---
agentTools:
  projectIndex: https://docs.datasure.net/llms.txt
---

# MyDatasure : improvements 03/09/2026

The following changes will be deployed on Tuesday, September 3, at 10:00 p.m. CET.<br />

## Breaking changes

### <br />SecuSign API

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#### Phone number format

<br />Only phone numbers in the international E.164 format will be accepted.<br />When creating a signer, the API will return a 422 error if the phone number is invalid.<br />For signers created before this change is deployed, an error will be returned when requesting an OTP if the registered phone number is invalid.<br />Please ensure that all phone numbers comply with the E.164 format.<br />

## Improvements<br />

Enhanced security across MyDatasure services.<br />

Additional information added to the signature evidence file.<br />

Signature evidence files are now available in English and Spanish.

## Bug fixes

<br />Fixed an issue affecting data display on the signature certificate page.

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