> ## Documentation Index > Fetch the complete documentation index at: https://gowa-docs.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # Send Sticker > Send sticker with automatic conversion to WebP format ## OpenAPI ````yaml /openapi.yml post /send/sticker openapi: 3.0.0 info: title: WhatsApp API MultiDevice version: 9.7.0 description: | This API is used for sending whatsapp via API. The web dashboard is a separate project (gowa-ui); the server downloads its latest release asset and serves it at `/` (or returns a JSON banner when APP_UI_ENABLED=false). Device scoping: - Send `X-Device-Id` on all device-scoped REST calls. - WebSocket: connect to `/ws?device_id=`. - WebSocket auth (when basic auth is enabled): browsers cannot set an Authorization header on WebSocket connections, so also pass `&authorization=` in the query string. Use TLS in production since the credential is visible in the URL. servers: - url: http://localhost:3000 security: - basicAuth: [] tags: - name: app description: Initial Connection to Whatsapp server - name: device description: Device management for multi-device support - name: user description: Getting information - name: send description: Send Message (Text/Image/File/Video). - name: message description: Message manipulation (revoke/react/update). - name: call description: Call management (reject incoming calls) - name: chat description: Chat conversations and messaging - name: group description: Group setting - name: newsletter description: newsletter setting - name: chatwoot description: Chatwoot integration for customer support paths: /send/sticker: post: tags: - send summary: Send Sticker description: Send sticker with automatic conversion to WebP format operationId: sendSticker parameters: - $ref: '#/components/parameters/DeviceIdHeader' requestBody: content: multipart/form-data: schema: type: object allOf: - $ref: '#/components/schemas/ScheduleOptions' properties: phone: type: string example: 6289685028129@s.whatsapp.net description: Phone number with country code sticker: type: string format: binary description: Sticker image file (jpg/jpeg/png/webp/gif) sticker_url: type: string example: https://example.com/sticker.png description: URL of sticker image to send duration: type: integer example: 86400 description: >- Disappearing message duration in seconds. Allowed values: 0 (no expiry), 86400 (24h), 604800 (7d), 7776000 (90d). reply_message_id: type: string example: 3EB089B9D6ADD58153C561 description: Message ID that you want reply is_forwarded: type: boolean example: false description: Whether this is a forwarded sticker responses: '200': description: OK content: application/json: schema: $ref: '#/components/schemas/SendResponse' '400': description: Bad Request content: application/json: schema: $ref: '#/components/schemas/ErrorBadRequest' '500': description: Internal Server Error content: application/json: schema: $ref: '#/components/schemas/ErrorInternalServer' components: parameters: DeviceIdHeader: name: X-Device-Id in: header required: false description: > Device identifier for multi-device support. Required when multiple devices are registered. If only one device is registered, it will be used as the default. Can also be provided as `device_id` query parameter. schema: type: string example: my-device-id schemas: ScheduleOptions: type: object description: | Optional fields that schedule the message instead of sending it now. Set `scheduled_at` to schedule; without it the message is sent immediately. A background worker sends it at the scheduled time, retrying while the device is offline or not logged in. Uploaded media is stored on the server until the schedule finishes. In multipart/form-data bodies, send `weekdays` as a repeated field (`weekdays=1`, `weekdays=3`). properties: scheduled_at: type: string format: date-time example: '2026-10-01T09:00:00+07:00' description: >- RFC3339 time of the first send. Must be in the future. The first send always happens at this time, even if it falls outside `weekdays` or `day_of_month`; those set the repeats that follow. timezone: type: string example: Asia/Jakarta description: >- IANA timezone used to compute recurring runs. Required when scheduled_at is set. recurrence: type: string enum: - once - daily - weekly - monthly default: once description: How often to repeat the send weekdays: type: array items: type: integer minimum: 0 maximum: 6 uniqueItems: true example: - 1 - 3 - 5 description: >- Days to send on, 0=Sunday through 6=Saturday. Required when recurrence is weekly. day_of_month: type: integer minimum: 1 maximum: 31 example: 15 description: >- Day of the month to send on, clamped to the month's last day. Required when recurrence is monthly. end_at: type: string format: date-time example: '2026-12-31T23:59:59+07:00' description: >- Recurring only. No sends happen after this time; must be after scheduled_at. occurrence_limit: type: integer minimum: 1 example: 10 description: Recurring only. Stop after this many sends. SendResponse: type: object properties: code: type: string example: SUCCESS message: type: string example: Success results: type: object properties: message_id: type: string example: 3EB0B430B6F8F1D0E053AC120E0A9E5C description: Omitted for scheduled sends status: type: string example: success .... schedule_id: type: string example: 0b5c3a8e-7f5d-4d6f-9d1e-2f8c1a7b9e10 description: Scheduled sends only. Use it with the /send/schedules routes. scheduled_at: type: string format: date-time example: '2026-10-01T02:00:00Z' description: Scheduled sends only. The first send time. next_run_at: type: string format: date-time example: '2026-10-01T02:00:00Z' description: Scheduled sends only. When the worker sends next. ErrorBadRequest: type: object properties: code: type: string example: 400 description: HTTP Status Code message: type: string example: field cannot be blank description: Detail error message results: type: object example: null description: additional data ErrorInternalServer: type: object properties: code: type: string example: INTERNAL_SERVER_ERROR description: SYSTEM_CODE_ERROR message: type: string example: you are not loggin description: Detail error message results: type: object example: null description: additional data securitySchemes: basicAuth: type: http scheme: basic ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.