayStore implements NRelay {
     );
   }
 
-  req(
-    filters: NostrFilter[],
-    opts?: { signal?: AbortSignal },
-  ): AsyncIterable<NostrRelayEVENT | NostrRelayEOSE | NostrRelayCLOSED> {
-    const { relay } = this.opts;
-    return relay.req(filters, opts);
-  }
-
-  async event(event: NostrEvent, opts?: { publish?: boolean; signal?: AbortSignal }): Promise<void> {
-    const { pool } = this.opts;
-    const { id, kind } = event;
-
-    await this.handleEvent(event, opts);
-
-    if (opts?.publish) {
-      (async () => {
-        try {
-          await pool.event(purifyEvent(event), opts);
-        } catch (e) {
-          logi({ level: 'error', ns: this.ns, source: 'publish', id, kind, error: errorJson(e) });
-        }
-      })();
-    }
-  }
-
   /** Open a firehose to the relay. */
   private async listen(): Promise<void> {
     const { relay } = this.opts;
@@ -128,16 +103,24 @@ export class DittoRelayStore implements NRelay {
     for await (const msg of relay.req([{ limit: 0 }], { signal })) {
       if (msg[0] === 'EVENT') {
         const [, , event] = msg;
-        await this.handleEvent(event, { signal });
+        await this.event(event, { signal });
       }
     }
   }
 
+  req(
+    filters: NostrFilter[],
+    opts?: { signal?: AbortSignal },
+  ): AsyncIterable<NostrRelayEVENT | NostrRelayEOSE | NostrRelayCLOSED> {
+    const { relay } = this.opts;
+    return relay.req(filters, opts);
+  }
+
   /**
    * Common pipeline function to process (and maybe store) events.
    * It is idempotent, so it can be called multiple times for the same event.
    */
-  private async handleEvent(event: DittoEvent, opts: { signal?: AbortSignal } = {}): Promise<void> {
+  async event(event: DittoEvent, opts: { publish?: boolean; signal?: AbortSignal } = {}): Promise<void> {
     const { conf, relay } = this.opts;
     const { signal } = opts;
 
@@ -474,11 +457,10 @@ export class DittoRelayStore implements NRelay {
   }
 
   async close(): Promise<void> {
-    const { relay, pool } = this.opts;
+    const { relay } = this.opts;
 
     this.controller.abort();
 
-    await pool.close();
     await relay.close();
   }