diff --git a/typescript/server/src/server/router/api/v1/import/router.test.ts b/typescript/server/src/server/router/api/v1/import/router.test.ts
index 8af962d7e..a83e1c35d 100644
--- a/typescript/server/src/server/router/api/v1/import/router.test.ts
+++ b/typescript/server/src/server/router/api/v1/import/router.test.ts
@@ -6,6 +6,52 @@ import { afterAll, describe, expect, it } from "vitest";
 
 afterAll(() => CloseServerConnection());
 
+describe("POST /api/v1/import/from-api", () => {
+	it("returns 400 when the import type is not enabled on this instance", async () => {
+		const { id: userId } = await seedUser({
+			username: "from_api_disabled_type",
+			withCredential: true,
+			withSettings: true,
+		});
+		await seedApiToken({
+			token: "from_api_disabled",
+			userId,
+			submitScore: true,
+		});
+
+		const res = await mockApi
+			.post("/api/v1/import/from-api")
+			.set("Authorization", "Bearer from_api_disabled")
+			.send({ importType: "api/cg-dev-sdvx" });
+
+		expect(res.status).toBe(400);
+		expect(res.body.success).toBe(false);
+		expect(String(res.body.description)).toMatch(/not enabled on this instance/iu);
+	});
+
+	it("returns 400 for non-API import types", async () => {
+		const { id: userId } = await seedUser({
+			username: "from_api_wrong_type",
+			withCredential: true,
+			withSettings: true,
+		});
+		await seedApiToken({
+			token: "from_api_wrong",
+			userId,
+			submitScore: true,
+		});
+
+		const res = await mockApi
+			.post("/api/v1/import/from-api")
+			.set("Authorization", "Bearer from_api_wrong")
+			.send({ importType: "file/batch-manual" });
+
+		expect(res.status).toBe(400);
+		expect(res.body.success).toBe(false);
+		expect(String(res.body.description)).toMatch(/Invalid import type/iu);
+	});
+});
+
 describe("import/orphans auth", () => {
 	it("returns 403 for unauthenticated GET list", async () => {
 		const res = await mockApi.get("/api/v1/import/orphans");
diff --git a/typescript/server/src/server/router/api/v1/import/router.ts b/typescript/server/src/server/router/api/v1/import/router.ts
index f56fe2df4..8d6d33a70 100644
--- a/typescript/server/src/server/router/api/v1/import/router.ts
+++ b/typescript/server/src/server/router/api/v1/import/router.ts
@@ -20,7 +20,8 @@ import { Random20Hex } from "#utils/misc";
 import { FormatUserDoc, GetUserWithIDGuaranteed } from "#utils/user";
 import { ExpectedErr } from "bliss";
 import { p } from "prudence";
-import { type FileUploadImportTypes, type V3Game } from "tachi-common";
+import { type APIImportTypes, type FileUploadImportTypes, type V3Game } from "tachi-common";
+import { apiImportTypes } from "tachi-common/constants/import-types";
 
 import { API_V1_ROUTER } from "../_singleton";
 
@@ -28,6 +29,22 @@ const ParseMultipartScoredata = CreateMulterSingleUploadMiddleware("scoreData",
 
 const fileImportTypes = TachiConfig.IMPORT_TYPES.filter((e) => e.startsWith("file/"));
 
+const enabledApiImportTypes = TachiConfig.IMPORT_TYPES.filter((e): e is APIImportTypes =>
+	e.startsWith("api/"),
+);
+
+function assertEnabledApiImportType(importType: string): APIImportTypes {
+	if (!apiImportTypes.includes(importType as APIImportTypes)) {
+		throw new ExpectedErr(400, `Invalid import type: ${importType}`);
+	}
+
+	if (!enabledApiImportTypes.includes(importType as APIImportTypes)) {
+		throw new ExpectedErr(400, `Import type "${importType}" is not enabled on this instance.`);
+	}
+
+	return importType as APIImportTypes;
+}
+
 /**
  * Import scores from a file. Expects the post request to be multipart,
  * and to provide a scoreData file.
@@ -91,8 +108,7 @@ API_V1_ROUTER.rawAdd(
  * @name POST /api/v1/import/from-api
  */
 API_V1_ROUTER.add("POST /import/from-api", async ({ input, req }) => {
-	// eslint-disable-next-line @typescript-eslint/no-explicit-any
-	const importType = input.importType as any;
+	const importType = assertEnabledApiImportType(input.importType);
 	const importID = Random20Hex();
 	const userID = req[SYMBOL_TACHI_API_AUTH].userID!;
 	const userIntent = req.header("X-User-Intent")?.toLowerCase() === "true";