Inspiration
Most sales funnels don’t die from lack of leads — they die in follow-up.
Leads come in hot, then hit objections (“too expensive”, “not sure”, “later”), and the conversation quality drops.
We wanted to build a closer that actually gets better with every interaction.
What it does
Adaptive Closer AI is a self-improving sales agent that:
- handles inbound leads in text (Instagram DM / WhatsApp),
- adapts strategy by objection type,
- escalates high-friction leads to voice calls (ElevenLabs + Twilio),
- ingests post-call data (duration + transcript signals),
- and updates its policy for better next responses.
It’s not static automation. It’s a learning loop.
How we built it
We built a fast, reproducible pipeline:
- multi-strategy response generation,
- adaptive scoring (LLM-based with rule fallback),
- memory + policy updates over epochs,
- text-to-voice escalation orchestration,
- webhook ingestion with signature verification,
- judge-friendly one-command tests.
Everything is designed to be demo-safe and runnable in minutes.
Challenges we ran into
- Shipping fast without losing architectural clarity.
- Keeping the demo deterministic under hackathon pressure.
- Balancing “smart LLM eval” with fallback reliability.
- Adding security expectations (webhook signature verification) in a short time.
Accomplishments that we're proud of
- Built a real self-improving loop, not just a scripted bot.
- Added true multi-channel orchestration (text + voice).
- Implemented LLM evaluator + robust fallback path.
- Implemented production-style webhook verification.
- Created copy-paste judge flows with observable proof markers.
What we learned
- Adaptation beats raw automation.
- Reliability wins hackathon demos.
- Security and observability increase trust instantly.
- Clear business narrative matters as much as code quality.
What's next for Adaptive Closer AI
- Connect to real business inboxes at scale.
- Learn from true conversion events, not only simulated rounds.
- Upgrade to online bandit/RL-style policy updates.
- Add a live dashboard for strategy and channel performance.
- Launch pilots with SMB sales teams and optimize for measurable revenue lift.
Built With
- elevenlabs
- node.js
- openai
