What is Callin?
Callin.io offers ultra‑low‑latency AI voice agents with response times under 176 milliseconds.
Solutions are white‑label ready, fully customizable, and can be deployed under a custom domain with no development required.
Enterprise features include 99.
9 % uptime, carrier‑grade redundancy, GDPR/CCPA compliance, and end‑to‑end encryption.
The platform supports multiple carriers (Callin, Twilio, Telnyx, SIP trunk) and pre‑built connectors to CRMs, ITSM, calendars, and automation tools.
Industry‑specific templates are available for property management, real estate, IT support, smart cities, and SaaS agencies.
Callin details
- Company
- Replacing Humans LLC
- Jurisdiction
- Wyoming, United States
- Data residency
- United States
- Stated compliance
- GDPR, CCPA
Compliance as stated in Callin's own published documentation.
Callin tech specs
- Integrations
- Zendesk Twilio
Callin pricing
FreemiumVerify on the official pricing page.
View plansCallin's key features
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24/7 multilingual AI call answering
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Auto-resolve routine maintenance requests
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Structured escalation via email/ticket
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Concise operator summaries
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Learning from prior interactions
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Ultra-low latency voice responses
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Scalable to thousands of units
Callin use cases
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Launch a white‑label AI voice support line on your own domain in minutes, delivering sub‑176 ms responses to customers while automatically logging interactions into Salesforce without any code
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Embed Callin.io’s carrier‑grade AI voice agent into your help‑desk platform to triage ITSM tickets in real‑time, ensuring 99.9 % uptime and GDPR‑compliant data encryption
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Create a multilingual, cookie‑free virtual receptionist for enterprise calls, leveraging Callin.io’s multi‑carrier redundancy and pre‑built Microsoft Dynamics connector to schedule meetings instantly
Callin user reviews
Based on 6 reviews, 67% of users recommend Callin, rated highly for ease of use.
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Who is Callin for?
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Sales managers
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Customer support staff
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Digital marketers
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Business owners
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Technology developers
Callin FAQ
Is Callin free?
Partly. Callin has a free plan with usage limits, and paid plans unlock the full feature set. Plans include Starter white-label at $ 119/mo, Professional white-label at $ 299/mo, Unlimited / agency scale at $ 499/mo and Growth+ / enterprise at $ 1499/mo.
Is Callin safe to use?
Callin states GDPR and CCPA compliance in its own published documentation. Callin is operated by Replacing Humans LLC, registered in Wyoming, United States. It has a substantial audience that is independently measured month to month.
What are the best alternatives to Callin?
The closest alternatives to Callin are Voiceflow, BlandAI, Millis AI, 008 and Altnativ. You can compare them side by side in the alternatives section further down this page.
What does Callin do with my data?
Its privacy policy states that personal data is not sold or shared for marketing purposes. Data may be shared with third-party service providers that help run the product. Customer data is held in United States.
Who made Callin?
Callin is built and operated by Replacing Humans LLC, a company registered in Wyoming, United States.
What does Callin integrate with?
Callin connects with Zendesk and Twilio.
Compliance, privacy and billing terms are as stated in each product's own published documentation and have not been independently verified by TopAI.tools.
