> ## Documentation Index > Fetch the complete documentation index at: https://developers.wachat.net/llms.txt > Use this file to discover all available pages before exploring further. # Create device > Creates a WhatsApp device for the authenticated workspace and starts the pairing process. The response includes the initial device information and QR data when available; scan it with WhatsApp to finish connecting the sender. ## OpenAPI ````yaml /openapi.json post /devices/create openapi: 3.1.0 info: title: Wachat API version: v1 description: >- Wachat REST API. Authenticate with a workspace API key: send it as `Authorization: Bearer `. Generate keys in the dashboard under Developers / API. servers: - url: https://crm.wachat.net/api/v1 security: - http: [] tags: - name: Message description: >- Send a single WhatsApp message — text, media (image / video / document / audio) or a location pin — to one number, then read its delivery status or your message history. A file can be attached directly as a multipart `media` field or referenced by a public URL. - name: Template description: >- Create, list and manage your approved WhatsApp templates, and send a template to one number with your own header, body variables and button values. Use this for utility / marketing sends that need a pre-approved template — including one with a PDF / document header (pass the file's public URL as the header, e.g. from the Media endpoint). - name: Media description: >- Upload a file once (multipart / form-data, field name `file`, up to 16 MB) and get back a hosted public URL you can reuse across sends — for example a PDF to use as a document-header on a template, or an image on a message. - name: Contact description: >- Full create / read / update / delete over your contacts and leads, including search by number, tags and custom attributes. - name: ContactGroup description: >- Organise contacts into groups: create groups, list them, and add or remove members — handy for targeting broadcasts and campaigns. - name: Broadcast description: >- Send the same message to many contacts at once and track each broadcast's progress and per-recipient delivery. - name: Campaign description: >- Create, start, pause and monitor drip / marketing campaigns and their recipients. - name: Scheduled description: >- Schedule a WhatsApp send for a future time, list upcoming scheduled messages, and cancel one before it goes out. - name: AutoReply description: >- Manage keyword auto-replies — the automatic responses that fire when an inbound message matches a rule. - name: Flow description: >- Enroll a contact into an automation flow (chatbot) and manage your flows through the API. - name: Device description: >- List the WhatsApp numbers / devices connected to your workspace and check each one's connection status. - name: Webhook description: >- Register and manage webhook endpoints so Wachat POSTs real-time events (message received / sent / delivered / read / failed, plus campaign and contact events) to your server. When you set a signing secret each delivery carries an HMAC-SHA256 signature header you can verify. - name: Deal description: >- Manage sales-pipeline deals — create, list, update and move deals between stages. - name: Conversation description: >- Read your workspace inbox: list chat threads (conversations) and fetch the messages inside a thread. - name: Account description: Read your account details, plan, limits and message-credit usage. paths: /devices/create: post: tags: - Device summary: Create device description: >- Creates a WhatsApp device for the authenticated workspace and starts the pairing process. The response includes the initial device information and QR data when available; scan it with WhatsApp to finish connecting the sender. operationId: v1.devices.create requestBody: required: true content: application/json: schema: type: object properties: device_name: type: string minLength: 2 maxLength: 191 phone_number: type: string minLength: 5 maxLength: 32 country_code: type: - string - 'null' maxLength: 8 region: type: - string - 'null' maxLength: 16 activate_after_pairing: type: boolean required: - device_name - phone_number responses: '201': description: Resource created successfully. content: application/json: schema: type: object properties: data: type: object properties: device: type: array items: {} qr: type: - string - 'null' status: type: string phone: anyOf: - type: 'null' - type: array items: {} - type: string - type: object qr_url: type: string required: - device - qr - status - phone - qr_url meta: type: object properties: message: type: string const: Device created. Scan the QR code to finish pairing. required: - message required: - data - meta '402': description: Request failed. content: application/json: schema: type: object properties: error: type: object properties: code: type: string const: plan_limit message: type: string details: type: object properties: limit_key: type: string used: type: string limit: type: string required: - limit_key - used - limit required: - code - message - details required: - error '403': description: Request failed. content: application/json: schema: type: object properties: error: type: object properties: code: type: string const: insufficient_scope message: type: string const: This API key needs the devices.write scope. details: type: string required: - code - message - details required: - error '409': description: Request failed. content: application/json: schema: type: object properties: error: type: object properties: code: type: string const: device_conflict message: type: string const: >- This phone number is already connected to the workspace. details: type: string required: - code - message - details required: - error '422': $ref: '#/components/responses/ValidationException' description: Request failed. '500': description: Request failed. content: application/json: schema: type: object properties: error: type: object properties: code: type: string const: device_create_failed message: type: string const: The device could not be created. details: type: string required: - code - message - details required: - error '502': description: Request failed. content: application/json: schema: type: object properties: error: type: object properties: code: type: string const: pairing_failed message: type: string const: >- The device was not created because pairing could not be started. Please retry. details: type: string required: - code - message - details required: - error '503': description: Request failed. content: application/json: schema: type: object properties: error: type: object properties: code: type: string const: pairing_unavailable message: type: string const: The device pairing service is not configured. details: type: string required: - code - message - details required: - error components: responses: ValidationException: description: Validation error content: application/json: schema: type: object properties: message: type: string description: Errors overview. errors: type: object description: A detailed description of each field that failed validation. additionalProperties: type: array items: type: string required: - message - errors securitySchemes: http: type: http scheme: bearer ````