precallai

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).

precallai is voice & speech software teams evaluate for voice & speech. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Freemium API Enterprise 75/100
#69 in Voice & Speech (69 tools)
Added 0 year ago
Data reviewed Jul 16, 2026

Profile facts come from the vendor source. AiMatch labels unknown pricing or API details instead of estimating them.

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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

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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Key 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

Free Tier Available

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

Predictable monthly costs via flat, volume-based plans instead of per-minute metering.
Customer control of provider relationships and model spend through BYOK.
Fast integration with a single REST endpoint and no SDK required.
Realtime transcripts and events to integrate voice agents with backend systems.
Enterprise-grade deployment and compliance options (on-prem/VPC, SLAs, SSO/SAML).

Limitations

Model usage is billed directly by the provider accounts you connect; provider costs are separate from PreCallAI plan fees.
All plans require an active subscription; model usage is not included in PreCallAI subscription fees.
Platform is API-first (REST); there is no required SDK to install.

Frequently Asked Questions

What does “bring your own keys” mean?
You connect your own provider accounts (OpenAI or Anthropic for the LLM, Deepgram for speech-to-text, ElevenLabs or Cartesia for voices, Twilio for telephony). PreCallAI orchestrates the realtime call; the model usage is billed by those providers directly to you.

Getting Started

  1. 1 Step 1: Bring your provider keys (OpenAI/Anthropic for LLM, Deepgram for STT, ElevenLabs/Cartesia for TTS, Twilio for telephony).
  2. 2 Step 2: Pick a plan by expected daily call volume (Starter, Growth, or Enterprise).
  3. 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

Available: Yes

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