volai

Czech phone numbers, calls, SMS and a voice agent in one API

Czech telephony API for developers: buy Czech (and Slovak Bratislava) phone numbers, place and receive calls, send SMS, and run a Czech-speaking AI voice agent through one REST API and an MCP server. Billed per second in CZK with prepaid credit, no contract. Includes webhooks with HMAC signatures, call recordings and transcripts, SIP bring-your-own-agent support, outbound calling campaigns, and integrations with Claude Code, Cursor, Windsurf, n8n, Make, and Zapier.

Category: Email & messaging
Pricing: usage_based · from 0.50 CZK/min inbound calls; 0.92 CZK/min outbound calls; 1.36 CZK per SMS; 2.50 CZK/min voice agent surcharge; numbers from 25.00 CZK/month; monthly plan from 490 CZK
Free tier: yes
API: yes
MCP server: yes
SDK: no
Open source: no

#telephony #sms #voice-agent #mcp #rest-api #phone-numbers #sip #webhooks

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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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