Bolna
Open-source voice AI agents built for India's languages and telephony
Overview
Bolna is a Y Combinator-backed, open-source voice AI platform for building inbound and outbound call agents across 10+ Indian and global languages with sub-300ms latency. It offers a no-code builder plus a developer API, and its core orchestration engine is open source on GitHub.
Pricing
Pricing shown for reference only. These figures reflect RECATOOLS research as of 3 Sep 2026 and may be out of date or incomplete. This is not financial or purchasing advice — always confirm the current price on the provider’s official website before making any decision.
- Buy credits from $10 to $5,000
- Top up when balance is low
- $5 free credit on signup
- 12,000 minutes included
- Up to 100 concurrent calls
- 1 pre-configured voice agent
- Free phone number for first 30 days
- Best-in-class rates at volume
- Custom integrations & deployment
- Priority support
- Dedicated account manager
What you can produce with Bolna
- Open-source orchestration engine (github.com/bolna-ai/bolna)
- No-code agent builder + developer API
- Twilio, Plivo, Exotel telephony integration
- Sub-300ms response latency
- 10+ Indian and global language support
- Multi-provider LLM/STT/TTS routing (LiteLLM)
- Usage-based pay-as-you-go pricing
Bolna's real differentiator is that its orchestration engine is open source — the same code powering the hosted platform sits on GitHub under bolna-ai/bolna, so developers can self-host, inspect the pipeline, or swap in their own STT/LLM/TTS providers instead of trusting a black box. Layered on top is a hosted, usage-based product built for India's telephony realities: Hindi and regional-language support, sub-300ms response latency, and integrations with Twilio, Plivo and Exotel.
Early customer reception (Product Hunt) is positive on conversational feel — one reviewer called an agent's pacing and pause-handling "not robotic at all." But Trustpilot carries a warning sign: at least one reviewer describes months of unanswered refund requests and no working support contact, a real red flag for a company handling live customer calls. With $6.3M raised (General Catalyst, YC) and roughly $700K ARR as of early 2026, Bolna is still small — evaluate the support experience directly before committing production call volume.
What people say
Bolna's clearest credential is the open-source repository at github.com/bolna-ai/bolna, described by the team as the production backbone behind their hosted API and dashboard — any new integration or feature reportedly lands there first before reaching the hosted product. That's unusual in the enterprise voice-AI category covered here, where every other vendor (Giga, Lorikeet, Yellow.ai, Haptik) is a closed, sales-gated platform. It also means Bolna's technical claims are, to a degree, independently checkable: the repo documents Twilio/Plivo/Exotel telephony support, Deepgram and Azure transcription, and LiteLLM-routed access to OpenAI, DeepSeek, Llama, Cohere and Mistral.
On funding, TechCrunch reported a $6.3M seed round in January 2026 led by General Catalyst, with Y Combinator, Blume Ventures, Orange Collective and others participating — bringing total raised to roughly $6.92M. The same coverage put Bolna at over 200,000 calls handled per day and closing in on $700,000 ARR, with customers including car-reselling platform Spinny and on-demand services startup Snabbit — mostly small-to-midsize, self-serve accounts rather than the Fortune-scale references its Agents & Automation peers cite.
User sentiment is mixed and thin. On Product Hunt, at least one reviewer described a call as "super smooth," noting thoughtful follow-up questions and natural pause-handling that "didn't feel robotic." That's consistent with Bolna's sub-300ms latency claim. Trustpilot tells a different story: a reviewer reported trying to reach the company for months over a refund with no response, no visible support channel, and no working contact number — a serious support-responsiveness complaint for a company selling pay-as-you-go credits that customers need refunded when things go wrong.
Pricing is transparent by category standards: pay-as-you-go credits from $10 to $5,000, a Pilots plan around 6 cents a minute (12,000 minutes included, 100 concurrent calls), and custom enterprise volume deals. That openness — on both code and pricing — is Bolna's pitch against India's crowded voice-AI field (Skit, Smallest, Nurix and others chasing the same market), even if the support-quality signal is not yet as clean as its technical one.
Summary of public user & expert reviews, compiled by RECATOOLS.
About this listing
This entry was compiled from publicly available data including Bolna's official website, press releases, documentation, and reputable third-party publications. RECATOOLS is not affiliated with Bolna unless explicitly stated.
Third-party AI tools update their pricing, features, availability, and policies frequently. Information here may be outdated by the time you read this — we make reasonable efforts to keep listings current, but cannot guarantee absolute accuracy.
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