Parking is available, but there's no specific information confirming child-friendly amenities at this restaurant.

• Open 10:00–20:40; closed the day before and the day of Lunar New Year and Chuseok
• Parking is available on site
• Takeout is available, which can help families with small children
• Child-friendly level is recorded as '0' (not specifically child-oriented)
• No data on stroller access, highchairs, or lactation rooms
• Card payment is accepted

Based on operating.open_hours_raw, operating.closed_days_raw, operating.parking_available, operating.packing_available, experience_attributes.child_friendly_level, and commerce.card_payment. All accessibility fields including stroller_access, highchair_available, and lactation_room are null, so child-amenity details cannot be confirmed.

Japanese-language support is available in addition to Korean, but English and Chinese support is not confirmed.

• Korean service: available
• Japanese service: available
• Japanese place name listed: 海雲台カヤミルミョン
• English service: not confirmed
• Chinese (Simplified/Traditional) service: not confirmed
• Multilingual signage and translated menu: not confirmed

Based on language_support.korean, language_support.japanese, language_support.english, language_support.chinese_simplified, language_support.chinese_traditional, language_support.multilingual_signage, language_support.translation_menu_available, and canonical_name_ja. Many language fields are null, so absence here means 'not confirmed' rather than 'unavailable'.

Yes, Haeundae Gaya Milmyeon accepts card payment.

• Card payment: accepted
• Foreign card acceptance: not specified
• Cash-only: not indicated
• Price band: not listed in the data
• Menu reference: milmyeon (cold wheat noodles)

Based on commerce.card_payment (true). commerce.foreign_card_payment, commerce.cash_only, and commerce.price_band are null, so foreign-card compatibility and price level cannot be confirmed from the data.