> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://developer.fortresstech.io/api-reference/reversals/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developer.fortresstech.io/_mcp/server. # Reversals Overview > Overview of the Reversals API endpoints and functionality The Reversals API provides endpoints for managing transaction reversals in the financial system. ## Key Concepts ### Reversal Process Reversals allow you to undo or reverse financial transactions: * **Transaction Correction**: Reverse incorrectly posted transactions * **Error Resolution**: Fix accounting errors and misapplied payments * **Audit Trail**: Maintain complete history of original and reversed transactions ### Reversal Management * **Original Transaction Link**: Each reversal is linked to the original transaction * **Balance Adjustment**: Reversals automatically adjust account balances * **Financial Integrity**: Ensures accurate financial records ## Available Endpoints | Endpoint | Summary | Method | | ---------------------------------------------------------------------------------- | -------------- | :----: | | [`/reversals`](/api-reference/reversals/list-reversals) | List Reversals | GET | | [`/transactions/{transactionId}/reversal`](/api-reference/reversals/read-reversal) | Read Reversal | GET | > Overview of the Reversals API endpoints and functionality ## API Docs - Reversals [List Reversals](https://developer.fortresstech.io/api-reference/reversals/list-reversals.md) - Reversals [Read Reversal](https://developer.fortresstech.io/api-reference/reversals/read-reversal.md) - Reversals [Create Reversal](https://developer.fortresstech.io/api-reference/reversals/create-reversal.md) ## OpenAPI Specification The raw OpenAPI 3.1 specification for this API is available at: - [OpenAPI JSON](https://developer.fortresstech.io/openapi.json) - [OpenAPI YAML](https://developer.fortresstech.io/openapi.yaml)