# Extend Eway Bill Validity

{% embed url="<https://www.mastersindia.co/contact-us/?products=E-Way%20Bill%20API>" %}

<table><thead><tr><th width="238">Name</th><th width="494">Description</th></tr></thead><tbody><tr><td><strong>URL</strong></td><td><a href="https://clientbasic.mastersindia.co/ewayBillValidityExtend">https://clientbasic.mastersindia.co/oauth/access_token</a></td></tr><tr><td><strong>Method Type</strong></td><td>Post</td></tr><tr><td><strong>Post Parameters (JSON Format)</strong></td><td>{ "access_token":"125a27d569ffadf2e4f1bf781ac5ffee0c928de2", "userGstin":"05AAAAU8709K1Z7", "eway_bill_number": 391001769446, "vehicle_number": "PVC1234", "place_of_consignor":"Haridwar", "state_of_consignor":"UTTARAKHAND", "remaining_distance":50, "transporter_document_number": "201301 ", "transporter_document_date": "30/04/2019", "mode_of_transport": "road", "extend_validity_reason":"Natural Calamity", "extend_remarks":"Flood", "from_pincode":248001, "consignment_status":"M", "transit_type":"Road", "address_line1":"Dehradun", "address_line2":"Dehradun", "address_line3":"Dehradun" }</td></tr><tr><td><strong>Success Response</strong></td><td><p>{ </p><p>"results": { "message": { "ewayBillNo": "301001071203", "updatedDate": "19/05/2018 09:20:00 PM", "validUpto": "20/05/2018 11:59:00 PM", "error": false }, "status": "Success", "code": 200 </p><p>} </p><p>}</p></td></tr><tr><td><strong>Error Response</strong></td><td><p>{ </p><p>"results": { "message": "You Cannot Extend as EWB can be Extended only 8 hour before or after w.r.t Validity of EWB..!!", "status": "No Content", "code": 204 </p><p>} </p><p>}</p></td></tr><tr><td>Change Log </td><td>New API Added</td></tr></tbody></table>

{% embed url="<https://www.mastersindia.co/contact-us/?products=E-Way%20Bill%20API>" %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.mastersindia.co/gst-eway-bill-api/extend-eway-bill-validity.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
