# Filed depreciation phone number api

**URL:** <https://community.retellai.com/t/filed-depreciation-phone-number-api/2201>\
**Category:** Support Help\
**Tags:** telephony\
**Created:** [April 1, 2026, 9:22pm UTC](https://community.retellai.com/t/filed-depreciation-phone-number-api/2201 "2026-04-01T21:22:36Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![robnsjourney](https://yyz2.discourse-cdn.com/flex008/user_avatar/community.retellai.com/robnsjourney/32/1140_2.png) [@robnsjourney](https://community.retellai.com/u/robnsjourney)\
**Post date:** [April 1, 2026, 9:22pm UTC](https://community.retellai.com/t/filed-depreciation-phone-number-api/2201/1 "2026-04-01T21:22:36Z")

</div>

I received this email, I have clients that are currently live, help me determine what I should do so that the service is not interrupted

As we announced back in the previous email, we will be [deprecating some fields in Phone Number APIs](https://email.notif.retellai.com/c/eJxsk09zozgQxT-NuGzNFIg_ggMHg4PX8diOScKQvVBCElhGSEQIx_jTb9nJbu1W5fprqbvrvdek4jRWD66d25o-7VnWkT-fTsf6YNGYEkQC16Kqx1zGUhne_NTMMCEw_0lU_1Wp1IdkejzyoTLzwGKhCDZcfXJqsdhByLf9AAXIYj3mourZOOKW3Ua7HVyg_K98fMJF5BVTKunl69W9GcH9gHkr_8Nu34KIUNePIq9x_KhGlOEI2Q7xLSbPXCvZM2niQSs6kdsq1jGGTlAjDAnyPYogRRTVNPBCB9teA0mNLB5DGwa2ZzuO70QQ_cRNiG2XOLbrYY9GCHj2NxqI-GjMMAJ3AWAGYNaq_9UBzO6b_zAak47L9gZwSGsnCGiEgZsRJQ0mZk2Bu3T4OkiDNUHuOy7qTff7ZW4ADCbTV6OaNGHAXd7bfcGeUT71_8A_eqw7ZrhsLUGqT8G4NExLLOJXmI10VXSlA2BCM5oeX2YAk_D8kf56LVfF_ld6TT1vtdu77-3z86U4pDgEMDnwfbAJ9XVfPtqrZrTNusueREkATJL593raLRIAs9F7e9_rYeuMc45nADO4ywa4KHCzvVwBzKbN8-j5j9lj9lCM16kEMGmTiC-i1dshC50dn7ejn5fLgWDXgeWjviyEaFJcz3m7316Eu98-wL5_fQEwC-GELjtn07jrJbdxl4h2d9pli5An7UuuypDmD-_z0KLAvZKbI4E4tcBdWkLd0x7J15PYHIptWR6wSPP5yN-snpmjojEeuDVodeaU6VgwTImSkhGjtKVjrWo5ntSkJZuBZ7c3ge8Z-PQm_jSaj-cfH0p3TFvmdgvVt_NMTFRffXt4Jmam-jf35xj-HQAA___c8zn3).

**Log analysis indicated recent use of the deprecated APIs by your organization.**

We will be removing backwards compatibility for these APIs shortly and your scripts and/or integrations **WILL BREAK** unless updated to use the new API.

Please reply us if you have any questions.

---

<div class="post-metadata">

**Author:** ![mark1](https://yyz2.discourse-cdn.com/flex008/user_avatar/community.retellai.com/mark1/32/2524_2.png) [@mark1](https://community.retellai.com/u/mark1)\
**Post date:** [April 1, 2026, 9:27pm UTC](https://community.retellai.com/t/filed-depreciation-phone-number-api/2201/2 "2026-04-01T21:27:11Z")

</div>

Hi @robnsjourney

You can refer to this documentation for a better understanding of the deprecation:  
([Deprecation Notice – Phone Number Agent Fields](https://www.retellai.com/changelog?utm_source=chatgpt.com))

This page outlines the changes to phone number agent fields and what needs to be updated moving forward. We recommend reviewing it to ensure your setup is aligned with the latest updates.

Thank You