> ## Documentation Index > Fetch the complete documentation index at: https://developer.sandbox.co.in/llms.txt > Use this file to discover all available pages before exploring further. # Extend E-Way Bill Validity > With this API, businesses can extend validity of the E-Way Bill. You can extend an E-Way Bill up to eight hours before or after it expires. The validity extension will be based on the remaining distance to be traveled. #### Request body schema ## OpenAPI ````yaml api-reference/gst/compliance/openapi.json POST /gst/compliance/e-way-bill/transporter/bill/{ewb_no}/extend openapi: 3.0.1 info: title: compliance description: >- **GST Compliance API** enables businesses to automate compliance requirements like [Taxpayer verification](https://developer.sandbox.co.in/reference/search-gstin-api), [GSTR Filing](https://developer.sandbox.co.in/reference/gst-taxpayer-authentication), [Generating E-Invoices](https://developer.sandbox.co.in/reference/e-invoice-authentication-api), and [E-Way Bills](https://developer.sandbox.co.in/reference/e-way-bill-authentication-api).We provide these APIs from GSTN-authorised GST Suvidha Providers, handling the encryption-decryption and signing so you don't have to handle the complexities. version: 1.0.0 servers: - url: https://api.sandbox.co.in - url: https://test-api.sandbox.co.in security: [] tags: - name: Public - name: Taxpayer - name: Taxpayer Auth - name: Returns - name: GSTR-1 Documents - name: File GSTR-1 - name: GSTR-2A Documents - name: GSTR-2B Document - name: File GSTR-3B - name: GSTR-4 - name: File GSTR-9 - name: Invoice Management System - name: GSTR-1A Documents - name: File GSTR-1A - name: Ledgers - name: e-Invoice - name: Sales e-Invoices for return period - name: Purchase e-Invoices for return period - name: Front Office Notices - name: Front Office - name: AATO - name: e-Invoice1 - name: Authentication - name: e-Invoice12 - name: E-Way Bill - name: E-Way Bill1 - name: Authentication1 - name: Consignor - name: Consolidated E-Way Bill - name: Multi-Vehicle Movement - name: Consignee - name: Transporter - name: Consolidated E-Way Bill1 - name: Multi-vehicle Movement - name: Common paths: /gst/compliance/e-way-bill/transporter/bill/{ewb_no}/extend: post: tags: - E-Way Bill1 - Transporter summary: Extend E-Way Bill Validity operationId: extendEWayBillValidity1 parameters: - name: ewb_no in: path description: '' required: true example: '' schema: type: string - name: authorization in: header description: >- E-Way Bill access token. For token-generation steps, refer to the [Generate E-Way Bill Session](/recipes/gst/authentication/generate_e_way_bill_session) recipe, then pass the token in the authorization header. required: true example: '' schema: type: string - name: x-api-version in: header description: API version required: false example: '' schema: type: string default: 1.0.0 - name: x-api-key in: header description: API key for identification required: true example: '' schema: type: string requestBody: content: application/json: schema: type: object properties: {} examples: 200 Success: value: ewbNo: 291210077217 vehicleNo: PQR1234 fromPlace: Bengaluru fromState: 29 remainingDistance: 50 transDocNo: '1234' transMode: '5' extnRsnCode: 1 extnRemarks: Flood fromPincode: 560090 consignmentStatus: T transitType: R addressLine1: Bengaluru addressLine2: Bengaluru addressLine3: Bengaluru summary: 200 Success 382 Validity can be only extended in last 8 hours: value: ewbNo: 261010077217 vehicleNo: PQR1234 fromPlace: Bengaluru fromState: 29 remainingDistance: 50 transDocNo: '1234' transMode: '5' extnRsnCode: 1 extnRemarks: Flood fromPincode: 560090 consignmentStatus: T transitType: R addressLine1: Bengaluru addressLine2: Bengaluru addressLine3: Bengaluru summary: 382 Validity can be only extended in last 8 hours 705 Invalid transit type: value: ewbNo: 231010079649 vehicleNo: PQR1234 fromPlace: Bengaluru fromState: 29 remainingDistance: 50 transDocNo: '1234' transMode: '5' extnRsnCode: 1 extnRemarks: Flood fromPincode: 560090 consignmentStatus: T transitType: Q addressLine1: Bengaluru addressLine2: Bengaluru addressLine3: Bengaluru summary: 705 Invalid transit type responses: '200': description: >- 200 Success / 382 Validity can be only extended in last 8 hours / 705 Invalid transit type content: application/json: schema: type: object properties: code: type: number example: 200 data: type: object properties: alert: type: string nullable: true example: null data: type: object properties: ewayBillNo: type: string example: '291210077217' updatedDate: type: string example: 26/04/2024 05:07:00 PM validUpto: type: string example: 21/05/2024 23:59:00 PM error: type: object properties: errorCodes: type: string example: '382' info: type: string example: '' status: type: string example: '1' timestamp: type: number example: 1763446641000 transaction_id: type: string example: 9c038b5a-ed68-478c-a727-591904aa91bb examples: 200 Success: summary: 200 Success value: code: 200 data: alert: null data: ewayBillNo: '291210077217' updatedDate: 26/04/2024 05:07:00 PM validUpto: 21/05/2024 23:59:00 PM status: '1' timestamp: 1763446641000 transaction_id: 9c038b5a-ed68-478c-a727-591904aa91bb 382 Validity can be only extended in last 8 hours: summary: 382 Validity can be only extended in last 8 hours value: code: 200 data: error: errorCodes: '382' info: '' status: '0' timestamp: 1763446641000 transaction_id: f94e2eeb-ae54-439e-9410-98862d51230f 705 Invalid transit type: summary: 705 Invalid transit type value: code: 200 data: error: errorCodes: '705, ' info: '' status: '0' timestamp: 1763446641000 transaction_id: 41c4664d-db30-4c78-8b77-5a55c5557609 headers: {} deprecated: false security: [] ````