diff --git a/docs/api.md b/docs/api.md
index 83471bb..6657028 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -4,12 +4,17 @@ This document describes the HTTP API for the NTP Timeturner application.
 
 ## Endpoints
 
-### Status
+### Status and Logs
 
 - **`GET /api/status`**
 
   Retrieves the real-time status of the LTC reader and system clock synchronization. The `ltc_timecode` field uses `:` as a separator for non-drop-frame timecode, and `;` for drop-frame timecode between seconds and frames (e.g., `10:20:30;00`).
 
+  **Possible values for status fields:**
+  - `ltc_status`: `"LOCK"`, `"FREE"`, or `"(waiting)"`
+  - `sync_status`: `"IN SYNC"`, `"CLOCK AHEAD"`, `"CLOCK BEHIND"`, `"TIMETURNING"`
+  - `jitter_status`: `"GOOD"`, `"AVERAGE"`, `"BAD"`
+
   **Example Response:**
   ```json
   {
@@ -25,11 +30,23 @@ This document describes the HTTP API for the NTP Timeturner application.
     "lock_ratio": 99.5,
     "ntp_active": true,
     "interfaces": ["192.168.1.100"],
-    "hardware_offset_ms": 0
+    "hardware_offset_ms": 20
   }
   ```
 
-### Sync
+- **`GET /api/logs`**
+
+  Retrieves the last 100 log entries from the application.
+
+  **Example Response:**
+  ```json
+  [
+    "2025-08-07 10:00:00 [INFO] Starting TimeTurner daemon...",
+    "2025-08-07 10:00:01 [INFO] Found serial port: /dev/ttyACM0"
+  ]
+  ```
+
+### System Clock Control
 
 - **`POST /api/sync`**
 
@@ -37,7 +54,7 @@ This document describes the HTTP API for the NTP Timeturner application.
 
   **Request Body:** None
 
-  **Success Response:**
+  **Success Response (200 OK):**
   ```json
   {
     "status": "success",
@@ -45,13 +62,14 @@ This document describes the HTTP API for the NTP Timeturner application.
   }
   ```
 
-  **Error Responses:**
+  **Error Response (400 Bad Request):**
   ```json
   {
     "status": "error",
     "message": "No LTC timecode available to sync to."
   }
   ```
+  **Error Response (500 Internal Server Error):**
   ```json
   {
     "status": "error",
@@ -59,6 +77,32 @@ This document describes the HTTP API for the NTP Timeturner application.
   }
   ```
 
+- **`POST /api/nudge_clock`**
+
+  Nudges the system clock by a specified number of microseconds. This requires `sudo` privileges to run `adjtimex`.
+
+  **Example Request:**
+  ```json
+  {
+    "microseconds": -2000
+  }
+  ```
+  **Success Response (200 OK):**
+  ```json
+  {
+    "status": "success",
+    "message": "Clock nudge command issued."
+  }
+  ```
+  **Error Response (500 Internal Server Error):**
+  ```json
+  {
+    "status": "error",
+    "message": "Clock nudge command failed."
+  }
+  ```
+
+
 - **`POST /api/set_date`**
 
   Sets the system date. This is useful as LTC does not contain date information. Requires `sudo` privileges.
@@ -70,7 +114,7 @@ This document describes the HTTP API for the NTP Timeturner application.
   }
   ```
 
-  **Success Response:**
+  **Success Response (200 OK):**
   ```json
   {
     "status": "success",
@@ -78,7 +122,7 @@ This document describes the HTTP API for the NTP Timeturner application.
   }
   ```
 
-  **Error Response:**
+  **Error Response (500 Internal Server Error):**
   ```json
   {
     "status": "error",
@@ -90,29 +134,63 @@ This document describes the HTTP API for the NTP Timeturner application.
 
 - **`GET /api/config`**
 
-  Retrieves the current application configuration.
+  Retrieves the current application configuration from `config.yml`.
 
-  **Example Response:**
+  **Example Response (200 OK):**
   ```json
   {
-    "hardware_offset_ms": 0
+    "hardwareOffsetMs": 20,
+    "timeturnerOffset": {
+      "hours": 0,
+      "minutes": 0,
+      "seconds": 0,
+      "frames": 0,
+      "milliseconds": 0
+    },
+    "defaultNudgeMs": 2,
+    "autoSyncEnabled": false
   }
   ```
 
 - **`POST /api/config`**
 
-  Updates the `hardware_offset_ms` configuration. The new value is persisted to `config.json` and reloaded by the application automatically.
+  Updates the application configuration. The new configuration is persisted to `config.yml` and takes effect immediately.
 
   **Example Request:**
   ```json
   {
-    "hardware_offset_ms": 10
+    "hardwareOffsetMs": 55,
+    "timeturnerOffset": {
+      "hours": 1,
+      "minutes": 2,
+      "seconds": 3,
+      "frames": 4,
+      "milliseconds": 5
+    },
+    "defaultNudgeMs": 2,
+    "autoSyncEnabled": true
   }
   ```
 
-  **Success Response:**
+  **Success Response (200 OK):** (Returns the updated configuration)
   ```json
   {
-    "hardware_offset_ms": 10
+    "hardwareOffsetMs": 55,
+    "timeturnerOffset": {
+      "hours": 1,
+      "minutes": 2,
+      "seconds": 3,
+      "frames": 4,
+      "milliseconds": 5
+    },
+    "defaultNudgeMs": 2,
+    "autoSyncEnabled": true
+  }
+  ```
+  **Error Response (500 Internal Server Error):**
+  ```json
+  {
+    "status": "error",
+    "message": "Failed to write config.yml"
   }
   ```