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Bolna supports a wide range of customizable voice agents. From free-flowing conversational assistants to structured IVR-style bots.You can build agents for use cases like lead qualification, customer support, interviews, appointment bookings, call transfers, and more.Get started with our Agent template library or explore the Playground agent setup guide.
Bolna offers transparent usage-based pricing:
  • Call pricing: $0.02/min platform fee (plus provider charges).
Please refer to the cost & pricing documentation for detailed information. For high-volume usage, explore our Enterprise Plan with customized volume-based discounts.
By default, Bolna allows up to 10 concurrent calls for paid users. Learn more about outbound calling concurrency or request higher limits via the Enterprise Plan for large-scale deployments and batch calling capabilities.
Yes. You can either:
  • Buy phone numbers directly from the Bolna Dashboard.
  • Use your own telephony account (e.g., Twilio or Plivo) to connect and use your own manageed dedicated phone numbers.
No - Phone numbers purchased on Bolna can only be used with Bolna Voice AI agents.
Absolutely. Bolna integrates seamlessly with third-party telephony providers like Twilio and Plivo, allowing you to use your own account and phone numbers.
Yes. Bolna supports multiple languages and voices. You can create agents in various languages (e.g., English, Hindi) using built-in multilingual support across speech-to-text, LLM, and text-to-speech components.Find the list of all supported languages and learn how to write prompts for multilingual agents.
Yes, definitely. Bolna AI is an API-first platform providing a comprehensive API suite to:
Yes. The platform supports shared access where you can add your team (developers, operators, analysts, etc.) to collaborate within the Bolna dashboard. APIs also allow scoped access through sub‑accounts.
Yes. Bolna supports multiple sub-accounts, designed for enterprise-level teams to isolate projects, billing, and permissions—fully manageable via the API.
Yes - Bolna AI supports on-premise deployments.You can run the complete Bolna platform on your own infrastructure (e.g., private cloud or on-premise servers) instead of the hosted Bolna service.
On-premise is available only for enterprise customers. Please reach out to us at enterprise@bolna.ai or schedule a call https://bolna.ai/meet for more information.
Not yet. SIP connectivity is not currently supported on Bolna Voice AI.However, native SIP integration is on our roadmap to enable direct enterprise-grade connectivity with PBX systems and VoIP infrastructure.You can currently use Twilio, Plivo or Exotel integrations for all telephony and call-routing needs.
All agents created on Bolna undergo internal compliance and safety checks.If you see a message such as “Agent is restricted due to disallowed content. Please review and update it.”, it means your agent’s configuration or prompt may have triggered a violation of Bolna’s content safety policies.Disallowed content includes (but is not limited to):
  • Illegal activities or solicitation
  • Scam or fraud-related behavior
  • Profanity or hate speech
  • NSFW, adult, or sexually explicit content
  • Harmful or misleading information
To resolve this, please review and modify your agent’s prompt, instructions, or behavior to ensure it adheres to a valid use-case.
Once updated, you can re-save the agent to re-trigger validation.