SMS and Voice Multi-Factor Authentication Services

The buyer requires a vendor to provide fully managed outbound SMS and automated voice call delivery services for multi-factor authentication and agency-authorized notifications. The buyer seeks a fully documented and supported API that allows agency applications to send messages, alongside technical materials, training, and assistance for integration maintenance. Monthly usage averages about 2.5 million SMS messages and 60,000 voice minutes. The contractor will perform the work offsite, operating the messaging service according to agency specifications, service levels, and statutory requirements. Eligibility restricts participation to onshore US organizations only. The buyer is looking for proposals to establish the budget. Key dates include a non-mandatory pre-bid meeting scheduled for September 1, 2026.