thru inc Review: AI Voice and Messaging API
thru inc helps software and enterprise companies deploy AI voice agents for inbound and outbound communication. It may be useful for teams that need to orchestrate voice, text, and email without managing multiple individual vendor accounts.
At a glance
- Category
- Software Development
- Best for
- Software companies, Enterprise companies, Businesses needing automated voice reception, Teams using AI coding tools like Cursor or Claude Code
- Pricing
- thru inc offers a Pay As You Go plan with no monthly fee (free to start) and a Pro plan at $249/month which includes 2,000 minutes and $0.06/min overage.
- Key use cases
- Inbound Call Handling, Outbound Lead Qualification, Post-Call Automation, 24/7 Customer Support
- Integrations
- Twilio import, HubSpot, Salesforce, Slack, Google Sheets
- Official website
- thru.ai
thru inc is a communication infrastructure platform that allows businesses to create AI voice agents using plain-language prompts. The tool provides a single API to access multiple speech-to-text and text-to-speech providers, allowing users to configure agent personalities and behaviors.
It is designed for software companies and enterprise-level organizations that need to automate phone interactions, SMS messaging, and follow-up workflows. The platform supports various roles, from appointment scheduling to lead qualification.
Beyond basic calling, the tool supports transcription and analytics to help managers monitor agent performance. It also includes features for running outbound calling campaigns with retry logic and scheduling windows.
Buyers should confirm if the current support for US and Canadian phone numbers meets their geographic needs, as international support is listed as a future item. Those requiring specific compliance standards may find the SOC 2 and HIPAA-ready infrastructure relevant.
Key Features
Supports the creation of voice agents using plain-language prompts to define personality and behavior.
Supports sending and receiving text messages and managing branded email domains.
Automates actions that occur before, during, or after calls, such as CRM updates or follow-up alerts.
Manages calling lists with configurable concurrency limits and calling windows.
Provides transcripts of calls and data on conversion rates, duration, and sentiment.
Enables users to test voice agents in the browser with audio feedback before deploying.
Use Cases
Deploying voice agents to answer FAQs, schedule appointments, or handle initial patient and client intake.
Running automated calling campaigns to qualify prospects and send follow-up texts to interested leads.
Using workflows to extract data from call transcripts and send that information to a CRM via webhooks.
Setting up agents to handle store hours, product availability, and basic service inquiries.
Best For
Integrations
Pricing
thru inc offers a Pay As You Go plan with no monthly fee (free to start) and a Pro plan at $249/month which includes 2,000 minutes and $0.06/min overage.
FAQ
According to the evidence, it takes under five minutes and three API calls to go from account provisioning to a live agent.
thru inc offers a Pay As You Go plan that is free to start with no monthly fee; users pay for the minutes they use.
The platform currently supports US and Canadian phone numbers via Twilio.
Yes, the platform is described as HIPAA-ready and SOC 2 ready.
Source category: Software Development
Source subcategory: Communication API
Software Type:
How AI is used
thru inc is a communication API platform that allows businesses to build and deploy AI voice agents and SMS workflows. It is designed for software and enterprise companies looking to automate phone and text interactions using a single API key. Buyers should note that telephony is currently focused on US and Canadian numbers.
Pros & Cons
- Single API access to multiple LLM, TTS, and STT providers
- Deployment of agents via natural language prompts
- Includes a free-to-start Pay As You Go option
- SOC 2 and HIPAA-ready infrastructure
- Phone number support is currently limited to the US and Canada
- High-volume concurrency requires a paid monthly plan
- SMS functionality requires A2P 10DLC brand and campaign registration
