Vonage, the cloud‑communications arm of Telefonaktiebolaget LM Ericsson, rolled out a new suite of fraud‑prevention Network APIs on November 17, 2025. The launch covers the United States and, through the same code base, is immediately available on all major U.S. carriers. The APIs—Silent Authentication and SIM‑Swap detection—provide developers with carrier‑verified trust signals that enable frictionless authentication and real‑time fraud detection.
The Silent Authentication API lets applications verify a user’s device and network state without prompting the user, while the SIM‑Swap detection API monitors for unauthorized SIM changes and alerts the application before a fraudster can hijack a number. Both services are the first of their kind to be offered across every major U.S. carrier, giving Vonage a first‑mover advantage in a market where identity fraud costs U.S. businesses billions each year.
This launch is a key element of Ericsson’s broader strategy to monetize programmable network capabilities. By aggregating network resources through its Aduna joint venture, Ericsson can expose carrier infrastructure to developers via APIs, creating a new, higher‑margin revenue stream. Market research projects the global telecom‑API market to reach $13.4 billion by 2028, with security APIs expected to be the most lucrative sub‑segment.
Early adopters such as Freenow, a Lyft subsidiary, and Persona have already integrated the APIs, validating commercial demand. Freenow uses Silent Authentication to streamline ride‑hailing sign‑ups, while Persona leverages SIM‑Swap detection to protect its identity‑verification platform.
Ericsson’s CEO Börje Ekholm highlighted the launch in a recent earnings call, noting that “momentum around programmable networks for differentiated performance continued to build, and customers increasingly recognize the benefits of making mobile networks accessible through APIs.” The new APIs reinforce Vonage’s position as a cloud‑communications platform and support Ericsson’s shift toward higher‑margin, service‑oriented offerings.
Identity‑related fraud affects 84 % of U.S. businesses, and the surge in unauthorized SIM swaps—over 1,000 % year‑over‑year—underscores the urgency of robust fraud‑prevention solutions. By providing real‑time, carrier‑verified signals, Vonage’s new APIs address a critical market need and position Ericsson to capture a growing share of the security‑API market.
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