> ## Documentation Index > Fetch the complete documentation index at: https://docs.devmob.app.br/llms.txt > Use this file to discover all available pages before exploring further. # Cancel Checkout Session > Cancels an active checkout session before confirmation. ## OpenAPI ````yaml /api-reference/driver/openapi.json post /api/v1/driver/checkout-sessions/{checkoutSessionId}/cancel openapi: 3.0.0 info: title: DEVMOB Driver API description: DEVMOB API version: '1.0' contact: {} servers: [] security: [] tags: - name: Auth description: Authentication and token lifecycle - name: Checkout description: QR checkout sessions - name: Invite description: Driver invitation preview and acceptance - name: Notification description: Driver inbox notifications - name: OTP description: One-time password flows - name: Profile description: Authenticated driver profile - name: Session description: Authenticated sessions - name: Storage description: Storage uploads - name: Trip description: Driver trips - name: Trip Boarding description: Ticket boarding - name: Trip Event description: Trip operational events - name: Trip Manifest description: Trip passenger manifest - name: Trip Tracking description: Driver GPS tracking paths: /api/v1/driver/checkout-sessions/{checkoutSessionId}/cancel: post: tags: - Checkout summary: Cancel Checkout Session description: Cancels an active checkout session before confirmation. operationId: cancelCheckoutSession parameters: - name: checkoutSessionId in: path required: true schema: type: string format: uuid description: Checkout session identifier. - name: fields in: query required: false description: >- Comma-separated list of fields to include in the response. Supports dot notation. schema: type: string requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/CancelCheckoutSessionRequest' responses: '200': description: OK content: application/json: schema: $ref: '#/components/schemas/CheckoutSession' '400': $ref: '#/components/responses/BadRequestError' '401': $ref: '#/components/responses/UnauthorizedError' '403': $ref: '#/components/responses/ForbiddenError' '404': $ref: '#/components/responses/NotFoundError' '409': $ref: '#/components/responses/ConflictError' '500': $ref: '#/components/responses/InternalServerError' security: - bearer: [] components: schemas: CancelCheckoutSessionRequest: type: object description: Cancel checkout session payload. properties: reason: type: string nullable: true description: Cancellation reason. CheckoutSession: type: object description: Checkout session linked by the customer app through a QR token. properties: checkoutSessionId: type: string format: uuid nullable: false description: Checkout session identifier. tripId: type: string format: uuid nullable: false description: Trip selected for this session. tripItineraryId: type: string format: uuid nullable: true description: Trip itinerary selected by the customer during preparation. seatId: type: string format: uuid nullable: true description: Seat selected by the customer during preparation. paymentMethod: type: string enum: - CASH - CREDIT_GRANT description: Payment method selected for this checkout. qrToken: type: string nullable: true description: >- Raw QR token. Returned only when creating an active session; never persisted in plain text. status: type: string enum: - CREATED - LINKED - PREPARED - CONFIRMED - EXPIRED - CANCELED description: Computed session status derived from timestamps. passengerDraft: allOf: - $ref: '#/components/schemas/CheckoutPassengerDraft' nullable: true description: Passenger draft prepared by the customer before Passenger creation. requestedCreditAmount: type: integer minimum: 0 nullable: true description: Credit amount requested by the customer for this session. promotionalCode: type: string nullable: true description: Promotional code requested by the customer, when applicable. expiresAt: type: string format: date-time nullable: false description: QR token expiration date. linkedAt: type: string format: date-time nullable: true description: Date when the customer linked the session. preparedAt: type: string format: date-time nullable: true description: Date when the customer prepared ticket context. confirmedAt: type: string format: date-time nullable: true description: Date when checkout was confirmed. canceledBy: type: string format: uuid nullable: true description: User that canceled the session, when applicable. canceledAt: type: string format: date-time nullable: true description: Date when the session was canceled. createdBy: type: string format: uuid nullable: true description: User that created the session. createdAt: type: string format: date-time nullable: false description: Creation date. updatedBy: type: string format: uuid nullable: true description: User that last updated the session. updatedAt: type: string format: date-time nullable: false description: Last update date. required: - checkoutSessionId - tripId - paymentMethod - status - expiresAt - createdAt - updatedAt CheckoutPassengerDraft: type: object description: Passenger information prepared by the customer before ticket creation. properties: name: type: string description: Passenger name. example: Mariana Costa document: type: string description: Passenger document. example: '12345678909' documentType: type: string enum: - CPF - CNPJ - RG description: Passenger document type. example: CPF birthDate: type: string format: date nullable: true description: Passenger birth date. example: '1992-04-18' required: - name - document - documentType ValidationError: type: object properties: statusCode: type: integer description: HTTP status code. example: 400 message: type: string description: Error message. example: Bad Request Error errors: type: array items: type: object properties: code: type: string description: Validation code. example: invalid_type message: type: string description: Validation message. example: Required path: type: string description: Invalid field path. example: name required: - code - message - path required: - statusCode - message - errors description: Validation error response. ApiError: type: object properties: statusCode: type: integer description: HTTP status code. example: 404 error: type: string description: HTTP error name. example: Not Found message: type: string description: Machine-readable error code. example: resource.not_found required: - statusCode - error - message description: Domain error response. responses: BadRequestError: description: Validation failed. content: application/json: schema: $ref: '#/components/schemas/ValidationError' UnauthorizedError: description: Authentication required. content: application/json: schema: $ref: '#/components/schemas/ApiError' ForbiddenError: description: Forbidden. content: application/json: schema: $ref: '#/components/schemas/ApiError' NotFoundError: description: Resource not found. content: application/json: schema: $ref: '#/components/schemas/ApiError' ConflictError: description: State conflict. content: application/json: schema: $ref: '#/components/schemas/ApiError' InternalServerError: description: Internal server error. content: application/json: schema: $ref: '#/components/schemas/ApiError' securitySchemes: bearer: scheme: bearer bearerFormat: JWT type: http ````