diff --git a/.changeset/correct-blocked-reason.md b/.changeset/correct-blocked-reason.md
new file mode 100644
index 0000000..81545e0
--- /dev/null
+++ b/.changeset/correct-blocked-reason.md
@@ -0,0 +1,5 @@
+---
+"@senderkit/sdk": patch
+---
+
+Correct the `blocked` message documentation. The detailed abuse-scan trigger is operator-only and is never returned on the public message read surface (`messages.list` / `messages.get`), so the previously-documented `Message.blockedReason` field (which the API never populated) has been removed. A blocked message is identified by its `blocked` status and a generic entry on its `timeline`. The `blocked` status itself is unchanged.
diff --git a/packages/sdk/src/mcp-schemas.ts b/packages/sdk/src/mcp-schemas.ts
index 0dec5e3..5d46121 100644
--- a/packages/sdk/src/mcp-schemas.ts
+++ b/packages/sdk/src/mcp-schemas.ts
@@ -122,7 +122,8 @@ const emailEnvelope = {
  * The ten message lifecycle statuses (mirrors the app's `messageStatusEnum`).
  * Bounces normalize to `failed` with the reason on the message timeline.
  * `blocked` is a terminal state set when the outbound abuse scanner halts a
- * send (the human-readable trigger is on the message's `blockedReason`).
+ * send. The detailed trigger is operator-only and is never returned on the
+ * message; a blocked message carries only a generic reason on its timeline.
  */
 export const MESSAGE_STATUSES = [
   "scheduled",
diff --git a/packages/sdk/src/types.ts b/packages/sdk/src/types.ts
index a3345e7..7b14769 100644
--- a/packages/sdk/src/types.ts
+++ b/packages/sdk/src/types.ts
@@ -195,15 +195,15 @@ export interface Message {
   publicId: string;
   /**
    * Lifecycle status (one of `MESSAGE_STATUSES`). A `blocked` message was
-   * halted by the outbound abuse scanner; `blockedReason` carries the trigger.
+   * halted by the outbound abuse scanner. The detailed trigger is operator-only
+   * and is not returned here — a blocked message exposes only its `blocked`
+   * status and a generic entry on its `timeline`.
    */
   status: string;
   channel: Channel;
   templateSlug: string | null;
   recipient: string;
   createdAt: string;
-  /** Human-readable reason a `blocked` message was halted. Absent otherwise. */
-  blockedReason?: string | null;
   [key: string]: unknown;
 }