APTO,Inc. (harBest)

APTO is a Japan-based data solutions company specializing in the collection, creation, and annotation of high-quality training data for AI, including LLMs, NLP, and computer vision. Trusted by leading companies such as Fujitsu, SoftBank, and Rakuten, we deliver cost-efficient, domain-specific data across text, audio, image, and video formats. Our platform, harBest, ensures every dataset meets rigorous quality standards through in-house verification. APTO is committed to ethical data practices, localization, and helping AI companies scale faster and smarter. We support the next generation of AI development through precise, reliable, and adaptable data solutions tailored to real-world needs.