Announcing Twilio Lookup Line Status Public Beta: Verify Number Deliverability Before You Send

Twilio has launched the public beta of its Lookup Line Status feature, which allows businesses to verify the deliverability of phone numbers before sending messages, thereby optimizing communication workflows and reducing costs associated with undelivered messages. This tool provides real-time insights by querying mobile operator networks to determine if a phone number is active, inactive, reachable, or unreachable, ensuring that marketing messages and authentication traffic target only valid recipients. By integrating advanced real-time data, Twilio has enhanced accuracy for U.S. phone numbers to 99.1%, minimizing errors and improving trust in automated workflows. The Lookup Line Status API is designed to be easily integrated into existing systems, offering phone number status checks with an average response latency of 1.2 seconds. Pricing is structured with volume-tiered discounts, and the service supports phone numbers globally.

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