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Bolna is a Voice AI platform offering multilingual voice agents for inbound and outbound calls in 10+ Indian and foreign languages, with sub-300ms latency, bulk calling at scale, and human handoff.
Start here for the decision-making essentials: what Bolna does, who it is for, how it is accessed, and the first-party sources behind this profile.
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Short answers to the questions buyers and builders commonly ask about Bolna. Each answer cites the shared ledger below, where every source is listed once.
Voice AI agents for Indian languages including English, Hindi, and Hinglish for inbound an · Converse fluently in 10+ Indian and foreign languages · Agents reply with under 300ms latency and handle interruptions · Run thousands of AI calls simultaneously for campaigns
Inbound and outbound calls in vernacular Indian languages like English, Hindi, Hinglish.
Customer support, sales, recruitment, lead qualification, and hiring automation via voice · Pre-built agent templates available for E-Commerce, BFSI, Hospitality, Recruitment, Ed Tec · Automating calendar booking, call transfers, and custom API calls during live conversation · Invoking outbound Voice AI phone calls from agents via the Bolna Calling APIs
Scale customer support, sales, recruitment with Bolna Voice Agents.
Maximum 3 retry attempts per contact
Maximum retry attempts: Set up to 3 retry attempts per contact
POST endpoint at https://api.bolna.ai/call using Bearer token auth to trigger outbound cal · Bolna provides a REST API that enables programmatic creation, configuration, and managemen · All Bolna API endpoints require authentication using an API key passed in the Authorizatio · Batch API available alongside the dashboard for programmatic batch management
url = "https://api.bolna.ai/call"
Workflow integrations with n8n, Make.com, and Zapier plus custom API triggers during live · Vobiz telephony integration to manage outbound and inbound calls for India, giving users c · Webhook URL endpoint for receiving real-time call status updates and syncing to CRM
Workflow Integration Easy to integrate with n8n, Make.com, Zapier, and other tools
India/USA specific data residency and on-prem deployment available · Calls can be placed from Bolna-managed or customer-owned phone numbers
100% Data Privacy India / USA specific data residency, on-prep deployment.
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Voice AI Agents for Indian Languages
Voice AI agents for Indian languages including English, Hindi, and Hinglish for inbound an · Converse fluently in 10+ Indian and foreign languages · Agents reply with under 300ms latency and handle interruptions
Voice AI agents for Indian languages including English, Hindi, and Hinglish for inbound and outbound calls
Converse fluently in 10+ Indian and foreign languages
Agents reply with under 300ms latency and handle interruptions
Run thousands of AI calls simultaneously for campaigns
Human-in-the-Loop transfer of a live call to a human agent instantly
Integrated with 20+ ASR, LLM, and TTS models with per-call model switching
Customer support, sales, recruitment, lead qualification, and hiring automation via voice agents
Workflow integrations with n8n, Make.com, and Zapier plus custom API triggers during live calls
India/USA specific data residency and on-prem deployment available
A concise view of the jobs, capabilities and integrations described in the recorded product sources.
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These tools share a workflow, capability or audience with Bolna. They may complement it rather than replace it, and are not presented as integrations or endorsements.
POST endpoint at https://api.bolna.ai/call using Bearer token auth to trigger outbound calls
Pre-built agent templates available for E-Commerce, BFSI, Hospitality, Recruitment, Ed Tech, Health Tech, and Real Estate
Function calling enables Bolna Voice AI agents to execute real-time actions during live conversations, such as transferring calls, booking appointments, fetching data from APIs, or triggering custom workflows
Bolna provides a REST API that enables programmatic creation, configuration, and management of Voice AI agents from external applications
All Bolna API endpoints require authentication using an API key passed in the Authorization header with the Bearer scheme
Bolna API uses predictable, resource-oriented URLs, JSON-encoded request bodies, JSON-encoded responses, and standard HTTP response codes
Vobiz telephony integration to manage outbound and inbound calls for India, giving users control over their phone numbers and calling infrastructure
Automating calendar booking, call transfers, and custom API calls during live conversations
Invoking outbound Voice AI phone calls from agents via the Bolna Calling APIs
Global call coverage via the Vobiz telephony integration, supporting calls in many countries with competitive international calling rates
Automate outbound calls to hundreds or thousands of contacts via Voice AI agents
Lead qualification, customer outreach, appointment reminders, and high-volume calling campaigns
Calls can be placed from Bolna-managed or customer-owned phone numbers
CSV upload with contact_number as the required header for batch contacts
Batches can be executed immediately or scheduled for a future date and time
Auto-retry on No Answer, Busy, Failed, Error, and Voicemail outcomes with configurable increasing delays
Maximum 3 retry attempts per contact
Webhook URL endpoint for receiving real-time call status updates and syncing to CRM
Webhook POST notifications include call status, transcript, extracted data, and cost breakdown
Real-time webhook updates eliminate the need to poll the API
Batch API available alongside the dashboard for programmatic batch management
Triggering follow-up workflows by syncing call results to a CRM in real time
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Voice AI Agents for Indian Languages | Bolna AI
