diff --git a/src/lib/chatwootApi.ts b/src/lib/chatwootApi.ts
new file mode 100644
index 0000000..4522829
--- /dev/null
+++ b/src/lib/chatwootApi.ts
@@ -0,0 +1,69 @@
+const API_URL = import.meta.env.VITE_CHATWOOT_API_URL
+const API_TOKEN = import.meta.env.VITE_CHATWOOT_API_TOKEN
+
+if (!API_URL || !API_TOKEN) {
+  console.warn('VITE_CHATWOOT_API_URL / VITE_CHATWOOT_API_TOKEN nao definidos')
+}
+
+export interface CreateReservationInput {
+  chatwoot_unit_id: number
+  category: string
+  stay_type: string
+  checkin_at: string // ISO
+  customer: {
+    name: string
+    phone: string
+    cpf: string
+    email?: string
+  }
+  total_cents: number
+  deposit_cents: number
+  notes?: string
+}
+
+export interface CreateReservationResponse {
+  reservation_id: number
+  conversation_id: number
+  pix: {
+    txid: string
+    copia_e_cola: string
+    qrcode_base64: string | null
+    expires_at: string
+  }
+}
+
+export interface StatusResponse {
+  reservation_id: number
+  status: 'pending' | 'paid' | 'expired' | 'canceled'
+}
+
+async function request<T>(path: string, init: RequestInit = {}): Promise<T> {
+  const res = await fetch(`${API_URL}${path}`, {
+    ...init,
+    headers: {
+      'Content-Type': 'application/json',
+      'X-Reserva-Token': API_TOKEN,
+      ...(init.headers ?? {}),
+    },
+  })
+
+  if (!res.ok) {
+    const body = await res.text().catch(() => '')
+    throw new Error(`Chatwoot API ${res.status}: ${body || res.statusText}`)
+  }
+
+  return (await res.json()) as T
+}
+
+export const chatwootApi = {
+  createReservation(input: CreateReservationInput): Promise<CreateReservationResponse> {
+    return request('/public/api/v1/captain/public_reservations', {
+      method: 'POST',
+      body: JSON.stringify(input),
+    })
+  },
+
+  getStatus(id: number): Promise<StatusResponse> {
+    return request(`/public/api/v1/captain/public_reservations/${id}/status`)
+  },
+}