These rankings are based on data from September 2026

Company

One AI Inc.

Years in business

  • <1

Number of employees

  • 11-50 employees

Country

  • United States

Harmony.ai provides a voice AI platform that deploys AI voice agents to make and answer phone calls for revenue and go-to-market teams, handling lead qualification, appointment setting, and follow-ups. It also includes an AI dialer, conversational IVR, call analytics, CRM integrations, and compliance controls.

API Availability

  • Yes

MCP connector

  • Yes

Ranking position over time

October 2025 - September 2026

#15,848

Best rank

#15,848

Lowest rank

Stable over 1 month

12-month trend

#16,482

Best rank

#16,482

Lowest rank

Stable over 1 month

12-month trend

Use

call routing

voice calling

Industries

Accommodation and food service activities

Financial and insurance activities

Human health and social work activities

Real estate activities

Wholesale and retail trade

Integrations

acuity scheduling

cal.com

calendly

hubspot

monday

salesforce

square

vagaro

whatsapp

zoho

Security protocols

access controls

data residency

encryption

gdpr

hipaa

iso 27001

penetration testing

soc2 type ii

sso

L3 category names

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