generated: '2026-07-17'
method: searched
source: https://developers.kaleyra.io/docs/release-notes-kaleyra-io-sms
notes: >-
  Kaleyra publishes dated release notes per channel/product under the developer
  hub (release-notes-summary aggregates SMS, WhatsApp, Voice, Email, RCS,
  integrations, solutions). Recent SMS-channel entries captured below; the live
  release notes remain the source of truth.
scheme: dated release notes (per channel)
index: https://developers.kaleyra.io/docs/release-notes-summary
entries:
- date: '2024-12-09'
  channel: SMS
  highlights: Added dynamic variables for SMS callbacks; fixed URL shortener and filter issues.
- date: '2024-11-20'
  channel: SMS
  highlights: SMS message bodies can now be sent via callback; resolved double-hyphen URL issues.
- date: '2024-08-05'
  channel: SMS
  highlights: Added support for underscore character in template/keyword fields.
- date: '2024-07-16'
  channel: SMS
  breaking: false
  highlights: Increased JSON/XML API node limit to 1000; improved error messaging.
- date: '2024-06-25'
  channel: SMS
  highlights: Long URLs auto-shortened in SMS API; added campaign_name parameter support.
- date: '2024-06-03'
  channel: SMS
  highlights: Updated operator rejection status language; added URL expiry support.
- date: '2024-05-13'
  channel: SMS
  highlights: Long messages can be delivered in parts; charging for shared codes.
- date: '2024-04-22'
  channel: SMS
  breaking: true
  highlights: Removed failover and SOIP API support; added SMS archival-policy notice.
- date: '2024-04-01'
  channel: SMS
  highlights: SMS APIs now support country codes in the prefix attribute.
- date: '2024-03-11'
  channel: SMS
  highlights: Removed pricing change alert; fixed Verify feature configuration issues.