precallai
PreCallAI is a developer-first, production voice agent platform that orchestrates streaming STT → LLM → TTS call pipelines while letting customers bring their own provider keys and pay flat monthly plans (no per-minute billing).
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Quick Overview
Best for: Voice & Speech
What it does
Voice & Speech software for decision-makers comparing workflow fit and alternatives.
Best fit
Voice & Speech
Pricing snapshot
Freemium from $9/month
Next step
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PreCallAI is an API-first platform that helps developers build and ship production voice agents. It focuses on orchestration of speech-to-text, large language models, and text-to-speech in realtime while allowing customers to retain their own provider keys and billing relationships. The platform advertises flat monthly plans sized by daily call volume (instead of per-minute meters), realtime events and transcripts, sub-second latency for natural turn-taking, and enterprise deployment options such as on-prem/VPC and dedicated infrastructure.
AI-powered voice bot platform automating sales and customer interactions for business growth.
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Claim this listing for $29Key Features
Bring Your Own Keys (BYOK)
Connect and use your own provider accounts (OpenAI, Anthropic, Deepgram, ElevenLabs, Twilio, etc.). PreCallAI orchestrates calls while provider usage is billed directly to you.
Flat Monthly Pricing (No per-minute meter)
Pick a plan by daily call volume; billing is not metered per minute so the monthly bill is the same whether a call lasts 20 seconds or 20 minutes.
API-first, REST-based
Create agents, place calls, and stream events via a clean REST API with a single HTTP request example provided.
Realtime events & streaming transcripts
Subscribe to transcripts, function calls and call lifecycle webhooks; stream STT → LLM → TTS for realtime interaction.
Sub-second latency and interruption handling
A streaming pipeline tuned for natural turn-taking, barge-in and interruption handling to support conversational voice agents.
Enterprise controls
Export logs, rotate credentials, SSO/SAML & audit logs, on-prem / VPC deployment, dedicated infra and SLAs for Enterprise customers.
Pricing
Start building free / trial to begin (no credit card to start).
Starter
$9/month- Up to 100 calls / day
- Bring your own provider keys
- All STT / LLM / TTS models
- REST API + webhooks
Growth
$29/month- Up to 5,000 calls / day
- Everything in Starter
- Higher concurrency limits
- Call analytics & searchable logs
Enterprise
Custom / contact sales- Unlimited calls (custom)
- Everything in Growth
- Dedicated infrastructure & SLAs
- SSO / SAML & audit logs
Use Cases
Production voice agents
Build and deploy production-grade voice bots using BYOK orchestration and realtime streaming for customer-facing voice applications.
Customer support bots
Create support-focused agents (example agent name 'support' used in docs) that place calls, stream transcripts and integrate with backend systems via webhooks.
Telephony integrations
Orchestrate voice calls through existing telephony providers (e.g., Twilio) while controlling model usage and data with your own keys.
Integrations
OpenAI
Use OpenAI models for LLM processing while keeping your OpenAI key and billing relationship.
Anthropic
Use Anthropic models for LLM processing with your own Anthropic key.
Deepgram
Use Deepgram for speech-to-text (STT) by supplying your Deepgram key.
ElevenLabs
Use ElevenLabs for text-to-speech (TTS) voices with your ElevenLabs key.
Cartesia
Support for Cartesia TTS as an alternative voice provider via BYOK.
Twilio
Telephony provider integration for placing and managing calls using your Twilio account.
Groq / Azure / PlayHT / Rime
Additional provider support listed on the platform for LLM/compute, TTS and other services via customer-supplied keys.
Benefits
Limitations
Frequently Asked Questions
What does “bring your own keys” mean?
Getting Started
- 1 Step 1: Bring your provider keys (OpenAI/Anthropic for LLM, Deepgram for STT, ElevenLabs/Cartesia for TTS, Twilio for telephony).
- 2 Step 2: Pick a plan by expected daily call volume (Starter, Growth, or Enterprise).
- 3 Step 3: Create agents and place calls via the REST API; subscribe to realtime transcripts and webhooks to integrate with your backend.
Support
Docs
Documentation and API reference are available from the site (linked as 'Read the docs').
Community support
Community support is listed for the Starter plan.
Email / Sales
Priority email support for Growth customers and contact sales for Enterprise.
API
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