We build production-grade AI voice agents on Vapi, Retell, Bolna, Bland AI, Synthflow, Voiceflow, or our own Edesy platform. Prompt engineering, telephony, CRM hooks — done in 2 weeks.
2 weeks
Standard delivery
From ₹75,000
Flat one-time pricing
7 platforms
Vapi, Retell, Bolna, more
40% upfront
Transparent payment
Three packages designed for different complexity levels. 40% deposit, 60% on delivery.
Click any platform to see use cases, build flow, and pricing tailored to it.
Our own platform. India-first, Hindi-ready, bundled telephony.
Developer-first voice AI platform from US YC.
YC-backed voice AI with premium call quality.
Indian voice AI platform, open-source friendly.
US-focused voice agent platform with no add-on fees.
No-code voice AI for agencies and SMBs.
Conversation design platform with multi-channel support.
Have a different platform or unsure which to pick? Book a scoping call.
Pick Edesy first
Our own platform is the default recommendation for Indian businesses. Hindi + regional languages out of the box, Exotel/Twilio bundled, GST-compliant billing, one vendor for everything.
Best for: India-first businesses, founders who want one vendor, anyone needing Hindi voices
Pick another platform if
Some teams have already chosen Vapi/Retell/Bolna/etc. or have specific reasons to use them. We'll build on whichever you've chosen — at the same fixed price.
Best for: Teams with platform already chosen, developer-first builders, US-first compliance needs
Predictable 6-step process from first call to deployed agent
Discovery call
30–45 min call to understand your use case, channels, volume estimates, and chosen platform. Free for standard builds, ₹25,000 for enterprise (credited).
Scope + fixed-price quote
1-page scope document with exact deliverables, timeline, prompt strategy, and price. Two days to deliver.
40% deposit, build begins
Work starts within 2 business days of deposit. You get a Slack/email channel for daily updates.
Prompt engineering + flow build
Prompt drafted, flows configured in your chosen platform, voice + STT + TTS selected for your use case.
Internal QA + your UAT
We run 50+ test calls covering happy paths and edge cases. You sign off on UAT before production deploy.
Production deploy + handoff
Number assigned, agent live, final demo, documentation handoff. 60% balance due. Maintenance retainer starts day after launch.
What the alternatives actually cost over 12 months
| Feature | Dimension | Upwork freelancer | In-house engineer | Edesy |
|---|---|---|---|---|
| Prompt engineering expertise | ||||
| Voice/STT/TTS provider knowledge | ||||
| Latency optimization built-in | ||||
| Indian language support out-of-box | ||||
| Telephony setup included | ||||
| Fixed price, no overruns | ||||
| Bug-fix warranty post-launch | ||||
| Maintenance when models/APIs change | ||||
| 12-month total cost (estimate) |
We publish our contract clauses upfront. No surprises during onboarding.
Standard for all packages. Projects over ₹1,75,000 split into 40/30/30 milestones.
Every quote ships with a 1-page scope document. Out-of-scope changes are ₹2,500/hour change orders.
Quick: 1 hr/month. Production: 2 hr/month. Enterprise: 4 hr/month. Overages billable hourly.
24–48 hour response on weekdays. Dedicated SLAs available on enterprise engagements only.
Quick: 1 round. Production: 2 rounds. Enterprise: 3 rounds. Beyond, billable at ₹2,500/hour.
Quick: 14 days. Production: 21 days. Enterprise: 30 days. Covers bugs in original scope only.
Mutual NDAs standard for enterprise. DPA available on request for BFSI/healthcare customers.
Indian customers get GST-compliant invoices. International customers can pay in USD via wire or Stripe.
We build on your Vapi/Retell/Bolna account. You own the build and can take it elsewhere any time.
Common questions about our voice agent development service
Other services and references to help your voice agent project succeed.
The voice platform we recommend by default — India-first, Hindi-ready, bundled telephony.
Sync your voice agent's call data to HubSpot, Salesforce, Zoho, GoHighLevel, and more.
REST API reference with code samples in 7 languages for triggering calls programmatically.
Receive real-time call events at your endpoint — call.started, call.ended, transcript.ready.
Beyond voice — text, chat, and multi-modal AI agent development services.
Browse every platform we offer build services for.
Have an existing agent? Audit it (₹15K) before deciding to rebuild.
Connect voice agent to WhatsApp Business API for full multi-channel coverage.
Production-grade RAG for FAQ-style voice agents.
We run your campaigns end-to-end. Monthly retainer model.
Healthcare, BFSI, Real Estate, EdTech, E-commerce — vertical-specific pages.
Book a 30-minute scoping call. We'll send a fixed-price quote within one business day.