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Indication Based on the Payment Services Act

■ Name of Prepaid Payment Instrument​

Account Balance (Balance)

■ Issuer of Prepaid Payment Instrument​

IRUCA K.K.

■ Payable Amount, etc.​

Recharge amounts are not limited to fixed amounts per transaction. Users can select from multiple amount options displayed on the payment page designated by our company, or enter any amount accurate to two decimal places for recharge. This platform's balance is denominated in US Dollars (USD) as the common currency. Payment amounts will be calculated based on the real-time exchange rate, taxes, and handling fees at the time of payment, and shall be determined by the final amount displayed on the checkout interface. Additionally, there is no upper limit on account balance holdings.

■ Validity Period or Expiration Date​

As of January 29, 2026, account balance does not have an expiration date set. An expiration date may be set in the future due to changes in service terms or legal revisions. Furthermore, if a member cancels their account, unused account balance will become invalid.

■ Contact Information​

4F BIGS Higashi-Kanda Building, 1-3-2 Higashi-Kanda, Chiyoda-ku, Tokyo 101-0031 Email Address: [email protected] Phone Number: +81 03-6824-5799

■ Scope of Use​

This account balance is limited to use on the OPE.AI Open Platform operated by IRUCA K.K. for payment of API call fees and related value-added services.

■ Usage Precautions​

  • Recharged balance is in principle non-refundable.
  • Refunds will not be issued unless there are system failures, duplicate charges, or other situations recognized by our company.
  • Balance cannot be transferred, cashed out, or transferred to external services.
  • When canceling an account or when an account is suspended, unused balance may become invalid.

■ Method to Confirm Unused Balance​

After logging in, you can confirm your current account balance on the Dashboard/Recharge/Model Marketplace pages.

■ Terms of Use, etc.​

For detailed information regarding usage conditions and precautions for account balance, please refer to the User Agreement and Recharge Terms established by our company.