# retirementbatch-v1 View or submit a retirement request, or redemption claim, on instrument(s). ## Retrieve retirement request details - [POST /api/ledger/{ledgerIdentifier}/retirementBatch/byIdentifier](https://developer.xpansiv.com/openapi/optimal-v1/optimal.transferposition.v1.openapi/retirementbatch-v1/getretirementbatchesbyidentifier.md): View retirement details using the retirement batch identifier ## Initiate a retirement request - [POST /api/ledger/{ledgerIdentifier}/retire](https://developer.xpansiv.com/openapi/optimal-v1/optimal.transferposition.v1.openapi/retirementbatch-v1/initiateretirements.md): Retire, or claim, instruments against an obligation