diff --git a/openapi.json b/openapi.json
new file mode 100644
index 0000000..ba29648
--- /dev/null
+++ b/openapi.json
@@ -0,0 +1,653 @@
+{
+  "openapi": "3.0.3",
+  "info": {
+    "title": "Juadah API",
+    "description": "E-commerce for backery",
+    "version": "0.3.0"
+  },
+  "servers": [
+    {
+      "url": "https://juadah-backend.vercel.app"
+    },
+    {
+      "url": "http://localhost:3000"
+    }
+  ],
+  "tags": [
+    {
+      "name": "Authentication"
+    },
+    {
+      "name": "Products"
+    }
+  ],
+  "components": {
+    "securitySchemes": {
+      "cookieAuth": {
+        "type": "apiKey",
+        "in": "cookie",
+        "name": "accessToken"
+      }
+    },
+    "headers": {
+      "Set-Cookie-accessToken": {
+        "description": "access token cookie.",
+        "schema": {
+          "type": "string",
+          "example": "accessToken=abcde12345; Path=/; HttpOnly"
+        }
+      },
+      "Set-Cookie-refreshToken": {
+        "description": "refresh token cookie.",
+        "schema": {
+          "type": "string",
+          "example": "refreshToken=token12345; Path=/api/refresh; Secure"
+        }
+      }
+    },
+    "examples": {
+      "ValidationError": {
+        "value": {
+          "status": "fail",
+          "errors": {
+            "code": 400,
+            "message": "validation error",
+            "details": {
+              "email": "invalid email format",
+              "password": "password should have minimum 6 characters length"
+            }
+          }
+        }
+      },
+      "InvalidCredentials": {
+        "value": {
+          "status": "fail",
+          "errors": {
+            "code": 400,
+            "message": "email or password is incorrect"
+          }
+        }
+      },
+      "NotFound": {
+        "value": {
+          "status": "fail",
+          "errors": {
+            "code": 404,
+            "message": "resource you're looking for is not found"
+          }
+        }
+      }
+    },
+    "schemas": {
+      "CreateProducts": {
+        "required": ["name", "price"],
+        "type": "object",
+        "properties": {
+          "name": {
+            "type": "string"
+          },
+          "description": {
+            "type": "string"
+          },
+          "price": {
+            "type": "number"
+          },
+          "images": {
+            "type": "string",
+            "format": "binary"
+          }
+        }
+      },
+      "ErrorResponse": {
+        "type": "object",
+        "properties": {
+          "status": {
+            "type": "string"
+          },
+          "errors": {
+            "type": "object",
+            "properties": {
+              "code": {
+                "type": "number"
+              },
+              "message": {
+                "type": "string"
+              },
+              "details": {
+                "type": "object"
+              }
+            },
+            "required": ["code", "message"]
+          }
+        }
+      },
+      "SuccessResponse": {
+        "type": "object",
+        "properties": {
+          "status": {
+            "type": "string",
+            "example": "success"
+          },
+          "data": {
+            "type": "object"
+          }
+        }
+      }
+    }
+  },
+  "paths": {
+    "/api/register": {
+      "post": {
+        "summary": "create new account",
+        "tags": ["Authentication"],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "type": "object",
+                "properties": {
+                  "email": {
+                    "type": "string"
+                  },
+                  "fullname": {
+                    "type": "string"
+                  },
+                  "password": {
+                    "type": "string"
+                  },
+                  "passwordConfirmation": {
+                    "type": "string"
+                  }
+                }
+              }
+            }
+          }
+        },
+        "responses": {
+          "201": {
+            "description": "account created successfully",
+            "headers": {
+              "Set-Cookie-accessToken": {
+                "$ref": "#/components/headers/Set-Cookie-accessToken"
+              },
+              "Set-Cookie-refreshToken": {
+                "$ref": "#/components/headers/Set-Cookie-refreshToken"
+              }
+            },
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/SuccessResponse"
+                },
+                "example": {
+                  "status": "success",
+                  "data": {
+                    "users": {
+                      "id": 1,
+                      "fullname": "zulfikar",
+                      "email": "email@example.com"
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "bad request - validation error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                },
+                "examples": {
+                  "validation error": {
+                    "$ref": "#/components/examples/ValidationError"
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/api/login": {
+      "post": {
+        "summary": "login to existing account",
+        "tags": ["Authentication"],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "type": "object",
+                "properties": {
+                  "email": {
+                    "type": "string"
+                  },
+                  "password": {
+                    "type": "string"
+                  }
+                }
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "successfully login to existing account",
+            "headers": {
+              "Set-Cookie-accessToken": {
+                "$ref": "#/components/headers/Set-Cookie-accessToken"
+              },
+              "Set-Cookie-refreshToken": {
+                "$ref": "#/components/headers/Set-Cookie-refreshToken"
+              }
+            },
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/SuccessResponse"
+                },
+                "example": {
+                  "status": "success",
+                  "data": {
+                    "users": {
+                      "id": 1,
+                      "fullname": "zulfikar",
+                      "email": "email@example.com"
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "validation error or invalid credentials",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                },
+                "examples": {
+                  "validation error": {
+                    "$ref": "#/components/examples/ValidationError"
+                  },
+                  "invalid email or password": {
+                    "$ref": "#/components/examples/InvalidCredentials"
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/api/refresh": {
+      "get": {
+        "summary": "renew access token",
+        "tags": ["Authentication"],
+        "parameters": [
+          {
+            "in": "cookie",
+            "name": "refreshToken",
+            "required": true,
+            "schema": {
+              "type": "string",
+              "example": "token123"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "successfully renew access token",
+            "headers": {
+              "Set-Cookie-accessToken": {
+                "$ref": "#/components/headers/Set-Cookie-accessToken"
+              },
+              "Set-Cookie-refreshToken": {
+                "$ref": "#/components/headers/Set-Cookie-refreshToken"
+              }
+            },
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/SuccessResponse"
+                },
+                "example": {
+                  "status": "success",
+                  "data": {
+                    "users": {
+                      "id": 1,
+                      "fullname": "zulfikar",
+                      "email": "email@example.com"
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "bad request",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                },
+                "examples": {
+                  "empty refresh token": {
+                    "value": {
+                      "status": "fail",
+                      "errors": {
+                        "code": 400,
+                        "message": "invalid request, refresh token unavailable"
+                      }
+                    }
+                  },
+                  "invalid refresh token": {
+                    "value": {
+                      "status": "fail",
+                      "errors": {
+                        "code": 400,
+                        "message": "invalid request, refresh token is invalid"
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/api/products": {
+      "get": {
+        "summary": "get products with infinite scroll features",
+        "description": "this is done because we have infinite scrolling endpoint, you can request the infinite products by adding query parameter",
+        "parameters": [
+          {
+            "in": "query",
+            "required": false,
+            "name": "last_id",
+            "description": "by providing the last_id query params, you can get the next 50 products from the last id you provided here. for example if you put last_id 50 you'll receive the next 50 products from 51-100.",
+            "schema": {
+              "type": "number",
+              "example": 50
+            }
+          }
+        ],
+        "tags": ["Products"],
+        "security": [
+          {
+            "cookieAuth": []
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "successfully get the first 50 products",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/SuccessResponse"
+                },
+                "example": {
+                  "status": "success",
+                  "data": {
+                    "meta": {
+                      "lastProductId": 2
+                    },
+                    "products": [
+                      {
+                        "id": 1,
+                        "name": "Kue Bolu",
+                        "description": "Kue bolu paling enak",
+                        "price": 10000,
+                        "images": ["path/to/images.png", "path/to/images.png"]
+                      },
+                      {
+                        "id": 2,
+                        "name": "Kue Kotak",
+                        "description": null,
+                        "price": 10000,
+                        "images": null
+                      }
+                    ]
+                  }
+                }
+              }
+            }
+          },
+          "404": {
+            "description": "no products found",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                },
+                "examples": {
+                  "not found": {
+                    "$ref": "#/components/examples/NotFound"
+                  }
+                }
+              }
+            }
+          }
+        }
+      },
+      "post": {
+        "summary": "create new product",
+        "tags": ["Products"],
+        "security": [
+          {
+            "cookieAuth": []
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "multipart/form-data": {
+              "schema": {
+                "$ref": "#/components/schemas/CreateProducts"
+              }
+            }
+          }
+        },
+        "responses": {
+          "201": {
+            "description": "products created",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/SuccessResponse"
+                },
+                "example": {
+                  "status": "success",
+                  "data": {
+                    "products": {
+                      "id": 1,
+                      "name": "Kue Bolu",
+                      "description": "Kue paling enak",
+                      "price": 10000,
+                      "images": ["path/to/image.png", "path/to/image.jpg"]
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "validation error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                },
+                "example": {
+                  "status": "fail",
+                  "errors": {
+                    "code": 400,
+                    "message": "validation error",
+                    "details": {
+                      "name": "product name cannot be empty",
+                      "price": "product price cannot be empty",
+                      "images": "image extension is not supported"
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "500": {
+            "description": "server error",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                },
+                "example": {
+                  "status": "fail",
+                  "errors": {
+                    "code": 500,
+                    "message": "fail to create product and this is not your fault, please try again later"
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/api/products/{id}": {
+      "get": {
+        "tags": ["Products"],
+        "security": [
+          {
+            "cookieAuth": []
+          }
+        ],
+        "summary": "get product by id",
+        "parameters": [
+          {
+            "in": "path",
+            "name": "id",
+            "description": "product id",
+            "schema": {
+              "type": "number"
+            },
+            "required": true,
+            "example": 1
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "product found",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/SuccessResponse"
+                },
+                "example": {
+                  "status": "success",
+                  "data": {
+                    "products": {
+                      "id": 1,
+                      "name": "Kue Bolu",
+                      "description": "Kue bolu paling enak",
+                      "price": 1000,
+                      "images": ["path/to/image.png"]
+                    }
+                  }
+                }
+              }
+            }
+          },
+          "404": {
+            "description": "product with specified id is not found",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/ErrorResponse"
+                },
+                "examples": {
+                  "not found": {
+                    "$ref": "#/components/examples/NotFound"
+                  }
+                }
+              }
+            }
+          }
+        }
+      },
+      "put": {
+        "summary": "update product",
+        "parameters": [
+          {
+            "in": "path",
+            "name": "id",
+            "description": "product id",
+            "schema": {
+              "type": "number"
+            },
+            "required": true,
+            "example": 1
+          }
+        ],
+        "security": [
+          {
+            "cookieAuth": []
+          }
+        ],
+        "tags": ["Products"],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "multipart/form-data": {
+              "schema": {
+                "type": "object",
+                "properties": {
+                  "name": {
+                    "type": "string"
+                  },
+                  "description": {
+                    "type": "string"
+                  },
+                  "price": {
+                    "type": "number"
+                  },
+                  "images.removed": {
+                    "type": "array",
+                    "description": "List of image identifiers to remove",
+                    "items": {
+                      "type": "string"
+                    }
+                  },
+                  "images": {
+                    "type": "array",
+                    "description": "List of new images to upload",
+                    "items": {
+                      "type": "string",
+                      "format": "binary"
+                    }
+                  }
+                }
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "update product success",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/SuccessResponse"
+                },
+                "example": null
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/package-lock.json b/package-lock.json
index c45be09..843482c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,6 +24,7 @@
         "nodemailer": "^6.9.15",
         "pino": "^9.5.0",
         "pino-http": "^10.3.0",
+        "swagger-ui-express": "^5.0.1",
         "xss-filters": "^1.2.7",
         "zod": "^3.23.8"
       },
@@ -38,6 +39,7 @@
         "@types/multer": "^1.4.12",
         "@types/node": "^22.5.4",
         "@types/nodemailer": "^6.4.16",
+        "@types/swagger-ui-express": "^4.1.7",
         "@types/xss-filters": "^0.0.30",
         "husky": "^9.1.5",
         "jest": "^29.7.0",
@@ -1406,6 +1408,13 @@
         "@prisma/debug": "5.20.0"
       }
     },
+    "node_modules/@scarf/scarf": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/@scarf/scarf/-/scarf-1.4.0.tgz",
+      "integrity": "sha512-xxeapPiUXdZAE3che6f3xogoJPeZgig6omHEy1rIY5WVsB3H2BHNnZH+gHG6x91SCWyQCzWGsuL2Hh3ClO5/qQ==",
+      "hasInstallScript": true,
+      "license": "Apache-2.0"
+    },
     "node_modules/@sinclair/typebox": {
       "version": "0.27.8",
       "resolved": "https://registry.npmjs.org/@sinclair/typebox/-/typebox-0.27.8.tgz",
@@ -1743,6 +1752,17 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@types/swagger-ui-express": {
+      "version": "4.1.7",
+      "resolved": "https://registry.npmjs.org/@types/swagger-ui-express/-/swagger-ui-express-4.1.7.tgz",
+      "integrity": "sha512-ovLM9dNincXkzH4YwyYpll75vhzPBlWx6La89wwvYH7mHjVpf0X0K/vR/aUM7SRxmr5tt9z7E5XJcjQ46q+S3g==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/express": "*",
+        "@types/serve-static": "*"
+      }
+    },
     "node_modules/@types/xss-filters": {
       "version": "0.0.30",
       "resolved": "https://registry.npmjs.org/@types/xss-filters/-/xss-filters-0.0.30.tgz",
@@ -6924,6 +6944,30 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/swagger-ui-dist": {
+      "version": "5.18.2",
+      "resolved": "https://registry.npmjs.org/swagger-ui-dist/-/swagger-ui-dist-5.18.2.tgz",
+      "integrity": "sha512-J+y4mCw/zXh1FOj5wGJvnAajq6XgHOyywsa9yITmwxIlJbMqITq3gYRZHaeqLVH/eV/HOPphE6NjF+nbSNC5Zw==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@scarf/scarf": "=1.4.0"
+      }
+    },
+    "node_modules/swagger-ui-express": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/swagger-ui-express/-/swagger-ui-express-5.0.1.tgz",
+      "integrity": "sha512-SrNU3RiBGTLLmFU8GIJdOdanJTl4TOmT27tt3bWWHppqYmAZ6IDuEuBvMU6nZq0zLEe6b/1rACXCgLZqO6ZfrA==",
+      "license": "MIT",
+      "dependencies": {
+        "swagger-ui-dist": ">=5.0.0"
+      },
+      "engines": {
+        "node": ">= v0.10.32"
+      },
+      "peerDependencies": {
+        "express": ">=4.0.0 || >=5.0.0-beta"
+      }
+    },
     "node_modules/tar": {
       "version": "6.2.1",
       "resolved": "https://registry.npmjs.org/tar/-/tar-6.2.1.tgz",
diff --git a/package.json b/package.json
index 15e4dfe..4c7676a 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,7 @@
     "nodemailer": "^6.9.15",
     "pino": "^9.5.0",
     "pino-http": "^10.3.0",
+    "swagger-ui-express": "^5.0.1",
     "xss-filters": "^1.2.7",
     "zod": "^3.23.8"
   },
@@ -51,6 +52,7 @@
     "@types/multer": "^1.4.12",
     "@types/node": "^22.5.4",
     "@types/nodemailer": "^6.4.16",
+    "@types/swagger-ui-express": "^4.1.7",
     "@types/xss-filters": "^0.0.30",
     "husky": "^9.1.5",
     "jest": "^29.7.0",
diff --git a/src/index.ts b/src/index.ts
index 61875c7..08054b3 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -2,8 +2,10 @@ import cookieParser from 'cookie-parser'
 import express from 'express'
 import 'dotenv/config'
 import cors from 'cors'
+import swaggerUI from 'swagger-ui-express'
 import sanitizeInput from './middlewares/sanitizeInput'
 const app = express()
+import swaggerDocument from '../openapi.json'
 import routes from './routes'
 
 const port = process.env.SERVER_PORT
@@ -16,6 +18,7 @@ app.use(cors())
 app.use(express.json())
 app.use(cookieParser())
 app.use(sanitizeInput)
+app.use('/api/docs', swaggerUI.serve, swaggerUI.setup(swaggerDocument))
 app.use('/api/', routes)
 app.listen(port, () => {
   console.info(`Server running at port ${port}`)