> ## Documentation Index > Fetch the complete documentation index at: https://docs.flowpayroll.ai/llms.txt > Use this file to discover all available pages before exploring further. # Update a PAYE payment for a specific tax year and payment ID > Updates an existing PAYE payment for the current organisation, recalculating due dates, and payment status ## OpenAPI ````yaml /api-reference/specs/pay-api.yaml put /organisation/balances/paye-payments/{taxYear}/payment/{paymentId} openapi: 3.0.3 info: title: FlowPayroll API description: >- API for payroll management, including payroll upload, lock, HMRC submission, employee management version: 0.1.0 servers: - url: https://api.sandbox.flowpayroll.ai/v1 security: - XAuthToken: [] XOrgId: [] tags: - name: Employees description: >- Create, retrieve, update, and delete employee records, and look them up by NI number or payroll ID. - name: Starters & leavers description: Set and clear starter and leaver details, individually or in bulk. - name: Tax codes description: >- Manage employee tax codes and query the effective tax code and NI category on a given date. - name: NI & identifiers description: Manage NI categories, National Insurance numbers, and payroll IDs. - name: Student loans description: Start and end student and postgraduate loans. - name: Payroll setup description: Assign an employee's payroll config and set opening balances. - name: Payroll - name: Payroll lines - name: PayrollConfig - name: Pay Elements - name: Calculator - name: Payslip - name: RTI - name: YearEnd - name: Organisation paths: /organisation/balances/paye-payments/{taxYear}/payment/{paymentId}: put: tags: - Organisation summary: Update a PAYE payment for a specific tax year and payment ID description: >- Updates an existing PAYE payment for the current organisation, recalculating due dates, and payment status operationId: updatePayePayment parameters: - name: taxYear in: path required: true schema: type: integer minimum: 1800 maximum: 3000 description: The tax year for the payment - name: paymentId in: path required: true schema: type: string description: The unique identifier of the payment to update requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/UpdatablePayePaymentDto' example: paymentReference: PAYE_2024_001_UPDATED amountPaid: 2000 paymentDate: '2024-05-25' notes: Updated payment amount and date responses: '200': description: Successfully updated PAYE payment content: application/json: schema: allOf: - $ref: '#/components/schemas/ResponseBody' - type: object properties: data: $ref: '#/components/schemas/PayePaymentDto' '400': description: Invalid request body, tax year, period, or payment ID content: application/json: schema: $ref: '#/components/schemas/ResponseBody' '404': description: Payment not found content: application/json: schema: $ref: '#/components/schemas/ResponseBody' '500': description: Internal server error content: application/json: schema: $ref: '#/components/schemas/ResponseBody' components: schemas: UpdatablePayePaymentDto: type: object description: Request body for recording a PAYE payment required: - paymentReference - amountPaid - paymentDate properties: paymentReference: type: string description: The payment reference used example: PAYE_2024_001 amountPaid: type: number format: decimal description: The amount paid to HMRC example: 1500 paymentDate: type: string format: date description: The date the payment was made example: '2024-05-22' notes: type: string nullable: true description: Notes about the payment (e.g., how it was made, who made it) example: BACS payment via online banking ResponseBody: type: object properties: message: $ref: '#/components/schemas/MessageWithTokenResponse' content: type: object properties: data: type: object nullable: true metadata: type: object nullable: true properties: dateFormat: type: string default: yyyy-MM-dd dateTimeFormat: type: string default: yyyy-MM-ddTHH:mm:ss.fffZ paginationToken: type: string nullable: true validationIssues: type: array items: $ref: '#/components/schemas/ValidationIssue' messageToken: type: string PayePaymentDto: type: object description: Response containing the recorded PAYE payment details allOf: - $ref: '#/components/schemas/UpdatablePayePaymentDto' - type: object required: - paymentId - organisationId - dueDate - isOnTime - period - taxYear - createdDate - createdBy - updatedDate - updatedBy properties: paymentId: type: string description: The unique identifier for the payment example: PAY_2024_001 organisationId: type: string description: The organisation ID example: org_123 dueDate: type: string format: date description: The due date for this payment (22nd of next tax month) example: '2024-05-22' isOnTime: type: boolean description: Whether the payment was made on time example: true period: type: integer description: The period of the payment (1-12 for monthly, 1-4 for quarterly) example: 5 taxYear: type: integer description: The tax year this payment relates to example: 2024 createdDate: type: string format: date-time description: The created date example: '2024-05-22T10:00:00Z' createdBy: type: string description: The created by example: user_123 updatedDate: type: string format: date-time description: The updated date example: '2024-05-22T10:00:00Z' updatedBy: type: string description: The updated by example: user_123 MessageWithTokenResponse: type: object properties: text: type: string token: type: string tokenArguments: type: array items: $ref: '#/components/schemas/ValidationIssueArgument' ValidationIssue: type: object description: > Field validation item. `reasonToken` is a stable snake_case key for i18n or custom client messages; `reason` is the default English text from the API. properties: field: type: string description: Dot-path of the field (e.g. name.firstName, address.line1). reason: type: string description: Default human-readable message. reasonToken: type: string description: Machine-readable error identifier (snake_case). reasonTokenArguments: type: array nullable: true items: $ref: '#/components/schemas/ValidationIssueArgument' ValidationIssueArgument: type: object properties: name: type: string value: type: string securitySchemes: XAuthToken: type: apiKey in: header name: X-Auth-Token description: Access token obtained from OAuth2 client credentials flow XOrgId: type: apiKey in: header name: X-Org-Id description: >- Organisation to scope the request to. Required when the principal can access more than one organisation; optional for single-organisation principals (the authorizer resolves it automatically). ````