> ## Documentation Index > Fetch the complete documentation index at: https://docs.voucherify.io/llms.txt > Use this file to discover all available pages before exploring further. # Release Validation Session > Manually release a validation session that has been set up for the voucher. This method undoes the actions that are explained in the [Locking validation session](/guides/locking-validation-session) guide. > 📘 Release session in the Dashboard > > You can also use the [Validations Manager](/optimize/validations-and-redemptions#sessions) in the Dashboard to unlock sessions. ## OpenAPI ````yaml /openapi/vouchers.json delete /v1/vouchers/{code}/sessions/{sessionKey} openapi: 3.0.1 info: title: Voucherify API - Vouchers version: v2018-08-01 description: >- Voucherify promotion engine REST API. Please see https://docs.voucherify.io/docs for more details. contact: name: Voucherify Team url: https://www.voucherify.io/contact-support email: support@voucherify.io termsOfService: https://www.voucherify.io/legal/subscription-agreement license: name: MIT url: https://github.com/voucherifyio/voucherify-js-sdk/blob/main/LICENSE servers: - url: https://{cluster}.voucherify.io description: Base URL variables: cluster: default: api enum: - api - us1.api - as1.api - download - us1.download - as1.download security: [] paths: /v1/vouchers/{code}/sessions/{sessionKey}: parameters: - name: code in: path schema: $ref: '#/components/schemas/ParameterCode' description: >- A **code** that identifies the voucher or a unique voucher ID assigned by Voucherify. required: true - schema: $ref: '#/components/schemas/ParameterString' example: ssn_yQGMTeKBSw8OOuFPwlBEjzGy8d8VA9Ts name: sessionKey in: path required: true description: A unique session identifier. delete: tags: - Vouchers summary: Release Validation Session description: >- Manually release a validation session that has been set up for the voucher. This method undoes the actions that are explained in the [Locking validation session](/guides/locking-validation-session) guide. > 📘 Release session in the Dashboard > > You can also use the [Validations Manager](/optimize/validations-and-redemptions#sessions) in the Dashboard to unlock sessions. operationId: release-validation-session parameters: [] responses: '204': description: >- Returns no content if the validation session was released successfully. '404': description: Returns an error if a voucher or validation session ID is not found. content: application/json: schema: $ref: '#/components/schemas/Error' examples: Voucher not found: value: code: 404 key: not_found message: Resource not found details: Cannot find voucher with id Enigma-Voucher request_id: v-10cba70aef56d727d0 resource_id: Enigma-Voucher resource_type: voucher Session not found: value: code: 404 key: not_found message: Resource not found details: Cannot find session with id Enigma-Session request_id: v-10cba72f7256d72803 resource_id: Enigma-Session resource_type: session security: - X-App-Id: [] X-App-Token: [] - X-Voucherify-OAuth: - api - vouchers components: schemas: ParameterCode: type: string example: 2CpRCE2c ParameterString: type: string Error: title: Error Object type: object description: Error details properties: code: type: integer description: Error's HTTP status code. key: type: string description: Short string describing the kind of error which occurred. message: type: string description: A human-readable message providing a short description of the error. details: type: string description: A human-readable message providing more details about the error. request_id: type: string example: v-0a885062c80375740f description: >- This ID is useful when troubleshooting and/or finding the root cause of an error response by our support team. resource_id: type: string description: >- Unique resource ID that can be used in another endpoint to get more details. example: rf_0c5d710a87c8a31f86 resource_type: type: string description: The resource type. example: voucher error: type: object description: Includes additional information about the error. properties: message: type: string description: The message configured by the user in a validation rule. required: - code - message securitySchemes: X-App-Id: type: apiKey name: X-App-Id in: header X-App-Token: type: apiKey name: X-App-Token in: header X-Voucherify-OAuth: type: oauth2 flows: implicit: authorizationUrl: https://api.voucherify.io/v1/oauth/token scopes: api: Gives access to whole server-side API. vouchers: >- Gives access to all endpoints and methods starting with `v1/vouchers`. client_api: Gives access to whole client-side API. client_vouchers: >- Gives access to all endpoints and methods starting with `/client/v1/vouchers`. promotions: >- Gives access to all endpoints and methods starting with `/v1/promotions`. client_promotions: >- Gives access to all endpoints and methods starting with `/client/v1/promotions` campaigns: >- Gives access to all endpoints and methods starting with `v1/campaigns`. client_publish: >- Gives access to all endpoints and methods starting with `/client/v1/publish`. exports: >- Gives access to all endpoints and methods starting with `/v1/exports`. publications: >- Gives access to all endpoints and methods starting with `/v1/publications`. client_validate: >- Gives access to all endpoints and methods starting with `/client/v1/validate`. validations: >- Gives access to all endpoints and methods starting with `/v1/validations`. client_validations: >- Gives access to all endpoints and methods starting with `/client/v1/validations`. qualifications: >- Gives access to all endpoints and methods starting with `/v1/qualifications`. client_qualifications: >- Gives access to all endpoints and methods starting with `/client/v1/qualifications`. client_redeem: >- Gives access to all endpoints and methods starting with `/client/v1/redeem redemptions: >- Gives access to all endpoints and methods starting with `/v1/redemptions`. client_redemptions: >- Gives access to all endpoints and methods starting with `/client/v1/redemptions` customers: >- Gives access to all endpoints and methods starting with `/v1/customers`. client_customers: >- Gives access to all endpoints and methods starting with `/client/v1/customers`. orders: >- Gives access to all endpoints and methods starting with `/v1/orders`. products: >- Gives access to all endpoints and methods starting with `/v1/products`. skus: >- Gives access to all endpoints and methods starting with `/v1/SKUs`. validation-rules: >- Gives access to all endpoints and methods starting with `/v1/validation-rules`. validation-rules-assignments: >- Gives access to all endpoints and methods starting with `/v1/validation-rules-assignments segments: >- Gives access to all endpoints and methods starting with `/v1/segments`. events: >- Gives access to all endpoints and methods starting with `/v1/events`. client_events: >- Gives access to all endpoints and methods starting with `client/v1/events`. rewards: >- Gives access to all endpoints and methods starting with `/v1/rewards`. assets: >- Gives access to all endpoints and methods starting with `/v1/assets`. task-results: >- Gives access to all endpoints and methods starting with `/v1/task-results`. loyalties: >- Gives access to all endpoints and methods starting with `/v1/loyalties`. client_consents: >- Gives access to all endpoints and methods starting with `client/v1/consents`. consents: >- Gives access to all endpoints and methods starting with `/v1/consents`. async-actions: >- Gives access to all endpoints and methods starting with `/v1/async-actions`. product-collections: >- Gives access to all endpoints and methods starting with `/v1/product-collections`. categories: >- Gives access to all endpoints and methods starting with `/v1/categories`. metadata-schemas: >- Gives access to all endpoints and methods starting with `/v1/metadata-schemas`. locations: >- Gives access to all endpoints and methods starting with `/v1/locations`. referrals: >- Gives access to all endpoints and methods starting with `/v1/referrals`. trash-bin: >- Gives access to all endpoints and methods starting with `/v1/trash-bin`. templates: >- Gives access to all endpoints and methods starting with `/v1/templates`. ````