すぐFAX SuguFAX – AI fax credits (API key)No sign-inFax to Japan from AI with prepaid credits (Bearer sgx_ key), 1 credit = 1 fax. AIクレジットでFAX送信すぐFAX SuguFAX – Fax to Japan from AIOAuthFax PDFs/photos to Japan from Claude/ChatGPT. OAuth: pay per fax from ¥400 or credits. AIから日本へFAXすぐFAX SuguFAX – Pay per fax (no account)No sign-inFax to Japan from AI, no account: Stripe link per fax, from ¥400, up to 100 pages. 1回払いでFAX送信