> ## Documentation Index > Fetch the complete documentation index at: https://docs.leapfinancial.com/llms.txt > Use this file to discover all available pages before exploring further. # Cancel an operation > Cancels a transfer using the same rules as the widget receipt button. Allowed only inside the cancellation window, and only when the operation is not in flight, already paid out, failed, or already cancelled. `void` stops the canonical operation before funds move. `request` also asks the corridor to cancel native execution (that can reverse funds). A refusal is HTTP 409 with `error.code`, `error.data.unavailableReason`, `error.data.retryable`, and `error.data.nextStep`. ## OpenAPI ````yaml /raas-widgets/openapi.json post /partner/operations/{operationId}/cancel openapi: 3.0.0 info: title: RaaS Widgets Partner API description: > REST API for RaaS Widgets partner integrations. Create magic links for embeddable flows, manage end users, track transfer operations, handle CIP verification, and configure webhooks for real-time event notifications. This specification covers the **Partner-accessible API** only (`X-API-Key` against `/partner/*`). Widget and Superadmin APIs are out of scope. ## Authentication All endpoints require an API key passed in the `X-API-Key` header. Use `raas_sandbox_*` keys for the sandbox environment and `raas_live_*` keys for production. ## Environments | Environment | Base URL | |---|---| | Sandbox | `https://api.sandbox.raas-widgets.leapfinancial.com` | version: 3.16.2 contact: {} servers: - url: https://api.sandbox.raas-widgets.leapfinancial.com description: Sandbox security: [] tags: - name: Partner - Magic Links description: Create, list, and manage magic links for flows - name: Partner - Flows description: List enabled flows and the full flow catalog - name: Partner - Users description: View and manage end users associated with your partner account - name: Partner - Operations description: Track money transfer operations and their statuses - name: Partner - Requests description: List and inspect money-request records - name: Partner - Deferred Payouts description: List, inspect, and cancel deferred payout remittances - name: Partner - CIP description: Customer Identification Program (CIP) verification management - name: Partner - Data Requests description: Fulfill data requests for additional user information - name: Partner - Settings description: Configure partner-level settings (redirect URLs, logo, etc.) - name: Partner - Webhooks description: Configure webhook endpoints and inspect delivery history - name: Partner - Pricing description: >- Indicative pre-quote summaries (best / worst / averages) for partner integrations paths: /partner/operations/{operationId}/cancel: post: tags: - Partner - Operations summary: Cancel an operation description: >- Cancels a transfer using the same rules as the widget receipt button. Allowed only inside the cancellation window, and only when the operation is not in flight, already paid out, failed, or already cancelled. `void` stops the canonical operation before funds move. `request` also asks the corridor to cancel native execution (that can reverse funds). A refusal is HTTP 409 with `error.code`, `error.data.unavailableReason`, `error.data.retryable`, and `error.data.nextStep`. operationId: OperationsController_cancelOperation parameters: - name: operationId required: true in: path description: Unique operation identifier schema: type: string example: op_acme_abc123 requestBody: required: false content: application/json: schema: $ref: '#/components/schemas/CancelPartnerOperationDto' responses: '200': description: Operation cancelled content: application/json: schema: $ref: '#/components/schemas/CancelPartnerOperationResponseDto' '401': description: Unauthorized — invalid or missing API key / bearer token '404': description: Operation not found for this partner '409': description: >- Cannot cancel. error.code is WINDOW_EXPIRED, ALREADY_SETTLED, ALREADY_CANCELLED, or IN_FLIGHT. error.data.nextStep says what to do. security: - api-key: [] components: schemas: CancelPartnerOperationDto: type: object properties: reason: type: string description: >- Why the partner is cancelling. Stored on the operation and sent on the operation.cancelled webhook. maxLength: 500 example: Customer asked us to stop this transfer. CancelPartnerOperationResponseDto: type: object properties: success: type: boolean example: true data: $ref: '#/components/schemas/CancelPartnerOperationDataDto' required: - success - data CancelPartnerOperationDataDto: type: object properties: operationId: type: string example: op_acme_abc123 status: type: string enum: - cancelled example: cancelled mode: type: string enum: - void - request example: request cancellationReason: type: string example: Customer asked us to stop this transfer. cancelledAt: type: string example: '2026-08-28T12:10:00.000Z' corridorCancel: $ref: '#/components/schemas/PartnerCorridorCancelDto' required: - operationId - status - mode - cancellationReason - cancelledAt - corridorCancel PartnerCorridorCancelDto: type: object properties: outcome: type: string enum: - ok - failed - not_applicable description: >- ok: corridor cancelExecution succeeded. failed: corridor call failed after the canonical operation was cancelled (support Inbox is raised). not_applicable: no corridor operation id. error: type: string description: Corridor error message when outcome is failed required: - outcome securitySchemes: api-key: type: apiKey in: header name: X-API-Key description: >- Your partner API key. Use `raas_sandbox_*` keys for the sandbox environment and `raas_live_*` keys for production. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.