> ## Documentation Index > Fetch the complete documentation index at: https://docs.younegotiate.com/llms.txt > Use this file to discover all available pages before exploring further. # Update negotiation expiration date > Update the accepted negotiation first-payment date from the Dashboard > Performance > Negotiated / Pending Payment tab. If the requested date exceeds the account's max first-payment date, the accepted offer is reopened as a consumer counter offer. ## OpenAPI ````yaml /api/creditor.openapi.yaml patch /dashboard/completed-negotiations/{consumer}/negotiation-expiration-date openapi: 3.1.0 info: title: YouNegotiate Creditor API version: '2.0' description: >- Stateless API endpoints for creditor portal authentication and account access. servers: - url: https://api.creditor.younegotiate.com description: Production security: [] tags: - name: System description: Public creditor domain system and health endpoints. - name: Authentication description: Creditor registration, login, password, and email verification endpoints. - name: Account Settings description: >- Authenticated creditor profile, contact, operating-hours, and profile-image endpoints. - name: Account Profile description: >- Creditor onboarding profile, membership, billing, and setup status endpoints. - name: Setup Wizard description: >- Creditor setup wizard status, required-step completion, and optional-step completion. - name: Dashboard description: Creditor dashboard work queues and performance widgets. - name: Import / Export description: >- Creditor consumer import upload sessions, queued imports, history, downloads, and failed-row files. - name: Membership Settings description: >- Creditor membership dashboard, plan changes, payment method, cancellation, special-plan inquiry, and over-limit retry endpoints. - name: Merchant Account description: >- Existing merchant processor credentials, Tilled onboarding, and merchant application endpoints. - name: Header Profiles description: >- CSV header profile upload, mapping, download, and setup wizard completion endpoints. - name: SFTP Connections description: >- Creditor-managed SFTP connection profiles for imports, exports, and setup wizard completion. - name: Sub Accounts description: >- Creditor-managed sub account list, export, create, update, and delete endpoints. - name: Pay Terms Offers description: >- Creditor-managed master, sub-account, group, and group-sub-account Pay Terms endpoints. - name: Individual Custom Offers description: Creditor individual custom offer list endpoints. - name: Negotiations description: >- Creditor negotiation work queues, including notice responses and offer review counts. - name: Communications / CFPB Validation Letter description: >- CFPB Validation Letter tables, secure EcoLetter send/resend, CSV export, and print/download actions. - name: Communications / EcoLetter Template description: >- Creditor EcoLetter template management for secure eLetter communications and campaigns. - name: Communications / Groups description: >- Creditor communication group management for dynamic consumer targeting and campaign selection. - name: Communications / Schedule Campaign description: >- Creditor EcoLetter campaign scheduling, quote, immediate send, and delivery queue endpoints. - name: Communications / Campaign Tracker description: >- Creditor campaign tracker reporting, refresh, and consumer export endpoints. - name: Consumer Profiles description: Creditor Consumer Profiles list, filter options, and CSV export endpoints. - name: Terms & Conditions description: Creditor-managed master and sub-account Terms & Conditions templates. - name: About Us & Contact description: Creditor-managed company About Us content shown to consumers. - name: Logo & Links description: >- Creditor-managed master and sub-account personalized logo colors, size, and consumer link metadata. - name: Users description: >- Master creditor user management, invitations, and account deletion endpoints. paths: /dashboard/completed-negotiations/{consumer}/negotiation-expiration-date: patch: tags: - Dashboard summary: Update negotiation expiration date description: >- Update the accepted negotiation first-payment date from the Dashboard > Performance > Negotiated / Pending Payment tab. If the requested date exceeds the account's max first-payment date, the accepted offer is reopened as a consumer counter offer. operationId: creditorUpdateDashboardCompletedNegotiationExpirationDate parameters: - $ref: '#/components/parameters/DashboardCompletedNegotiationConsumer' requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/DashboardNegotiationExpirationDateRequest' example: first_pay_date: '2026-07-01' responses: '200': description: Negotiation expiration date updated. content: application/json: schema: $ref: >- #/components/schemas/DashboardNegotiationExpirationDateMutationResponse examples: updated: value: message: Your first pay date update successfully. data: id: 123 negotiation_expiration_date: '2026-07-01' offer_accepted: true reopened: value: message: Awesome! Your offer was sent to your creditor! data: id: 123 negotiation_expiration_date: '2026-07-20' offer_accepted: false '401': $ref: '#/components/responses/Unauthenticated' '403': $ref: '#/components/responses/ActiveMembershipRequired' '404': $ref: '#/components/responses/NotFound' '422': $ref: '#/components/responses/ValidationError' security: - bearerAuth: [] components: parameters: DashboardCompletedNegotiationConsumer: name: consumer in: path required: true description: Consumer account ID from the negotiated pending payment row. schema: type: integer schemas: DashboardNegotiationExpirationDateRequest: type: object additionalProperties: false required: - first_pay_date properties: first_pay_date: type: string format: date description: Future first-payment date in `YYYY-MM-DD` format. DashboardNegotiationExpirationDateMutationResponse: type: object additionalProperties: false required: - message - data properties: message: type: string enum: - Your first pay date update successfully. - Awesome! Your offer was sent to your creditor! data: type: object additionalProperties: false required: - id - negotiation_expiration_date - offer_accepted properties: id: type: integer negotiation_expiration_date: type: string format: date offer_accepted: type: boolean MessageResponse: type: object required: - message properties: message: type: string ValidationErrorResponse: type: object required: - message - errors properties: message: type: string errors: type: object additionalProperties: type: array items: type: string responses: Unauthenticated: description: Missing or invalid bearer token. content: application/json: schema: $ref: '#/components/schemas/MessageResponse' ActiveMembershipRequired: description: Authenticated creditor does not have an active membership. content: application/json: schema: $ref: '#/components/schemas/MessageResponse' example: message: An active membership is required. NotFound: description: Resource not found. content: application/json: schema: $ref: '#/components/schemas/MessageResponse' ValidationError: description: Request validation failed. content: application/json: schema: $ref: '#/components/schemas/ValidationErrorResponse' securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: Sanctum token ````