Harmony.ai is an enterprise voice AI platform from One AI that handles inbound and outbound sales calls, qualifying leads and booking meetings around the clock for revenue teams.
About
Harmony.ai is enterprise voice AI software that answers phone calls and places outbound calls on behalf of revenue teams. Instead of routing prospects through a phone tree or letting inbound leads go unanswered, its agents hold real conversations: they qualify contacts, handle objections, book meetings, and transfer warm prospects to human representatives. The company states that agents respond in under 200 milliseconds, which keeps conversations sounding natural rather than robotic.
The platform is built by One AI and described as a monday.com company. It is purpose-built for sales and marketing workflows rather than general call handling, and it integrates with CRMs such as Salesforce, HubSpot, and Monday.com. Teams deploy agents with a visual, no-code builder, define guardrails and escalation rules, and let the system run inbound reception, outbound dialing, follow-ups, renewals, and payment reminders across the customer lifecycle. Every call is recorded and analyzed so the agent can be tested and improved against past conversations.
Key Features
Pricing & Fees
- Pricing: The Pro plan costs $0.39 per minute of AI voice agent time (varying by voice model), with a $250 monthly platform fee and a custom implementation fee. The Enterprise plan uses custom pricing and adds unlimited agents, custom concurrency, hot transfers, and API/MCP access.
- Scale limits on Pro: The Pro tier includes up to 3 agents, up to 10 concurrent calls, and 100 calls per day.
- Free trial: A "Try for free" option is offered on the site.
- Compliance and security: Harmony.ai is SOC 2 Type II certified, ISO 27001 certified, GDPR-aligned (technical team based in Sweden), HIPAA-capable, and TCPA-aware, with opt-out of call recording and custom data retention available.
Who It's For
Harmony.ai targets revenue teams — sales development, marketing, and revenue operations groups — that depend on phone contact for pipeline. Typical users include insurance teams handling quote follow-ups and renewals, healthcare practices confirming appointments, real estate agents fielding listing inquiries, and automotive dealerships recovering missed service calls. It also suits collections and hospitality teams that need after-hours coverage or payment reminders. Companies without a traditional call center can deploy it as an AI receptionist, while larger organizations use it to scale inbound and outbound calling without adding headcount.
FAQ
What is Harmony.ai?Harmony.ai is an enterprise voice AI platform that conducts real phone conversations for revenue teams — answering inbound calls, qualifying leads, and booking meetings without a human rep on every line.
How much does Harmony.ai cost?The Pro plan is billed at $0.39 per minute with a $250 monthly platform fee and custom implementation fee; Enterprise pricing is custom. A free trial is available.
Which CRMs and platforms does it integrate with?It offers native CRM integrations with Salesforce, HubSpot, and Monday.com, plus API access and webhooks on the Enterprise plan.
Is it an AI or a human on the call?Both, by design: the AI runs routine qualification and booking, while guardrails and hot transfers hand warm or sensitive conversations to human representatives.
Is Harmony.ai compliant and secure?The vendor holds SOC 2 Type II and ISO 27001 certifications, operates under GDPR, supports HIPAA use cases, and is TCPA-aware, including call recording opt-out options.
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