Speech-to-text Built for How India Speaks

Accurate transcription across Indian languages, code-mixed speech, and real-world telephony audio. Structured output your systems can depend on, live or after the fact.
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Convin STT
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Demo works with Hindi, Hinglish & English

Speech-to-text that works the way conversations do

Convin STT handles real conversations - accents, noise, and interruptions - and produces structured output your systems can depend on.

Built for Indian audio conditions.
Trained on live telephony data from Indian contact centers, not studio recordings. Handles noise, accents, and poor connections reliably.
India speaks in many languages. So does Convin.
Code-mixed, multilingual, and regional speech is handled natively without manual language tagging per call.
One API for every stage.
Use the same API for streaming live conversations or processing recorded audio. No separate pipelines to maintain.
Output your systems can depend on.
Schema-stable transcripts that don't change structure between calls, languages, or audio conditions.
Language Support

Built for Indian languages

Indian conversations switch languages naturally. Convin STT handles code-mixed, multilingual speech without manual language tagging per call.

Hindi
English
Telugu
Tamil
Marathi
Speech input Hindi
"I need help with my insurance policy"
Transcript
मुझे अपनी बीमा पॉलिसी में मदद चाहिए

Why Indian language support is different here

Trained on live telephony data from Indian contact centers, not studio recordings
Handles natural Hinglish, Tanglish, and regional code-switching, not just monolingual audio
Automatic language detection, no need to declare the language upfront per call
Capabilities

Turn conversations into reliable, structured transcripts

Everything you need from raw audio to production-ready output in a single API.

High-accuracy transcription
Up to 95%+ WER on noisy Indian call-centre audio
Real-time streaming & batch
WebSocket for live calls, REST API for recordings
Speaker diarization
Automatically label each speaker across multi-party calls
Utterance-level timestamps
Know exactly when each word was spoken, to the millisecond
Language detection & control
Auto-detect or pin the language for consistent output
Schema-stable JSON output
Predictable structure every time — no parsing surprises
Use Cases

Applied across live conversations and post-call workflows

Batch

Post-call processing (Batch)

Process conversations after they end to unlock insights, improve quality, and power analytics and compliance workflows.

Common scenarios
Contact center call recordings
Sales and support audits
QA and coaching workflows
Compliance archives
Why it works
Cost-efficient at scale
Consistent transcript structure
Easy downstream ingestion
Real-time

Real-time voicebots

Support voicebots and conversational systems that need to understand users as they speak, with low-latency streaming transcription.

Common scenarios
Voice bots and virtual agents
IVR with live understanding
Conversational automation
Real-time intent routing
Why it works
Low-latency transcription
Handles interruptions naturally
Clean speaker turns
Output Modes

Same audio. Four ways to use it.

01
Transcribe

Formatted transcript with number normalization.

"Sir aapka policy number hai 4521"
02
Translate

Indic language audio converted to English text.

"Sir your policy number is 4521"
03
Transliterate

Indian language speech written in English letters.

"Sir aapka policy number hai char paanch do ek"
04
Verbatim

Preserves fillers, pauses, and spoken numbers exactly as heard.

"Sir aapka... haan... policy number hai char paanch do ek"

Trusted by B2C Leaders Who Get It

“Convin has transformed the way we manage quality, collaboration, and communication.”
Before Convin, our QA process was scattered across Google Forms and our CRM, making audits, updates, and insights extremely time-consuming. With Convin, everything is now centralized—audits, PKTs, and process updates are easily accessible on one platform. We can make instant changes to audit forms without tech support, and all call recordings are readily available for review and insights. The ability to fill both Audit and Governance Forms simultaneously has boosted QA efficiency, while Team Leads can now track compliance independently.
Suyash Talekar
Customer Success Lead, Traya
“It's like having a virtual assistant for every rep and manager.”
Convin.ai captures and analyzes every customer interaction — voice, video, and email. With Convin, we’ve eliminated scattered insights, improved sales performance, accelerated onboarding, and even automated CRM updates. We no longer miss a single insight.
Nithin S
Senior Executive, Fyers
Convin.ai has transformed our audit process.
The audit dashboard gives us real-time insights with multiple metrics, making it easier for agents to stay updated on manual audits. What used to be time-consuming manual work in Google Sheets is now streamlined, efficient, and insightful thanks to Convin.ai.
Naresh C
Quality executive, Vyapar
Before Convin, we lacked visibility into why leads were being closed incorrectly, which made it difficult to identify missed business opportunities and impacted both conversions and forecasting accuracy. With Convin’s AI-driven insights, we can now spot genuine buying intent, recover lost leads, and take timely action. This has significantly improved our sales efficiency and reduced revenue leakage. A major advantage has been the alignment it’s created across sales, quality, and business teams- everyone now works with the same reliable data.
Hardik Singh
Functional Head– Quality & Training, Physics Wallah
“Convin.ai makes reporting effortless — with expert support every step of the way.”
From setup to daily use, Convin.ai delivers a seamless experience. The platform simplifies report generation, delivers clear dashboard insights, and helps us track performance with precision. Plus, their support team is always responsive and reliable, making adoption smooth and stress-free."
Suraj M
Quality Analyst, Bombay shirt company
Before Convin, our quality reviews were entirely manual and limited to a small sample of calls, making it hard to identify patterns or spot missed sales opportunities. With Convin, we can now analyze every call automatically and gain complete visibility into how agents handle leads. The platform helps us flag missed opportunities, provide targeted feedback, and ensure consistent, objective QA scoring. Our reviews are now faster, more accurate, and far more insightful.
Berkha & Devayani
AM- Quality Assurance, Physics Wallah
Before Convin, it was difficult to link quality insights with training outcomes, making it hard to measure how coaching impacted performance and slowing down new agent ramp-up. With Convin, we can now quickly identify skill gaps that affect conversions and deliver targeted, effective coaching. Training has become more focused, and we’re excited to explore Convin’s LMS capabilities to integrate quality and learning on a single platform. The results have been tangible in both agent performance and efficiency. The Convin team has been highly responsive, open to feedback, and proactive in tailoring the platform to our needs.
Ravi Sachan
Senior Manager– Quality & Training, Physics Wallah
“It's like having a virtual assistant for every rep and manager.”
Convin.ai captures and analyzes every customer interaction — voice, video, and email. With Convin, we’ve eliminated scattered insights, improved sales performance, accelerated onboarding, and even automated CRM updates. We no longer miss a single insight.
Nithin S
Senior Executive, Fyers
Convin.ai has transformed our audit process.
The audit dashboard gives us real-time insights with multiple metrics, making it easier for agents to stay updated on manual audits. What used to be time-consuming manual work in Google Sheets is now streamlined, efficient, and insightful thanks to Convin.ai.
Naresh C
Quality executive, Vyapar
“Convin.ai makes reporting effortless — with expert support every step of the way.”
From setup to daily use, Convin.ai delivers a seamless experience. The platform simplifies report generation, delivers clear dashboard insights, and helps us track performance with precision. Plus, their support team is always responsive and reliable, making adoption smooth and stress-free."
Suraj M
Quality Analyst, Bombay shirt company
“Convin has transformed the way we manage quality, collaboration, and communication.”
Before Convin, our QA process was scattered across Google Forms and our CRM, making audits, updates, and insights extremely time-consuming. With Convin, everything is now centralized—audits, PKTs, and process updates are easily accessible on one platform. We can make instant changes to audit forms without tech support, and all call recordings are readily available for review and insights. The ability to fill both Audit and Governance Forms simultaneously has boosted QA efficiency, while Team Leads can now track compliance independently.
Suyash Talekar
Customer Success Lead, Traya
Before Convin, our quality reviews were entirely manual and limited to a small sample of calls, making it hard to identify patterns or spot missed sales opportunities. With Convin, we can now analyze every call automatically and gain complete visibility into how agents handle leads. The platform helps us flag missed opportunities, provide targeted feedback, and ensure consistent, objective QA scoring. Our reviews are now faster, more accurate, and far more insightful.
Berkha & Devayani
AM- Quality Assurance, Physics Wallah
Before Convin, it was difficult to link quality insights with training outcomes, making it hard to measure how coaching impacted performance and slowing down new agent ramp-up. With Convin, we can now quickly identify skill gaps that affect conversions and deliver targeted, effective coaching. Training has become more focused, and we’re excited to explore Convin’s LMS capabilities to integrate quality and learning on a single platform. The results have been tangible in both agent performance and efficiency. The Convin team has been highly responsive, open to feedback, and proactive in tailoring the platform to our needs.
Ravi Sachan
Senior Manager– Quality & Training, Physics Wallah
Before Convin, we lacked visibility into why leads were being closed incorrectly, which made it difficult to identify missed business opportunities and impacted both conversions and forecasting accuracy. With Convin’s AI-driven insights, we can now spot genuine buying intent, recover lost leads, and take timely action. This has significantly improved our sales efficiency and reduced revenue leakage. A major advantage has been the alignment it’s created across sales, quality, and business teams- everyone now works with the same reliable data.
Hardik Singh
Functional Head– Quality & Training, Physics Wallah

Trusted. Rated. Celebrated.

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4.7/5
19th
Best Software Company in India
6th
LinkedIn Top Startup 2025

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