diff --git a/apps/loopover-ui/public/openapi.json b/apps/loopover-ui/public/openapi.json
index 1dd002703d..3ab78f7d8e 100644
--- a/apps/loopover-ui/public/openapi.json
+++ b/apps/loopover-ui/public/openapi.json
@@ -20901,11 +20901,25 @@
           },
           "400": {
             "description": "Malformed JSON or invalid payload shape"
+          },
+          "401": {
+            "description": "Missing or invalid ingest credential"
+          },
+          "403": {
+            "description": "Instance not authenticated"
+          },
+          "413": {
+            "description": "Batch exceeds the 1 MiB (MAX_ORB_INGEST_BODY_BYTES) body ceiling"
           }
         },
         "operationId": "postOrbIngest",
         "tags": [
           "ORB"
+        ],
+        "security": [
+          {
+            "OrbBearer": []
+          }
         ]
       }
     },
@@ -26063,7 +26077,7 @@
           }
         ],
         "responses": {
-          "202": {
+          "200": {
             "description": "Batch accepted"
           },
           "400": {
@@ -26071,6 +26085,9 @@
           },
           "401": {
             "description": "Missing or invalid ingest credential"
+          },
+          "413": {
+            "description": "Batch exceeds the 1 MiB (MAX_ORB_INGEST_BODY_BYTES) body ceiling"
           }
         }
       }
diff --git a/src/openapi/internal-and-public-route-specs.ts b/src/openapi/internal-and-public-route-specs.ts
index 6c5a60ade4..0bb6295a70 100644
--- a/src/openapi/internal-and-public-route-specs.ts
+++ b/src/openapi/internal-and-public-route-specs.ts
@@ -303,7 +303,31 @@ const MISC_ROUTES: SpecEntry[] = [
     // Its own shared-secret header, like the ORB ingress -- not a LoopOver bearer.
     auth: "orb",
     summary: "Ingest an AMS miner telemetry batch",
-    responses: { 202: { description: "Batch accepted" }, 400: { description: "Malformed batch" }, 401: { description: "Missing or invalid ingest credential" } },
+    // 200, not 202: the handler returns 200 on success, and that is the shipped, client-observed status. 413
+    // reflects the readOrbIngestBody 1 MiB (MAX_ORB_INGEST_BODY_BYTES) hard body ceiling.
+    responses: {
+      200: { description: "Batch accepted" },
+      400: { description: "Malformed batch" },
+      401: { description: "Missing or invalid ingest credential" },
+      413: { description: "Batch exceeds the 1 MiB (MAX_ORB_INGEST_BODY_BYTES) body ceiling" },
+    },
+  },
+  {
+    method: "post",
+    path: "/v1/orb/ingest",
+    operationId: "postOrbIngest",
+    tags: ["ORB"],
+    // Its own ORB_INGEST_TOKEN shared-secret bearer, not a LoopOver API token -- so auth: "orb", which is
+    // what derives the OrbBearer security stanza (the legacy registerPath block had none at all).
+    auth: "orb",
+    summary: "Ingest a batch of Orb events",
+    responses: {
+      200: { description: "Batch accepted; returns { accepted: number }" },
+      400: { description: "Malformed JSON or invalid payload shape" },
+      401: { description: "Missing or invalid ingest credential" },
+      403: { description: "Instance not authenticated" },
+      413: { description: "Batch exceeds the 1 MiB (MAX_ORB_INGEST_BODY_BYTES) body ceiling" },
+    },
   },
   {
     method: "post",
diff --git a/src/openapi/spec.ts b/src/openapi/spec.ts
index 3c12240af0..00bb22fdfb 100644
--- a/src/openapi/spec.ts
+++ b/src/openapi/spec.ts
@@ -1959,17 +1959,6 @@ export function buildOpenApiSpec() {
       404: { description: "Public stats disabled (same flag as /v1/public/stats)" },
     },
   });
-  registry.registerPath({
-    method: "post",
-    path: "/v1/orb/ingest",
-    operationId: "postOrbIngest",
-    tags: ["ORB"],
-    summary: "Ingest a batch of Orb events",
-    responses: {
-      200: { description: "Batch accepted; returns { accepted: number }" },
-      400: { description: "Malformed JSON or invalid payload shape" },
-    },
-  });
   registry.registerPath({
     method: "get",
     path: "/v1/auth/github/start",
diff --git a/test/unit/openapi-ingest-status-parity.test.ts b/test/unit/openapi-ingest-status-parity.test.ts
new file mode 100644
index 0000000000..fa716c04bf
--- /dev/null
+++ b/test/unit/openapi-ingest-status-parity.test.ts
@@ -0,0 +1,63 @@
+import { describe, expect, it } from "vitest";
+import { createApp } from "../../src/api/routes";
+import { buildOpenApiSpec } from "../../src/openapi/spec";
+import { MAX_ORB_INGEST_BODY_BYTES } from "../../src/orb/ingest";
+import { createTestEnv } from "../helpers/d1";
+
+// #9708: the two telemetry-ingest routes' PUBLISHED operations disagreed with their handlers -- AMS declared a
+// 202 it never returns (its real status is 200) and omitted 413; ORB was a legacy registerPath block declaring
+// only 200/400 with NO security stanza at all, despite carrying its own ORB_INGEST_TOKEN bearer. This test pins,
+// for BOTH routes, that the handler's real 401/413/200 statuses are exactly what the OpenAPI document declares.
+
+const AUTH = { authorization: "Bearer fleet-secret" };
+
+const ROUTES = [
+  {
+    path: "/v1/ams/ingest",
+    tokenEnv: "AMS_INGEST_TOKEN" as const,
+    // AMS batch shape (camelCase).
+    validBody: JSON.stringify({ instanceId: "abc0", events: [{ repoHash: "rhash", prHash: "phash", decision: "merged" }] }),
+  },
+  {
+    path: "/v1/orb/ingest",
+    tokenEnv: "ORB_INGEST_TOKEN" as const,
+    // ORB batch shape (snake_case) -- a first-contact instance ingests successfully (registered=0).
+    validBody: JSON.stringify({ instance_id: "abc0", events: [{ repo_hash: "rhash", pr_hash: "phash", outcome: "merged", reversal_flag: "none" }] }),
+  },
+];
+
+describe("ingest routes: handler status <-> OpenAPI declaration parity (#9708)", () => {
+  const app = createApp();
+
+  for (const route of ROUTES) {
+    const authedEnv = () => createTestEnv({ [route.tokenEnv]: "fleet-secret" } as Partial<Env>);
+
+    it(`${route.path}: 401 with no bearer, 413 when oversized, 200 for a valid authenticated batch`, async () => {
+      // No bearer -> 401 (the collector fails closed).
+      const noAuth = await app.request(route.path, { method: "POST", headers: { "content-type": "application/json" }, body: route.validBody }, authedEnv());
+      expect(noAuth.status).toBe(401);
+
+      // Over the 1 MiB readOrbIngestBody ceiling -> 413.
+      const oversized = await app.request(route.path, { method: "POST", headers: AUTH, body: "x".repeat(MAX_ORB_INGEST_BODY_BYTES + 16) }, authedEnv());
+      expect(oversized.status).toBe(413);
+
+      // Valid authenticated batch -> 200 (never the AMS 202 the spec used to claim).
+      const ok = await app.request(route.path, { method: "POST", headers: { "content-type": "application/json", ...AUTH }, body: route.validBody }, authedEnv());
+      expect(ok.status).toBe(200);
+    });
+
+    it(`${route.path}: the OpenAPI document declares each observed status (200, 401, 413), and never 202`, () => {
+      const responses = buildOpenApiSpec().paths[route.path]?.post?.responses ?? {};
+      const declared = Object.keys(responses);
+      expect(declared).toEqual(expect.arrayContaining(["200", "401", "413"]));
+      expect(declared).not.toContain("202");
+    });
+  }
+
+  it("/v1/orb/ingest carries its OrbBearer security stanza (it had none as a legacy registerPath block)", () => {
+    const op = buildOpenApiSpec().paths["/v1/orb/ingest"]?.post;
+    expect(op?.security).toEqual([{ OrbBearer: [] }]);
+    // 403 (instance_unauthenticated) is a real ORB-only status the AMS route never returns.
+    expect(Object.keys(op?.responses ?? {})).toContain("403");
+  });
+});