Spark usage
From $0.02/min
USD per live minute; add-ons and telephony separate
- Included scope
- Base voice-agent stack
Voice agents and call infrastructure · Official-source review 2026-10-09
ThunderPhone runs inbound and outbound voice agents with SIP, web widgets, knowledge retrieval and call monitoring. It supports transfers, DTMF and dashboard/API campaign workflows.
Understand the total cost
Spark usage
From $0.02/min
USD per live minute; add-ons and telephony separate
Bolt usage
From $0.05/min
USD per live minute; add-ons separate
Storm usage
From $0.09/min
USD per live minute; optional extras separate
No retained pricing changes yet. A current price alone does not establish a historical trend.
Current official product source read individually; product artwork inspected visually.
Read original source ↗Official pricing and billing restrictions read individually.
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
ThunderPhone offers a way to start free, but not a standard ongoing plan. Start free is advertised; recurring free minutes and initial credit quantity were not verified.
ThunderPhone does not publish a monthly price we could confirm.
API or developer access is mentioned. Call and campaign APIs and SIP integration are documented; optional numbers and carrier usage have separate terms.