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 These figures reflect RECATOOLS research as of 12 Jul 2026 and may be out of date or incomplete.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
ASEAN Perspective
Bolna in Southeast Asia
ASEAN-region availability and pricing notes coming soon. Drop the editorial team a note via /contact/ if you can supply local context (Singapore/Malaysia/Indonesia/Thailand/Vietnam).
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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