Last updated: March 2026
Call0 Inc. ("Call0", "we", "us") is the data controller responsible for the processing of personal data as described in this privacy policy.
Call0 Inc.
447 Broadway, 2nd Floor Suite #3389
New York, NY 10013, United States
For privacy-related questions, contact us via our contact page.
Account Data: Email address, name, company name (optional), authentication provider (email OTP or Google OAuth).
Usage Data: Call logs, call duration, transcriptions, agent configurations, booking data, credit balance and transaction history.
Payment Data: Processed exclusively by Stripe Inc. We do not store credit card numbers, bank account details, or other payment credentials on our servers.
Technical Data: IP address, browser type, device information, referring URLs, collected for security, fraud prevention, and service improvement.
Call Data: Phone numbers of callers (hashed via SHA-256 in customer profiles), call recordings (if enabled), AI-generated transcripts, summaries, and sentiment analysis.
Channel Data: WhatsApp messages (phone number, message content, timestamps) and email messages (email address, subject, body, timestamps) processed through configured integrations.
We process your data for the following purposes:
AI Disclosure: Every incoming call begins with an automated notice that the caller is speaking with an AI voice agent and the call may be recorded. By continuing the call, the caller consents to processing. They can hang up at any time to decline.
Data processed during calls:
Retention: Call transcripts and recordings are retained for 90 days. Customer memory profiles are retained as long as the business account is active and fully deleted upon account deletion.
We use the following third-party services to provide the platform:
| Provider | Purpose | Location |
|---|---|---|
| Supabase Inc. | Database & Authentication | USA |
| Stripe Inc. | Payment Processing | USA |
| Twilio Inc. | Telephony & SMS | USA |
| Anthropic PBC | AI Language Model (Claude) | USA |
| OpenAI Inc. | AI Language Model (GPT) | USA |
| Deepgram Inc. | Speech-to-Text | USA |
| AssemblyAI Inc. | Speech-to-Text | USA |
| ElevenLabs Inc. | Text-to-Speech | USA |
| Cartesia Inc. | Text-to-Speech | USA |
| Vercel Inc. | Hosting & CDN | USA |
For EU/EEA data subjects, transfers to US-based providers are covered by Standard Contractual Clauses (SCCs) per Art. 46(2)(c) GDPR.
Account data: Retained as long as your account is active.
Call data: Transcripts and recordings retained for 90 days, unless you delete them earlier.
Booking data: Retained as long as your account is active.
Payment records: Retained for the legally required period (typically 7 years for tax purposes).
Account deletion: All personal data is deleted within 30 days of account deletion, except where legal retention requirements apply.
We use only essential cookies required for the functioning of our service:
We do not use tracking, analytics, or advertising cookies. See our Cookie Policy for more details.
If you are located in the European Economic Area, you have the following rights under the GDPR:
Legal basis for processing: Contract fulfillment (Art. 6(1)(b)), legitimate interest (Art. 6(1)(f)), consent (Art. 6(1)(a)), and legal obligation (Art. 6(1)(c)).
You also have the right to lodge a complaint with your local data protection authority.
For business customers: Call0 acts as a data processor for caller data. See our Data Processing Agreement for details.
If you are a California resident, you have the following rights under the California Consumer Privacy Act (CCPA):
We do not sell your personal information. We do not share your personal information for cross-context behavioral advertising.
To exercise your CCPA rights, contact us via our contact page. We will respond within 45 days.
We implement appropriate technical and organizational measures to protect your data:
Call0 is not directed at children under 18. We do not knowingly collect personal information from children. If you believe we have inadvertently collected data from a child, please contact us and we will promptly delete it.
We may update this privacy policy from time to time. We will notify you of significant changes via email or through the platform. Continued use of the service after changes constitutes acceptance.
For privacy-related questions or to exercise your rights:
Call0 Inc.
447 Broadway, 2nd Floor Suite #3389
New York, NY 10013, United States
Or via our contact page.