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Guides
How to build AI agents that handle SMS 2FA on real carrier numbers: polling the 15-minute window, automatic refunds, and setup via MCP, skill or REST API.
12 min read8 stepsUpdated
Guides
What a non-VoIP number is, how platforms classify VoIP lines (line type, carrier, routing, tenure), why codes fail, and when you need a carrier number.
11 min readUpdated
