> ## Documentation Index > Fetch the complete documentation index at: https://docs.wavix.com/llms.txt > Use this file to discover all available pages before exploring further. # Create an opt-out > Opts a phone number out of receiving messages from a Sender ID, a 10DLC campaign, or all outbound messages. ## OpenAPI ````yaml https://wavix.github.io/wavix-openapi/wavix-api.yaml post /v3/messages/opt-outs openapi: 3.1.0 info: title: Wavix APIs description: >- Wavix provides robust APIs that let you integrate voice and text messaging features directly into your app. Send text, place calls, and access detailed reports programmatically. termsOfService: https://wavix.com/terms-and-conditions license: name: MIT identifier: MIT contact: name: Wavix url: https://wavix.com email: support@wavix.com version: '1.0' servers: - url: https://api.wavix.com description: https://api.wavix.com variables: {} security: - bearerAuth: [] tags: - name: SIP trunks description: SIP trunks - name: Buy description: Numbers - name: Cart description: Numbers - name: My numbers description: Numbers - name: Billing description: Billing, transactions, and invoices - name: Profile description: Account profile and customer information - name: CDRs description: Call detail records and call history - name: Speech Analytics description: Call transcription and speech analytics - name: SMS and MMS description: Messaging - name: Number Validator description: Phone number validation - name: Link shortener description: Short link and click metrics - name: 2FA description: Two-factor authentication - name: 10DLC description: 10DLC Campaigns and Brands - name: API Keys description: API key management - name: Call webhooks description: Webhook configuration for call events - name: Call control description: Programmable Voice - name: Call streaming description: Real-time call audio streaming over WebSocket - name: Call recording description: Call recording - name: Sub-accounts description: Sub-account management - name: Voice campaigns description: Outbound voice campaigns - name: Wavix Embeddable description: WebRTC embeddable widget paths: /v3/messages/opt-outs: post: tags: - SMS and MMS summary: Create an opt-out description: >- Opts a phone number out of receiving messages from a Sender ID, a 10DLC campaign, or all outbound messages. operationId: sms_and_mms_opt_outs_create parameters: [] requestBody: description: Attributes for the new opt-out. content: application/json: schema: allOf: - $ref: '#/components/schemas/OptOutCreateRequest' required: true responses: '201': description: Returns a success confirmation. The opt-out is created. headers: {} content: application/json: schema: allOf: - $ref: '#/components/schemas/SuccessResponse' - example: success: true examples: default: value: success: true '400': $ref: '#/components/responses/BadRequestErrorResponse' '403': $ref: '#/components/responses/ForbiddenErrorResponse' '404': $ref: '#/components/responses/NotFoundErrorResponse' '422': $ref: '#/components/responses/ValidationErrorResponse' deprecated: false security: - bearerAuth: - messages:write components: schemas: OptOutCreateRequest: title: OptOutCreateRequest required: - opt_out type: object additionalProperties: false properties: opt_out: $ref: '#/components/schemas/OptOut' SuccessResponse: title: SuccessResponse required: - success type: object properties: success: type: boolean description: Indicates whether the request was successful. example: true OptOut: title: OptOut required: - number type: object additionalProperties: false properties: number: type: string description: Phone number to opt out. example: '16419252149' sender_id: type: string description: >- Sender ID. If omitted, the phone number is opted out of all messages. example: '15072429497' example: number: '16419252149' sender_id: '15072429497' ValidationErrorResponse: title: ValidationErrorResponse type: object properties: success: type: boolean description: >- Indicates whether the request was successful. Always `false` for this error. example: false message: type: string description: >- Human-readable description naming the missing or invalid request parameter. example: Missing or invalid parameter ForbiddenErrorResponse: title: ForbiddenErrorResponse type: object properties: success: type: boolean description: >- Indicates whether the request was successful. Always `false` for this error. example: false message: type: string description: Human-readable description of why access is forbidden. example: The service is not provisioned for your account. NotFoundErrorResponse: title: NotFoundErrorResponse type: object properties: success: type: boolean description: >- Indicates whether the request was successful. Always `false` for this error. example: false message: type: string description: >- Human-readable description stating that no resource matches the given ID. example: Record not found responses: BadRequestErrorResponse: description: Request failed. Missing or invalid parameter headers: {} content: application/json: schema: $ref: '#/components/schemas/ValidationErrorResponse' ForbiddenErrorResponse: description: Request failed. The feature is disabled for your account. headers: {} content: application/json: schema: $ref: '#/components/schemas/ForbiddenErrorResponse' NotFoundErrorResponse: description: Request failed. An object with the specified ID is not found. headers: {} content: application/json: schema: $ref: '#/components/schemas/NotFoundErrorResponse' ValidationErrorResponse: description: Validation error headers: {} content: application/json: schema: $ref: '#/components/schemas/ValidationErrorResponse' securitySchemes: bearerAuth: type: http scheme: bearer description: > Wavix API key. Pass as `Authorization: Bearer `. Keys support per-resource scopes (none / read / write). See [Restricted keys and scopes](https://docs.wavix.com/api-reference/authentication#restricted-keys-and-scopes). ````