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Terms of Service

Last Updated: 2025년 6월 21일

Table of Contents
Service Definition and Scope

These Terms govern the use of the Prosody TTS (Text-to-Speech) API service (hereinafter "Service") provided by Humelo Inc. (hereinafter "Company"), and define the rights, obligations, and responsibilities between the Company and users.

Service Scope

  • TTS API service provision
  • Speech synthesis and conversion
  • Developer console and dashboard
  • API usage monitoring
  • Technical support services

Terms Application

  • Use of the service constitutes acceptance of these Terms
  • Agreement to Terms required upon registration
  • These Terms apply to all API calls
  • Prior notice given for Terms changes
Membership and Account Management

Registration Requirements

  • Individuals aged 14 or older, or businesses
  • Valid email address required
  • Verifiable identity information
  • Agreement to Terms of Service and Privacy Policy

Account Management Obligations

  • Secure management of API keys and credentials
  • Maintaining accurate account information
  • Prohibition of account sharing with third parties
  • Immediate reporting of account compromise

Important: API keys are sensitive information like personal passwords. Never include them in public repositories or client-side code.

API Service Usage

Permitted Uses

  • Voice services in web and mobile applications
  • Screen reading for accessibility
  • Speech conversion for educational purposes
  • Commercial content creation
  • Research and development purposes

Usage Restrictions

  • Creating illegal or harmful content prohibited
  • Converting copyright-infringing content prohibited
  • Defamatory content prohibited
  • Voice phishing or fraud prohibited
  • Excessive requests causing service disruption prohibited

API Usage Limits

Free
Unlimited
Starter
Unlimited
Pro
Unlimited
Enterprise
Unlimited
Subscription and Payment

Pricing Plans

Free-
Starter-
Pro-
Enterprise-

Payment Terms

  • Monthly prepaid billing
  • Auto-renewal
  • Credit card and bank transfer supported
  • VAT separate (for businesses)

Enterprise Plan

  • Pay-as-you-go: ₩0.1/char (separate contract)
  • Minimum contract period: 1 year
  • Custom SLA provided
  • Dedicated technical support
Refunds and Cancellation

Subscription Cancellation

  • Cancel subscription at any time
  • Service continues until end of current billing cycle
  • Auto-renewal stops
  • Automatic conversion to Free plan after cancellation

Refund Policy

  • Service outage: Full refund
  • Change of mind: Within 7 days of payment, less than 10% usage
  • Partial refund: Prorated for unused period
  • Refund processing: 3-5 business days

Note: Enterprise plan refunds are subject to terms specified in individual contracts.

Intellectual Property

Company's Intellectual Property

  • All rights to Prosody service and API
  • Speech synthesis technology and algorithms
  • Brand, logos, and trademarks
  • All service-related content

User's Rights

  • Usage rights to generated audio files
  • Commercial use permitted
  • Derivative works permitted
  • Original text copyright remains with user

Prohibited Activities

  • Reverse engineering or decompiling the service
  • Copying or imitating the API
  • Unauthorized redistribution or sale
  • Use for developing competing services
Usage Restrictions and Suspension

Grounds for Restriction

  • Violation of Terms
  • Use for illegal purposes
  • Excessive API calls causing service disruption
  • Payment delinquency
  • Providing false information

Enforcement Actions

  • Warning and request for correction
  • Temporary service restriction
  • Permanent account suspension
  • Legal action

Important: Severe Terms violations may result in immediate service suspension without prior notice.

Liability and Disclaimers

Company's Liability

  • Best efforts to provide stable service
  • Personal information protection obligations
  • Service quality maintenance
  • Technical support provision

User Responsibilities

  • Comply with all applicable laws and regulations
  • Use the service only for lawful purposes
  • Protect API keys and account credentials
  • Report security issues immediately
  • Respect intellectual property rights

Disclaimers

  • Damages from user's illegal use of service
  • Force majeure events such as natural disasters or war
  • Service disruption due to user's fault
  • Issues from third-party service integration
  • Issues from misuse of generated audio

Compensation

  • Company's fault: Compensation for direct damages
  • Compensation limit: Within monthly service fee
  • Indirect and special damages excluded
Service Suspension and Termination

Temporary Suspension

  • System maintenance and upgrades
  • Security patch application
  • Emergency incident response
  • Prior notice principle (exception for emergencies)

Service Termination

  • Service termination for business reasons
  • Minimum 30 days prior notice
  • Refund of unused fees
  • Data migration support (30 days)

Upon service termination, user API keys and related data will be permanently deleted. Please back up necessary data in advance.

Dispute Resolution and Miscellaneous

Dispute Resolution

  • Step 1: Customer support consultation ()
  • Step 2: Consumer Dispute Mediation Committee
  • Step 3: Court litigation
  • Governing law: Laws of the Republic of Korea
  • Jurisdiction: Seoul Central District Court

Contact

Terms Modification

  • 30 days notice for significant changes
  • 7 days notice for minor changes
  • Notification via email and in-service announcement
  • Continued use after changes constitutes acceptance