From the Editorial Desk

Analysis, references, & buyer's guides.

Published periodically · Last updated May 2026

Long-form reference content covering CPaaS pricing, architecture, vendor selection, and the parts of the market that aren't obvious from a directory grid.

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Reference · 14 min read · May 15

True CPaaS pricing in 2026: per-minute, per-message, and the hidden line items

Published voice and SMS rates only tell you the floor. Here's what the 20 leading providers actually charge once you add carrier surcharges, A2P registration, number rental, and the line items that show up after the first invoice.

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Reference · 11 min read · May 10

Choosing a CPaaS for AI voice agents: STT, LLM, TTS, and telephony as one bill

The new voice-agent stack stitches together speech-to-text, an LLM, text-to-speech, and PSTN telephony. Which CPaaS platforms now offer that as one billing relationship — and which leave you stitching it yourself.

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