> ## Documentation Index > Fetch the complete documentation index at: https://developers.bonifiq.com.br/llms.txt > Use this file to discover all available pages before exploring further. # Partially cancel an order > If your customer returns or ask for refund for some part of their purchase you can you this endpoint to cancel the corresponding points/cashback for that purchase ## orderID This is the exact same ID used when sending the order to BonifiQ. Usually is the ID from the origin plataform. ## ValueToRefund The purchase value being refunded. It should be less than the order total value. ## CancelKey This field allows to create idempotency. It can be any unique string such an ID for the cancellation. If you try to cancel the same order using the same CancelKey the cancellation will fail. ## OpenAPI ````yaml https://api.bonifiq.com.br/swagger/Private%20APIs/swagger.json post /v1/pvt/Order/{orderId}/partialcancel openapi: 3.0.0 info: title: BonifiQ Private APIs description: >- # Introduction This is the BonifiQ Private APIs documentation. With these endpoints you can interact with BonifiQ systems and enhance your program points. # Limitations These endpoints are intended to be used in backend communication so they are not CORS-compatible and cannot be used by in-browser frontend libraries (such as React, Angular, Vue, jQuery, etc) If are required to call BonifiQ API from a browser, please refer to our [Public APIs](https://api.bonifiq.com.br/apidocs/public) # Authentication These Private APis use the [Basic Authentication](https://en.wikipedia.org/wiki/Basic_access_authentication) scheme. You need both an API Token (Username) and API Key (Password) to use with it You can generate this key pair in BonifiQ admin panel, at the "API Keys" menu. # How to use this page ## Making calls You can simulate, test and make calls to API from this Swagger page. To do that: - Click on the **Authorize** button - Inform the Username (API Token) and Passwoird (API Key) and click on **Authorize** - From the list bellow, choose an API call and click on **Try it out** - Inform the required parameters (if any) and click on **Execute** ## Verifying requests and responses bodies In every API Call there is an explanation of what each field means, theirs types and accepted values for all Requests and Responses. To view this information, just go to any API Call bellow and in the Responses section, click on the Schema. version: 1.0.0 servers: - url: https://api.bonifiq.com.br security: [] tags: - name: POS description: >- Flow methods to integrate BonifiQ with a POS system. Check the Flow Documentation link on the right externalDocs: description: Flow Documentation url: >- https://suporte.bonifiq.com.br/support/solutions/articles/159000319538-integrar-com-pdv - name: Checkout description: Operations related to checkout cashback redeem, refresh and removal - name: Customization description: Retrieve customizations for the loyalty program - name: Rewards description: Interact with rewards already redeemed paths: /v1/pvt/Order/{orderId}/partialcancel: post: tags: - Order summary: Partially cancel an order description: >- If your customer returns or ask for refund for some part of their purchase you can you this endpoint to cancel the corresponding points/cashback for that purchase ## orderID This is the exact same ID used when sending the order to BonifiQ. Usually is the ID from the origin plataform. ## ValueToRefund The purchase value being refunded. It should be less than the order total value. ## CancelKey This field allows to create idempotency. It can be any unique string such an ID for the cancellation. If you try to cancel the same order using the same CancelKey the cancellation will fail. operationId: Order_PartialCancelOrder parameters: - name: orderId in: path required: true schema: type: string x-position: 1 requestBody: x-name: cancelOrder content: application/json: schema: $ref: '#/components/schemas/PartialCancelOrderRequest' required: true x-position: 2 responses: '200': description: '' content: application/json: schema: $ref: >- #/components/schemas/BaseExternalApiResponseOfCancelOrderResponse security: - Basic Authentication: [] components: schemas: PartialCancelOrderRequest: type: object additionalProperties: false properties: ValueToRefund: type: number description: >- Value to be refunded from the order total. This value must be greater than 0 and less or equal than the OrderTotal value sent when the order was created or updated. format: decimal CancelKey: type: string description: >- This key is used to avoid duplicated partial cancel on the same order. Use a unique value (such as an ID) for each partial cancel request. BaseExternalApiResponseOfCancelOrderResponse: type: object description: Standard response envelope used by the External API. additionalProperties: false properties: ErrorMessage: type: string description: >- Error message returned when the request fails validation or processing. For warnings and successful responses, consumers should usually inspect `Result`, `Code` and `Severity` first. nullable: true ErrorCode: type: integer description: >- Legacy numeric error code derived from internal API errors when available. This field is relevant only for error flows that use `ApiResponseErrorDescription`. format: int32 nullable: true Result: description: Business payload returned by the endpoint. nullable: true oneOf: - $ref: '#/components/schemas/CancelOrderResponse' Code: type: string description: >- Endpoint-specific business code formatted as a two-digit string, such as `03` or `07`. This field is available for success, warning and error outcomes. nullable: true CodeName: type: string description: >- Symbolic enum name associated with `Code`, such as `CheckoutNotFound`. nullable: true Severity: description: >- Final severity of the response. `Success` means the action completed as expected, `Warning` means the request was valid but the business outcome is informational or non-ideal, and `Error` means the request should be treated as a failure. oneOf: - $ref: '#/components/schemas/ExternalApiResponseSeverity' HasWarning: type: boolean description: >- Convenience flag that is `true` when `Severity` is `Warning`. Warnings are valid `200 OK` business outcomes and should not be handled as transport or validation errors. HasError: type: boolean description: >- Indicates whether the request failed and should be handled as an error response. This flag is reserved for real API errors; warnings must keep this property as `false`. CancelOrderResponse: type: object additionalProperties: false properties: isCanceled: type: boolean description: If true the order was found and Cancelled UpdatedAt: type: string description: The time the order was canceled format: date-time Status: description: Order status. oneOf: - $ref: '#/components/schemas/OrderRequestStatus' ExternalApiResponseSeverity: type: integer description: |- 0 = Success 1 = Warning 2 = Error x-enumNames: - Success - Warning - Error enum: - 0 - 1 - 2 OrderRequestStatus: type: integer description: |- Order Status model 0 = Accepted 1 = Refuse 2 = Error 3 = Completed 4 = Cancel x-enumNames: - Accepted - Refuse - Error - Completed - Cancel enum: - 0 - 1 - 2 - 3 - 4 securitySchemes: Basic Authentication: type: http description: Use API Basic Auth Keys name: Basic Authentication in: header scheme: basic ````