diff --git a/api/swagger.yaml b/api/swagger.yaml
new file mode 100644
index 0000000..ab3c04a
--- /dev/null
+++ b/api/swagger.yaml
@@ -0,0 +1,256 @@
+openapi: 3.0.0
+info:
+  title: SalvageDB API
+  description: API for checking vehicle history and VIN decoding
+  version: 1.0.0
+servers:
+  - url: /api
+    description: Main server
+
+paths:
+  /search:
+    post:
+      summary: Search vehicle by VIN
+      description: Search for vehicle information by VIN number
+      parameters:
+        - name: access_code
+          in: query
+          required: true
+          schema:
+            type: string
+          description: API access code for authentication
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                vin:
+                  type: string
+                  description: Vehicle Identification Number
+                  example: "1HGCM82633A123456"
+      responses:
+        '200':
+          description: Successful search
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  found:
+                    type: boolean
+                    description: Whether the vehicle was found
+                  details:
+                    type: object
+                    description: Vehicle details
+        '400':
+          description: Invalid VIN or access code
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  error:
+                    type: string
+                    description: Error description
+
+  /decode:
+    post:
+      summary: Decode VIN
+      description: Decode VIN number to get vehicle information
+      parameters:
+        - name: access_code
+          in: query
+          required: true
+          schema:
+            type: string
+          description: API access code for authentication
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                vin:
+                  type: string
+                  description: Vehicle Identification Number
+                  example: "1HGCM82633A123456"
+      responses:
+        '200':
+          description: Successful decoding
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  make:
+                    type: string
+                    description: Vehicle make
+                  model:
+                    type: string
+                    description: Vehicle model
+                  year:
+                    type: integer
+                    description: Manufacturing year
+        '400':
+          description: Invalid VIN or access code
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  error:
+                    type: string
+                    description: Error description
+
+  /detail/{vin}:
+    get:
+      summary: Get detailed information
+      description: Get detailed information about a vehicle by VIN
+      parameters:
+        - name: vin
+          in: path
+          required: true
+          schema:
+            type: string
+          description: Vehicle Identification Number
+        - name: access_code
+          in: query
+          required: true
+          schema:
+            type: string
+          description: API access code for authentication
+      responses:
+        '200':
+          description: Successful information retrieval
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  vin:
+                    type: string
+                    description: VIN number
+                  make:
+                    type: string
+                    description: Vehicle make
+                  model:
+                    type: string
+                    description: Vehicle model
+                  year:
+                    type: integer
+                    description: Manufacturing year
+                  history:
+                    type: array
+                    items:
+                      type: object
+                      properties:
+                        date:
+                          type: string
+                          format: date
+                          description: Event date
+                        event:
+                          type: string
+                          description: Event description
+        '404':
+          description: Vehicle not found
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  error:
+                    type: string
+                    description: Error description
+
+  /restfact:
+    get:
+      summary: Check account balance
+      description: Get current account balance and pricing information
+      parameters:
+        - name: access_code
+          in: query
+          required: true
+          schema:
+            type: string
+          description: API access code for authentication
+      responses:
+        '200':
+          description: Successful balance check
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  access_code:
+                    type: string
+                    description: API access code
+                  restfact:
+                    type: number
+                    description: Current account balance
+        '400':
+          description: Invalid access code
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  error:
+                    type: string
+                    description: Error description
+
+  /restfact_detail:
+    get:
+      summary: Get request history
+      description: Get detailed history of API requests for the last 45 days
+      parameters:
+        - name: access_code
+          in: query
+          required: true
+          schema:
+            type: string
+          description: API access code for authentication
+      responses:
+        '200':
+          description: Successful history retrieval
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  access_code:
+                    type: string
+                    description: API access code
+                  report:
+                    type: array
+                    items:
+                      type: object
+                      properties:
+                        VIN:
+                          type: string
+                          description: Vehicle Identification Number
+                        IP:
+                          type: string
+                          description: IP address used for request
+                        STATUS:
+                          type: string
+                          description: Request status (FOUND/NOT FOUND)
+                        DATETIME:
+                          type: string
+                          format: date-time
+                          description: Request date and time
+                        COST:
+                          type: number
+                          description: Cost of the request
+        '400':
+          description: Invalid access code
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  error:
+                    type: string
+                    description: Error description 
\ No newline at end of file
diff --git a/app.py b/app.py
index 9570033..a786cb2 100644
--- a/app.py
+++ b/app.py
@@ -1,4 +1,4 @@
-from flask import Flask, render_template, send_from_directory, make_response, request, redirect, session, g, json, send_file, abort
+from flask import Flask, render_template, send_from_directory, make_response, request, redirect, session, g, json, send_file, abort, jsonify
 import os
 import random
 import socket
@@ -12,6 +12,7 @@ import io
 import json 
 from expiring_dict import ExpiringDict
 import uuid
+from flask_swagger_ui import get_swaggerui_blueprint
 
 
 
@@ -34,6 +35,17 @@ os.environ['NLS_LANG'] = 'American_America.AL32UTF8'
 #Cache
 app.cache = ExpiringDict(60*60*24)
 
+# Swagger UI
+SWAGGER_URL = '/api/docs'
+API_URL = '/api/swagger.yaml'
+swaggerui_blueprint = get_swaggerui_blueprint(
+    SWAGGER_URL,
+    API_URL,
+    config={
+        'app_name': "SalvageDB API"
+    }
+)
+app.register_blueprint(swaggerui_blueprint, url_prefix=SWAGGER_URL)
 
 try:
     gips = open('gips.txt').read().split('\n')
@@ -767,6 +779,9 @@ def get_addr(req) -> str:
     except:
         return req
 
+@app.route('/api/swagger.yaml')
+def swagger_yaml():
+    return send_from_directory('api', 'swagger.yaml')
 
 if __name__ == '__main__':
     # Start a pool of connections