diff --git a/README.md b/README.md
index 346ce73..c262549 100644
--- a/README.md
+++ b/README.md
@@ -189,40 +189,61 @@ Jika tidak menyertakan token atau token salah, API akan mengembalikan response `
 
 ## 📡 Daftar Endpoint
 
-| Endpoint | Method | Auth | Fungsi |
+Base URL default:
+
+```bash
+http://localhost:8080
+```
+
+Jika menjalankan server dengan port lain, misalnya `py app.py --port 5000`, ganti `8080` menjadi `5000`.
+
+Semua request ke endpoint API wajib menyertakan header autentikasi:
+
+```bash
+Authorization: Bearer secret123
+```
+
+### Ringkasan Endpoint
+
+| Method | URL | Auth | Fungsi |
 |---|---|---|---|
-| `/` | `GET` | Tidak | Halaman playground UI |
-| `/api/enroll` | `GET` | Ya | List semua enrollment |
-| `/api/enroll?id=<id>` | `GET` | Ya | Mendapatkan detail enrollment berdasarkan ID |
-| `/api/enroll` | `POST` | Ya | Tambah, edit, atau hapus enrollment |
+| `GET` | `/api/enroll` | Ya | List semua enrollment |
+| `GET` | `/api/enroll?id=<id>` | Ya | Mendapatkan detail enrollment berdasarkan ID |
+| `POST` | `/api/enroll` | Ya | Tambah enrollment baru |
+| `POST` | `/api/enroll` | Ya | Edit enrollment berdasarkan `id` |
+| `POST` | `/api/enroll` | Ya | Hapus enrollment berdasarkan `id` |
+
+Endpoint `POST /api/enroll` dapat menerima data dalam format:
+
+- Form URL-encoded
+- JSON
 
 ---
 
-## 🧬 Database Schema
+## 🧪 Detail Endpoint
 
-Tabel: `enroll`
+### 1. `GET /api/enroll` — List Semua Enrollment
 
-| Kolom | Tipe | Keterangan |
-|---|---|---|
-| `id` | INTEGER | Primary key, auto-increment |
-| `type` | TEXT | Tipe enrollment, hanya boleh `Annually` atau `Monthly` |
-| `service` | TEXT | Paket layanan, hanya boleh `Lite`, `Value`, atau `Pro` |
-| `user` | TEXT | Nama pengguna |
+**Method:** `GET`
 
----
+**URL:**
 
-## 🧪 Penggunaan Endpoint
+```bash
+http://localhost:8080/api/enroll
+```
 
-### 1. List Semua Enrollment
+**Autentikasi:** wajib
 
-**Request**
+**Parameter request:** tidak ada
+
+**Contoh request:**
 
 ```bash
 curl -H "Authorization: Bearer secret123" \
   http://localhost:8080/api/enroll
 ```
 
-**Response**
+**Response sukses:**
 
 ```json
 {
@@ -243,18 +264,42 @@ curl -H "Authorization: Bearer secret123" \
 }
 ```
 
+**Response error jika token tidak valid:**
+
+```json
+{
+  "error": "invalid token"
+}
+```
+
 ---
 
-### 2. Detail Enrollment Berdasarkan ID
+### 2. `GET /api/enroll?id=<id>` — Detail Enrollment Berdasarkan ID
 
-**Request**
+**Method:** `GET`
+
+**URL:**
+
+```bash
+http://localhost:8080/api/enroll?id=1
+```
+
+**Autentikasi:** wajib
+
+**Parameter request:**
+
+| Parameter | Tipe | Wajib | Keterangan |
+|---|---|---|---|
+| `id` | integer | Ya | ID enrollment yang ingin dicari |
+
+**Contoh request:**
 
 ```bash
 curl -H "Authorization: Bearer secret123" \
   "http://localhost:8080/api/enroll?id=1"
 ```
 
-**Response**
+**Response sukses:**
 
 ```json
 {
@@ -267,7 +312,7 @@ curl -H "Authorization: Bearer secret123" \
 }
 ```
 
-Jika ID tidak ditemukan:
+**Response jika ID tidak ditemukan:**
 
 ```json
 {
@@ -277,12 +322,30 @@ Jika ID tidak ditemukan:
 
 ---
 
-### 3. Tambah Enrollment Baru
+### 3. `POST /api/enroll` — Tambah Enrollment Baru
 
-Endpoint `POST /api/enroll` dapat menerima data dalam format form-urlencoded atau JSON.
+**Method:** `POST`
+
+**URL:**
+
+```bash
+http://localhost:8080/api/enroll
+```
+
+**Autentikasi:** wajib
+
+**Request body:**
+
+| Field | Wajib | Keterangan |
+|---|---|---|
+| `type` | Ya | Harus `Annually` atau `Monthly` |
+| `service` | Ya | Harus `Lite`, `Value`, atau `Pro` |
+| `user` | Ya | Nama pengguna |
 
 #### Menggunakan Form Data
 
+**Contoh request:**
+
 ```bash
 curl -X POST http://localhost:8080/api/enroll \
   -H "Authorization: Bearer secret123" \
@@ -293,6 +356,8 @@ curl -X POST http://localhost:8080/api/enroll \
 
 #### Menggunakan JSON
 
+**Contoh request:**
+
 ```bash
 curl -X POST http://localhost:8080/api/enroll \
   -H "Authorization: Bearer secret123" \
@@ -304,7 +369,7 @@ curl -X POST http://localhost:8080/api/enroll \
   }'
 ```
 
-**Response**
+**Response sukses:**
 
 ```json
 {
@@ -313,14 +378,43 @@ curl -X POST http://localhost:8080/api/enroll \
 }
 ```
 
+**Response error jika field wajib kosong:**
+
+```json
+{
+  "error": "type, service, user are required"
+}
+```
+
 ---
 
-### 4. Edit Enrollment
+### 4. `POST /api/enroll` — Edit Enrollment
 
-Untuk melakukan edit, kirim field `id` bersama data baru.
+**Method:** `POST`
+
+**URL:**
+
+```bash
+http://localhost:8080/api/enroll
+```
+
+**Autentikasi:** wajib
+
+**Request body:**
+
+| Field | Wajib | Keterangan |
+|---|---|---|
+| `id` | Ya | ID enrollment yang ingin diubah |
+| `type` | Ya | Harus `Annually` atau `Monthly` |
+| `service` | Ya | Harus `Lite`, `Value`, atau `Pro` |
+| `user` | Ya | Nama pengguna |
+
+> Jangan kirim `action=remove` jika ingin melakukan edit. Kirim `action=remove` hanya untuk menghapus data.
 
 #### Menggunakan Form Data
 
+**Contoh request:**
+
 ```bash
 curl -X POST http://localhost:8080/api/enroll \
   -H "Authorization: Bearer secret123" \
@@ -332,6 +426,8 @@ curl -X POST http://localhost:8080/api/enroll \
 
 #### Menggunakan JSON
 
+**Contoh request:**
+
 ```bash
 curl -X POST http://localhost:8080/api/enroll \
   -H "Authorization: Bearer secret123" \
@@ -344,7 +440,7 @@ curl -X POST http://localhost:8080/api/enroll \
   }'
 ```
 
-**Response**
+**Response sukses:**
 
 ```json
 {
@@ -353,17 +449,39 @@ curl -X POST http://localhost:8080/api/enroll \
 }
 ```
 
+**Response jika ID tidak ditemukan:**
+
+```json
+{
+  "error": "not found"
+}
+```
+
 ---
 
-### 5. Hapus Enrollment
+### 5. `POST /api/enroll` — Hapus Enrollment
 
-Untuk menghapus data, gunakan `POST /api/enroll` dengan field:
+**Method:** `POST`
 
-- `id`
-- `action=remove`
+**URL:**
+
+```bash
+http://localhost:8080/api/enroll
+```
+
+**Autentikasi:** wajib
+
+**Request body:**
+
+| Field | Wajib | Keterangan |
+|---|---|---|
+| `id` | Ya | ID enrollment yang ingin dihapus |
+| `action` | Ya | Harus bernilai `remove` |
 
 #### Menggunakan Form Data
 
+**Contoh request:**
+
 ```bash
 curl -X POST http://localhost:8080/api/enroll \
   -H "Authorization: Bearer secret123" \
@@ -373,6 +491,8 @@ curl -X POST http://localhost:8080/api/enroll \
 
 #### Menggunakan JSON
 
+**Contoh request:**
+
 ```bash
 curl -X POST http://localhost:8080/api/enroll \
   -H "Authorization: Bearer secret123" \
@@ -383,7 +503,7 @@ curl -X POST http://localhost:8080/api/enroll \
   }'
 ```
 
-**Response**
+**Response sukses:**
 
 ```json
 {
@@ -392,6 +512,14 @@ curl -X POST http://localhost:8080/api/enroll \
 }
 ```
 
+**Response jika ID tidak ditemukan:**
+
+```json
+{
+  "error": "not found"
+}
+```
+
 ---
 
 ## 🧠 Logika `POST /api/enroll`