> ## 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. # List 2FA verifications > Returns the 2FA verifications for the service identified by `service_id`, within the requested date range. ## OpenAPI ````yaml https://wavix.github.io/wavix-openapi/wavix-api.yaml get /v1/two-fa/service/{service_id}/sessions 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/service/{service_id}/sessions: get: tags: - 2FA summary: List 2FA verifications description: >- Returns the 2FA verifications for the service identified by `service_id`, within the requested date range. operationId: two_fa_sessions_list parameters: - name: service_id in: path description: The unique ID of the 2FA service. required: true style: simple schema: type: string example: 7204a030201211ee9fb47d093f2f127c - name: from in: query description: Start of the date range to query, in `YYYY-MM-DD` format. Inclusive. required: true style: form explode: true schema: type: string format: date example: '2022-01-01' - name: to in: query description: End of the date range to query, in `YYYY-MM-DD` format. Inclusive. required: true style: form explode: true schema: type: string format: date example: '2022-01-31' responses: '200': description: Returns the list of 2FA verifications. headers: {} content: application/json: schema: type: array items: $ref: '#/components/schemas/ListSessionsResponseItem' example: - created_at: '2022-02-16T13:41:38.000Z' session_id: 2953d4308f2e11ecb75fcdafd6d2d687 phone_number: '447919433768' destination_country: GB status: verified charge: '0.01' service_id: 7204a030201211ee9fb47d093f2f127c service_name: Wavix 2FA Service - created_at: '2022-02-16T13:41:38.000Z' session_id: 8753d4308f2e11ecb75fcdafd6d2d690 phone_number: '447919433768' destination_country: GB status: pending charge: '0.01' service_id: 7204a030201211ee9fb47d093f2f127c service_name: Wavix 2FA Service examples: success: summary: Successful response value: - created_at: '2022-02-16T13:41:38.000Z' session_id: 2953d4308f2e11ecb75fcdafd6d2d687 phone_number: '447919433768' destination_country: GB status: verified charge: '0.01' service_id: 7204a030201211ee9fb47d093f2f127c service_name: Wavix 2FA Service - created_at: '2022-02-16T13:41:38.000Z' session_id: 8753d4308f2e11ecb75fcdafd6d2d690 phone_number: '447919433768' destination_country: GB status: pending charge: '0.01' service_id: 7204a030201211ee9fb47d093f2f127c service_name: Wavix 2FA Service '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 "to" is required' '403': $ref: '#/components/responses/ForbiddenErrorResponse' '404': description: Returns when no verifications match the service and date range. content: application/json: schema: $ref: '#/components/schemas/ValidationErrorResponse' examples: default: value: success: false message: Sessions not found deprecated: false security: - bearerAuth: - two_fa:read components: schemas: ListSessionsResponseItem: type: object additionalProperties: false properties: created_at: type: string format: date-time description: Date and time the 2FA Verification was created in ISO 8601 format. example: '2022-02-16T13:41:38.000Z' session_id: type: string description: 2FA Verification ID. example: 2953d4308f2e11ecb75fcdafd6d2d687 phone_number: type: string description: Destination phone number. example: '447919433768' destination_country: type: string description: >- Country code of the destination phone number in ISO 3166-1 alpha-2 format. example: GB status: type: string description: Status of the 2FA Verification. example: verified charge: type: string description: Charge for the 2FA Verification. example: '0.01' service_id: type: string description: 2FA Service ID. example: 7204a030201211ee9fb47d093f2f127c service_name: type: string description: 2FA Service name. example: Wavix 2FA Service 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). ````