> ## 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. # Resend a code > Resends the OTP for the verification identified by `session_id` over the specified channel. Previously sent codes are invalidated. ## OpenAPI ````yaml https://wavix.github.io/wavix-openapi/wavix-api.yaml post /v1/two-fa/verification/{session_id} 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: /v1/two-fa/verification/{session_id}: post: tags: - 2FA summary: Resend a code description: >- Resends the OTP for the verification identified by `session_id` over the specified channel. Previously sent codes are invalidated. operationId: two_fa_verification_resend parameters: - name: session_id in: path description: The unique ID of the 2FA verification session. required: true style: simple schema: type: string example: 2953d4308f2e11ecb75fcdafd6d2d687 requestBody: description: Channel to resend the OTP over. content: application/json: schema: $ref: '#/components/schemas/TwoFactorVerificationResendRequest' required: true responses: '200': description: Returns the resend result, including the channel used. headers: {} content: application/json: schema: allOf: - $ref: '#/components/schemas/TwoFactorVerificationResendResponse' - example: success: true channel: voice destination: '447919433768' created_at: '2022-02-16T13:41:38.000Z' examples: success: summary: Successful response value: success: true channel: voice destination: '447919433768' created_at: '2022-02-16T13:41:38.000Z' '400': description: >- Returns a validation error when a required field is missing or invalid. content: application/json: schema: $ref: '#/components/schemas/ValidationErrorResponse' examples: default: value: success: false message: 'Request validation errors: Field "channel" is required' '403': $ref: '#/components/responses/ForbiddenErrorResponse' deprecated: false security: - bearerAuth: - two_fa:write components: schemas: TwoFactorVerificationResendRequest: title: TwoFactorVerificationResendRequest required: - channel type: object additionalProperties: false properties: channel: type: string description: >- Channel used to resend the verification code. One of `sms` (sent as a text message) or `voice` (read aloud over a phone call). enum: - sms - voice example: voice TwoFactorVerificationResendResponse: title: TwoFactorVerificationResendResponse required: - success - channel - destination - created_at type: object properties: success: type: boolean description: Indicates whether the verification code was successfully sent example: true channel: type: string description: Indicates whether the code was sent via an SMS or a voice call example: voice destination: type: string description: The destination phone number the code was sent to example: '447919433768' created_at: type: string description: Date and time the code was sent format: date-time example: '2022-02-16T13:41:38.000Z' 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. responses: ForbiddenErrorResponse: description: Request failed. The feature is disabled for your account. headers: {} content: application/json: schema: $ref: '#/components/schemas/ForbiddenErrorResponse' 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). ````