diff --git a/app/resources/js/api/requisites.ts b/app/resources/js/api/requisites.ts
new file mode 100644
index 00000000..9413ab0e
--- /dev/null
+++ b/app/resources/js/api/requisites.ts
@@ -0,0 +1,48 @@
+import { apiClient, ensureCsrfCookie } from './client';
+
+/** Реквизиты тенанта. Совпадает с RequisitesResource (бэкенд SP2). */
+export interface Requisites {
+    subject_type: 'individual' | 'sole_proprietor' | 'legal_entity' | null;
+    contact_name: string | null;
+    contact_phone: string | null;
+    inn: string | null;
+    legal_name: string | null;
+    kpp: string | null;
+    ogrn: string | null;
+    legal_address: string | null;
+    bank_name: string | null;
+    bank_bik: string | null;
+    bank_account: string | null;
+    corr_account: string | null;
+    requisites_completed_at: string | null;
+}
+
+/** Ответ POST /lookup-inn (мягкая подтяжка по DaData). */
+export interface InnLookupResult {
+    found: boolean;
+    legal_name?: string;
+    kpp?: string;
+    ogrn?: string;
+    legal_address?: string;
+    subject_type_hint?: 'sole_proprietor' | 'legal_entity';
+}
+
+/** GET /api/tenant/requisites — null если ещё не заполнялись. */
+export async function getRequisites(): Promise<Requisites | null> {
+    const { data } = await apiClient.get('/api/tenant/requisites');
+    return data.data ?? null;
+}
+
+/** PUT /api/tenant/requisites — upsert, возвращает сохранённое. */
+export async function updateRequisites(payload: Partial<Requisites>): Promise<Requisites> {
+    await ensureCsrfCookie();
+    const { data } = await apiClient.put('/api/tenant/requisites', payload);
+    return data.data;
+}
+
+/** POST /api/tenant/requisites/lookup-inn — ничего не сохраняет. */
+export async function lookupInn(inn: string): Promise<InnLookupResult> {
+    await ensureCsrfCookie();
+    const { data } = await apiClient.post('/api/tenant/requisites/lookup-inn', { inn });
+    return data;
+}