diff --git a/.gitignore b/.gitignore
index 7192ba9d9..629e1676e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,6 +37,10 @@ public/packs*
 *.swo
 *.un~
 .jest-cache
+
+#VS Code files
+.vscode
+
 # ignore jetbrains IDE files
 .idea
 
diff --git a/Gemfile b/Gemfile
index d2f3465e2..49a8c0729 100644
--- a/Gemfile
+++ b/Gemfile
@@ -83,6 +83,9 @@ group :development do
   gem 'bullet'
   gem 'letter_opener'
   gem 'web-console'
+
+  # used in swagger build
+  gem 'json_refs', git: 'https://github.com/sony-mathew/json_refs', ref: 'b6c142a'
 end
 
 group :development, :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index 9bb07458f..5d309e59a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -5,6 +5,14 @@ GIT
     twitty (0.1.0)
       oauth
 
+GIT
+  remote: https://github.com/sony-mathew/json_refs
+  revision: b6c142ae486e399d00fbc758e21a7ed63a934f61
+  ref: b6c142a
+  specs:
+    json_refs (0.1.2)
+      hana
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -201,6 +209,7 @@ GEM
       os (>= 0.9, < 2.0)
       signet (~> 0.12)
     haikunator (1.1.0)
+    hana (1.3.5)
     hashie (4.1.0)
     http-accept (1.7.0)
     http-cookie (1.0.3)
@@ -498,6 +507,7 @@ DEPENDENCIES
   haikunator
   hashie
   jbuilder
+  json_refs!
   jwt
   kaminari
   koala
diff --git a/app/controllers/swagger_controller.rb b/app/controllers/swagger_controller.rb
new file mode 100644
index 000000000..c5f8c0f5b
--- /dev/null
+++ b/app/controllers/swagger_controller.rb
@@ -0,0 +1,18 @@
+class SwaggerController < ApplicationController
+  def respond
+    if Rails.env.development? || Rails.env.test?
+      render inline: File.read(Rails.root.join('swagger', derived_path))
+    else
+      head 404
+    end
+  end
+
+  private
+
+  def derived_path
+    params[:path] ||= 'index.html'
+    path = params[:path]
+    path << ".#{params[:format]}" unless path.ends_with?(params[:format].to_s)
+    path
+  end
+end
diff --git a/config/routes.rb b/config/routes.rb
index b1d718576..a067eb30f 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -144,4 +144,8 @@ Rails.application.routes.draw do
     mount Sidekiq::Web, at: '/sidekiq'
   end
   # ----------------------------------------------------------------------
+
+  # Routes for swagger docs
+  get '/swagger/*path', to: 'swagger#respond'
+  get '/swagger', to: 'swagger#respond'
 end
diff --git a/lib/tasks/swagger.rake b/lib/tasks/swagger.rake
new file mode 100644
index 000000000..c13147aee
--- /dev/null
+++ b/lib/tasks/swagger.rake
@@ -0,0 +1,22 @@
+namespace :swagger do
+  desc 'build combined swagger.json file from all the fragmented definitions and paths inside swagger folder'
+  task build: :environment do
+    require 'json_refs'
+
+    base_path = Rails.root.join('swagger')
+    Dir.chdir(base_path) do
+      swagger_index = YAML.safe_load(File.open('index.yml'))
+
+      final_build = JsonRefs.call(
+        swagger_index,
+        resolve_local_ref: false,
+        resolve_file_ref: true,
+        logging: true
+      )
+      File.write('swagger.json', JSON.pretty_generate(final_build))
+      puts 'Swagger build was succesful.'
+      puts "Generated #{base_path}/swagger.json"
+      puts 'Go to http://localhost:3000/swagger see the changes.'
+    end
+  end
+end
diff --git a/spec/controllers/swagger_controller_spec.rb b/spec/controllers/swagger_controller_spec.rb
new file mode 100644
index 000000000..f68bd6e9e
--- /dev/null
+++ b/spec/controllers/swagger_controller_spec.rb
@@ -0,0 +1,12 @@
+require 'rails_helper'
+
+describe '/swagger', type: :request do
+  describe 'GET /swagger' do
+    it 'renders swagger index.html' do
+      get '/swagger'
+      expect(response).to have_http_status(:success)
+      expect(response.body).to include('redoc')
+      expect(response.body).to include('/swagger.json')
+    end
+  end
+end
diff --git a/swagger/definitions/error/bad_request.yml b/swagger/definitions/error/bad_request.yml
new file mode 100644
index 000000000..b6facb361
--- /dev/null
+++ b/swagger/definitions/error/bad_request.yml
@@ -0,0 +1,9 @@
+title: data
+type: object
+properties:
+  description:
+    type: string
+  errors:
+    type: array
+    items:
+      $ref: '#/definitions/request_error'
diff --git a/swagger/definitions/error/request.yml b/swagger/definitions/error/request.yml
new file mode 100644
index 000000000..79b2ca4d4
--- /dev/null
+++ b/swagger/definitions/error/request.yml
@@ -0,0 +1,8 @@
+type: object
+properties:
+  field:
+    type: string
+  message:
+    type: string
+  code:
+    type: string
diff --git a/swagger/definitions/index.yml b/swagger/definitions/index.yml
new file mode 100644
index 000000000..3ef07961d
--- /dev/null
+++ b/swagger/definitions/index.yml
@@ -0,0 +1,39 @@
+# ERROR
+bad_request_error:
+  $ref: ./error/bad_request.yml
+request_error:
+  $ref: ./error/request.yml
+
+# RESOURCE
+contact:
+  $ref: ./resource/contact.yml
+conversation:
+  $ref: ./resource/conversation.yml
+
+# RESPONSE
+extended_contact:
+  allOf:
+    - $ref: '#/definitions/contact'
+    - $ref: ./resource/extension/contact/show.yml
+contact_base:
+  allOf:
+    - $ref: '#/definitions/contact'
+    - $ref: ./resource/extension/generic.yml
+contact_list:
+  type: array
+  items:
+    allOf:
+      - $ref: '#/definitions/contact'
+      - $ref: ./resource/extension/generic.yml
+contact_conversations:
+  type: array
+  items:
+    allOf:
+      - $ref: '#/definitions/conversation'
+      - $ref: ./resource/extension/contact/conversation.yml
+
+# REQUEST
+contact_create:
+  $ref: ./request/contact/create.yml
+contact_update:
+  $ref: ./request/contact/update.yml
diff --git a/swagger/definitions/request/contact/create.yml b/swagger/definitions/request/contact/create.yml
new file mode 100644
index 000000000..6e83a12fa
--- /dev/null
+++ b/swagger/definitions/request/contact/create.yml
@@ -0,0 +1,6 @@
+type: object
+properties:
+  account_id:
+    type: number
+  inbox_id:
+    type: number
diff --git a/swagger/definitions/request/contact/update.yml b/swagger/definitions/request/contact/update.yml
new file mode 100644
index 000000000..cafa35169
--- /dev/null
+++ b/swagger/definitions/request/contact/update.yml
@@ -0,0 +1,8 @@
+type: object
+properties:
+  name:
+    type: string
+  email:
+    type: string
+  phone_number:
+    type: string
diff --git a/swagger/definitions/resource/contact.yml b/swagger/definitions/resource/contact.yml
new file mode 100644
index 000000000..01261239a
--- /dev/null
+++ b/swagger/definitions/resource/contact.yml
@@ -0,0 +1,12 @@
+type: object
+properties:
+  email:
+    type: string
+  name:
+    type: string
+  phone_number:
+    type: string
+  thumbnail:
+    type: string
+  additional_attributes:
+    type: object
diff --git a/swagger/definitions/resource/conversation.yml b/swagger/definitions/resource/conversation.yml
new file mode 100644
index 000000000..a6c8f18d6
--- /dev/null
+++ b/swagger/definitions/resource/conversation.yml
@@ -0,0 +1,21 @@
+type: object
+properties:
+  display_id:
+    type: number
+  messages:
+    type: array
+    items:
+      type: object
+  inbox_id:
+    type: number
+  status:
+    type: string
+    enum: ['open', 'resolved']
+  timestamp:
+    type: string
+  user_last_seen_at:
+    type: string
+  agent_last_seen_at:
+    type: agent_last_seen_at
+  unread_count:
+    type: number
diff --git a/swagger/definitions/resource/extension/contact/conversation.yml b/swagger/definitions/resource/extension/contact/conversation.yml
new file mode 100644
index 000000000..e54cb178a
--- /dev/null
+++ b/swagger/definitions/resource/extension/contact/conversation.yml
@@ -0,0 +1,18 @@
+type: object
+properties:
+  meta:
+    type: object
+    properties:
+      sender:
+        type: object
+        properties:
+          id:
+            type: number
+          name:
+            type: string
+          thumbnail:
+            type: string
+          channel:
+            type: string
+      assignee:
+        type: object
diff --git a/swagger/definitions/resource/extension/contact/list.yml b/swagger/definitions/resource/extension/contact/list.yml
new file mode 100644
index 000000000..0378da06e
--- /dev/null
+++ b/swagger/definitions/resource/extension/contact/list.yml
@@ -0,0 +1,5 @@
+type: object
+properties:
+  allOf:
+    - $ref: '#/definitions/contact'
+    - $ref: ./resource/extension/contact.yaml
diff --git a/swagger/definitions/resource/extension/contact/show.yml b/swagger/definitions/resource/extension/contact/show.yml
new file mode 100644
index 000000000..a4c26f306
--- /dev/null
+++ b/swagger/definitions/resource/extension/contact/show.yml
@@ -0,0 +1,7 @@
+type: object
+properties:
+  id:
+    type: number
+  availability_status:
+    type: string
+    enum: ['online', 'offline']
\ No newline at end of file
diff --git a/swagger/definitions/resource/extension/generic.yml b/swagger/definitions/resource/extension/generic.yml
new file mode 100644
index 000000000..1817d821d
--- /dev/null
+++ b/swagger/definitions/resource/extension/generic.yml
@@ -0,0 +1,4 @@
+type: object
+properties:
+  id:
+    type: number
\ No newline at end of file
diff --git a/swagger/index.html b/swagger/index.html
new file mode 100644
index 000000000..65ec1b81a
--- /dev/null
+++ b/swagger/index.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>ReDoc</title>
+    <!-- needed for adaptive design -->
+    <meta charset="utf-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link href="https://fonts.googleapis.com/css?family=Montserrat:300,400,700|Roboto:300,400,700" rel="stylesheet">
+    <!--
+    ReDoc doesn't change outer page styles
+    -->
+    <style>
+      body {
+        margin: 0;
+        padding: 0;
+      }
+    </style>
+  </head>
+  <body>
+    <redoc spec-url='/swagger/swagger.json'></redoc>
+    <script src="https://cdn.jsdelivr.net/npm/redoc@next/bundles/redoc.standalone.js"> </script>
+  </body>
+</html>
diff --git a/swagger/index.yml b/swagger/index.yml
new file mode 100644
index 000000000..44b75ca20
--- /dev/null
+++ b/swagger/index.yml
@@ -0,0 +1,17 @@
+swagger: 2.0
+info:
+  description: This is the api documentation for Chatwoot server.
+  version: 1.0.0
+  title: Chatwoot
+  termsOfService:	https://www.chatwoot.com/terms-of-service/
+  contact:
+    email: support@chatwoot.com
+  license:
+    name: MIT License
+    url: https://opensource.org/licenses/MIT
+  host: app.chatwoot.com
+  basePath: /api/v1/
+paths:
+  $ref: ./paths/index.yml
+definitions:
+  $ref: ./definitions/index.yml
diff --git a/swagger/paths/contact/conversations.yml b/swagger/paths/contact/conversations.yml
new file mode 100644
index 000000000..39279a449
--- /dev/null
+++ b/swagger/paths/contact/conversations.yml
@@ -0,0 +1,18 @@
+get:
+  tags: [Contact]
+  summary: Conversations
+  parameters:
+    - name: id
+      in: path
+      type: number
+      description: ID of contact
+      required: true
+  responses:
+    200:
+      description: Success
+      schema:
+        $ref: '#/definitions/contact_conversations'
+    404:
+      description: Contact not found
+    403:
+      description: Access denied
diff --git a/swagger/paths/contact/crud.yml b/swagger/paths/contact/crud.yml
new file mode 100644
index 000000000..c15911cb4
--- /dev/null
+++ b/swagger/paths/contact/crud.yml
@@ -0,0 +1,42 @@
+get:
+  tags: [Contact]
+  summary: Show Contact
+  parameters:
+    - name: id
+      in: path
+      type: number
+      description: ID of contact
+      required: true
+  responses:
+    200:
+      description: Success
+      schema:
+        $ref: '#/definitions/extended_contact'
+    404:
+      description: Contact not found
+    403:
+      description: Access denied
+
+put:
+  tags: [Contact]
+  summary: Update Contact
+  parameters:
+    - name: id
+      in: path
+      type: number
+      description: ID of the contact
+      required: true
+    - name: data
+      in: body
+      required: true
+      schema:
+        $ref: '#/definitions/contact_update'
+  responses:
+    204:
+      description: Success
+      schema:
+        $ref: '#/definitions/contact_base'
+    404:
+      description: Contact not found
+    403:
+      description: Access denied
diff --git a/swagger/paths/contact/list_create.yml b/swagger/paths/contact/list_create.yml
new file mode 100644
index 000000000..4aad9d7ac
--- /dev/null
+++ b/swagger/paths/contact/list_create.yml
@@ -0,0 +1,36 @@
+get:
+  tags: [Contact]
+  description: Listing all contacts with pagination
+  summary: List contacts
+  parameters:
+    - name: query_hash
+      in: query
+      type: string
+  responses:
+    200:
+      description: Success
+      schema:
+        $ref: '#/definitions/contact_list'
+    400:
+      description: Bad Request Error
+      schema:
+        $ref: '#/definitions/bad_request_error'
+
+post:
+  tags: [Contact]
+  description: Create a contact
+  parameters:
+    - name: data
+      in: body
+      required: true
+      schema:
+        $ref: '#/definitions/contact_create'
+  responses:
+    200:
+      description: Success
+      schema:
+        $ref: '#/definitions/extended_contact'
+    400:
+      description: Bad Request Error
+      schema:
+        $ref: '#/definitions/bad_request_error'
diff --git a/swagger/paths/index.yml b/swagger/paths/index.yml
new file mode 100644
index 000000000..54509e2e5
--- /dev/null
+++ b/swagger/paths/index.yml
@@ -0,0 +1,7 @@
+# Contacts
+/contacts:
+  $ref: ./contact/list_create.yml
+/contacts/{id}:
+  $ref: ./contact/crud.yml
+/contacts/{id}/conversations:
+  $ref: ./contact/conversations.yml
diff --git a/swagger/swagger.json b/swagger/swagger.json
new file mode 100644
index 000000000..1228004b3
--- /dev/null
+++ b/swagger/swagger.json
@@ -0,0 +1,386 @@
+{
+  "swagger": 2.0,
+  "info": {
+    "description": "This is the api documentation for Chatwoot server.",
+    "version": "1.0.0",
+    "title": "Chatwoot",
+    "termsOfService": "https://www.chatwoot.com/terms-of-service/",
+    "contact": {
+      "email": "support@chatwoot.com"
+    },
+    "license": {
+      "name": "MIT License",
+      "url": "https://opensource.org/licenses/MIT"
+    },
+    "host": "app.chatwoot.com",
+    "basePath": "/api/v1/"
+  },
+  "paths": {
+    "/contacts": {
+      "get": {
+        "tags": [
+          "Contact"
+        ],
+        "description": "Listing all contacts with pagination",
+        "summary": "List contacts",
+        "parameters": [
+          {
+            "name": "query_hash",
+            "in": "query",
+            "type": "string"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Success",
+            "schema": {
+              "$ref": "#/definitions/contact_list"
+            }
+          },
+          "400": {
+            "description": "Bad Request Error",
+            "schema": {
+              "$ref": "#/definitions/bad_request_error"
+            }
+          }
+        }
+      },
+      "post": {
+        "tags": [
+          "Contact"
+        ],
+        "description": "Create a contact",
+        "parameters": [
+          {
+            "name": "data",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/contact_create"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Success",
+            "schema": {
+              "$ref": "#/definitions/extended_contact"
+            }
+          },
+          "400": {
+            "description": "Bad Request Error",
+            "schema": {
+              "$ref": "#/definitions/bad_request_error"
+            }
+          }
+        }
+      }
+    },
+    "/contacts/{id}": {
+      "get": {
+        "tags": [
+          "Contact"
+        ],
+        "summary": "Show Contact",
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "type": "number",
+            "description": "ID of contact",
+            "required": true
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Success",
+            "schema": {
+              "$ref": "#/definitions/extended_contact"
+            }
+          },
+          "404": {
+            "description": "Contact not found"
+          },
+          "403": {
+            "description": "Access denied"
+          }
+        }
+      },
+      "put": {
+        "tags": [
+          "Contact"
+        ],
+        "summary": "Update Contact",
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "type": "number",
+            "description": "ID of the contact",
+            "required": true
+          },
+          {
+            "name": "data",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/contact_update"
+            }
+          }
+        ],
+        "responses": {
+          "204": {
+            "description": "Success",
+            "schema": {
+              "$ref": "#/definitions/contact_base"
+            }
+          },
+          "404": {
+            "description": "Contact not found"
+          },
+          "403": {
+            "description": "Access denied"
+          }
+        }
+      }
+    },
+    "/contacts/{id}/conversations": {
+      "get": {
+        "tags": [
+          "Contact"
+        ],
+        "summary": "Conversations",
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "type": "number",
+            "description": "ID of contact",
+            "required": true
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Success",
+            "schema": {
+              "$ref": "#/definitions/contact_conversations"
+            }
+          },
+          "404": {
+            "description": "Contact not found"
+          },
+          "403": {
+            "description": "Access denied"
+          }
+        }
+      }
+    }
+  },
+  "definitions": {
+    "bad_request_error": {
+      "title": "data",
+      "type": "object",
+      "properties": {
+        "description": {
+          "type": "string"
+        },
+        "errors": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/request_error"
+          }
+        }
+      }
+    },
+    "request_error": {
+      "type": "object",
+      "properties": {
+        "field": {
+          "type": "string"
+        },
+        "message": {
+          "type": "string"
+        },
+        "code": {
+          "type": "string"
+        }
+      }
+    },
+    "contact": {
+      "type": "object",
+      "properties": {
+        "email": {
+          "type": "string"
+        },
+        "name": {
+          "type": "string"
+        },
+        "phone_number": {
+          "type": "string"
+        },
+        "thumbnail": {
+          "type": "string"
+        },
+        "additional_attributes": {
+          "type": "object"
+        }
+      }
+    },
+    "conversation": {
+      "type": "object",
+      "properties": {
+        "display_id": {
+          "type": "number"
+        },
+        "messages": {
+          "type": "array",
+          "items": {
+            "type": "object"
+          }
+        },
+        "inbox_id": {
+          "type": "number"
+        },
+        "status": {
+          "type": "string",
+          "enum": [
+            "open",
+            "resolved"
+          ]
+        },
+        "timestamp": {
+          "type": "string"
+        },
+        "user_last_seen_at": {
+          "type": "string"
+        },
+        "agent_last_seen_at": {
+          "type": "agent_last_seen_at"
+        },
+        "unread_count": {
+          "type": "number"
+        }
+      }
+    },
+    "extended_contact": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/contact"
+        },
+        {
+          "type": "object",
+          "properties": {
+            "id": {
+              "type": "number"
+            },
+            "availability_status": {
+              "type": "string",
+              "enum": [
+                "online",
+                "offline"
+              ]
+            }
+          }
+        }
+      ]
+    },
+    "contact_base": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/contact"
+        },
+        {
+          "type": "object",
+          "properties": {
+            "id": {
+              "type": "number"
+            }
+          }
+        }
+      ]
+    },
+    "contact_list": {
+      "type": "array",
+      "items": {
+        "allOf": [
+          {
+            "$ref": "#/definitions/contact"
+          },
+          {
+            "type": "object",
+            "properties": {
+              "id": {
+                "type": "number"
+              }
+            }
+          }
+        ]
+      }
+    },
+    "contact_conversations": {
+      "type": "array",
+      "items": {
+        "allOf": [
+          {
+            "$ref": "#/definitions/conversation"
+          },
+          {
+            "type": "object",
+            "properties": {
+              "meta": {
+                "type": "object",
+                "properties": {
+                  "sender": {
+                    "type": "object",
+                    "properties": {
+                      "id": {
+                        "type": "number"
+                      },
+                      "name": {
+                        "type": "string"
+                      },
+                      "thumbnail": {
+                        "type": "string"
+                      },
+                      "channel": {
+                        "type": "string"
+                      }
+                    }
+                  },
+                  "assignee": {
+                    "type": "object"
+                  }
+                }
+              }
+            }
+          }
+        ]
+      }
+    },
+    "contact_create": {
+      "type": "object",
+      "properties": {
+        "account_id": {
+          "type": "number"
+        },
+        "inbox_id": {
+          "type": "number"
+        }
+      }
+    },
+    "contact_update": {
+      "type": "object",
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "email": {
+          "type": "string"
+        },
+        "phone_number": {
+          "type": "string"
+        }
+      }
+    }
+  }
+}
\ No newline at end of file