toolgrep / AI agents & frameworks
ThunderPhone
AI phone agents: build, test, and deploy production voice agents on one integrated stack
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ThunderPhone is a voice AI platform for building and running AI phone agents over real telephony, web widgets, and apps. It provides inbound and outbound calling, outbound campaigns with CSV uploads and timezone-based calling windows, SIP trunking, DTMF capture, transfers, voicemail detection, knowledge grounding, live supervision, A/B experiments, and monitoring. Agents can be built via a no-code dashboard, a REST API and realtime WebSocket API, or imported from Vapi, Retell, ElevenLabs, or Bland. Pricing is per-minute with three tiers: Spark (2¢/min), Bolt (5¢/min), and Storm (9¢/min), plus optional add-ons. Supports 47 languages, with HIPAA and GDPR compliance (BAA/DPA available).
- Category
- AI agents & frameworks
- Pricing
- usage_based · from 2¢/min (Spark tier; Bolt 5¢/min, Storm 9¢/min; enterprise rates from 1¢/min)
- Free tier
- unknown
- API
- yes
- MCP server
- yes
- SDK
- unknown
- Open source
- no
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Listed 2026-10-25 · last verified 2026-10-25 · extracted by @cf/zai-org/glm-5.3-flash · confidence 0.95
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