Twilio Articles

Systematic coverage of global communication infrastructure, regulatory shifts, and API architecture developments.

Apr 13 2026

Transit CallerID Sunset: Migrate to Verified CallerID or Immutable Call Forwarding Before May 31, 2026

  • arrow_right_alt Transit CallerID feature will be fully sunset on May 31, 2026, requiring immediate customer action
  • arrow_right_alt Customers must migrate to either Verified CallerID or Immutable Call Forwarding before the deadline
  • arrow_right_alt This change reflects evolving regulatory requirements around caller ID authentication and fraud prevention
Twilio high impact verified EUM/SES Relevance
Apr 13 2026

7 steps to build a savvy email marketing strategy in 2026

  • arrow_right_alt Twilio recommends a sequential seven-step process starting with goal-setting and audience definition before list building
  • arrow_right_alt Deliverability is positioned as a critical step, emphasizing the importance of sender reputation and technical compliance
  • arrow_right_alt The framework integrates automation and measurement as essential components for scaling and optimizing email campaigns
Twilio medium impact verified EUM/SES Relevance Industry Insights
Apr 09 2026

TCPA Known Litigators Check is now available in Compliance Toolkit

  • arrow_right_alt TCPA Known Litigators Check identifies phone numbers associated with TCPA lawsuit filers and blocks non-essential messages to those numbers
  • arrow_right_alt The feature intelligently distinguishes between marketing/promotional messages (blocked) and essential communications like transactional alerts and OTPs (allowed)
  • arrow_right_alt Blocked messages trigger Error Code 30640, enabling customers to track and manage compliance actions
Twilio high impact verified EUM/SES Relevance
Apr 09 2026

Country Code Geomatch now supports RCS (Beta)

  • arrow_right_alt Country Code Geomatch now supports RCS messaging in public beta, enabling automatic sender selection based on recipient country
  • arrow_right_alt Customers can consolidate multiple country-specific RCS senders into a single Messaging Service instead of maintaining separate services
  • arrow_right_alt The feature eliminates the need for customers to build custom routing logic for multi-country RCS campaigns
Twilio medium impact verified EUM/SES Relevance
Apr 08 2026

What is a customer engagement platform and why does your business need one?

  • arrow_right_alt Customer engagement platforms enable personalization of interactions through unified customer data and segmentation capabilities
  • arrow_right_alt Automation of communications across multiple channels reduces manual effort and improves response times
  • arrow_right_alt Omnichannel messaging integration creates seamless customer experiences and boosts sales effectiveness
Twilio high impact verified EUM/SES Relevance Industry Insights
Apr 08 2026

How to determine if a phone number still belongs to someone with the Twilio Lookup API

  • arrow_right_alt Twilio Lookup API detects reassigned phone numbers to prevent accidental TCPA violations and associated fines
  • arrow_right_alt Verifying number ownership before outreach improves marketing campaign efficiency and targeting accuracy
  • arrow_right_alt Regular number validation helps maintain sender reputation and reduces legal compliance risks
Twilio high impact verified EUM/SES Relevance Developer Insights
Page 1 of 4 Next chevron_right