Top 30 Fastest-Growing Tokyo Startups in 2025

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The fastest growing Tokyo startups 2025 are transforming Japan’s innovation landscape. From AI and robotics to CleanTech and DeepTech, Tokyo has become Asia’s most exciting startup capital. This guide highlights the top 30 companies leading that growth — their founders, funding, and the technologies redefining business in Japan.

Why Investors Are Watching the Fastest Growing Tokyo Startups 2025

Investors around the world are keeping a close eye on the fastest growing Tokyo startups in 2025 because Japan’s capital has quietly become one of Asia’s most exciting innovation hubs. With its strong tech ecosystem, government-backed startup incentives, and a new generation of globally-minded founders, Tokyo offers a rare mix of stability and disruption. Venture capital firms from the US, Singapore, and Europe are funnelling funds into AI-driven fintech, robotics, and climate-tech startups headquartered here.

The city’s startup scene is also benefiting from its proximity to major Asian markets and a surge in collaboration between Japanese universities and global accelerators.

For investors, this means not just early entry into high-growth ventures but also long-term scalability in a market known for reliability and precision.

Discover the fastest growing Tokyo startups 2025 — from AI and robotics to CleanTech and FinTech, see who’s leading innovation and securing funding

1) Synspective

1. Founded: 2018.
2. Founders / Leadership: Motoyuki Arai, Seiko Shirasaka (as provided).
3. Funding / Budget: ~$231.9M raised (Series C).
4. Employees (range): 51–100.
5. Headquarters: Tokyo (assumed from context).
6. Core product / service: SAR (synthetic-aperture radar) satellite data, Earth-observation analytics and remote monitoring.
7. Business model: Data-as-a-Service (DaaS), analytics subscriptions, government & enterprise contracts, custom analytics projects.
8. Key customers / markets: Government agencies, urban planning, disaster response, agriculture, infrastructure monitoring.
9. Growth trajectory / milestones: Series C funding, expansion of satellite constellation & analytics platform; moving from R&D to operational commercial contracts.
10. Roadmap / features: Scale constellation, richer ML models for change detection, expand global customer base and value-added analytics packages.

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2) Josys

1. Founded: 2022.
2. Founders / Leadership: Not provided in source.
3. Funding / Budget: ~$123.7M (Series B per your data).
4. Employees (range): 101–250.
5. Headquarters: Tokyo (assumed B2B SaaS firm in Japan).
6. Core product / service: IT operations automation — corporate IT device & endpoint management, automation for enterprise IT.
7. Business model: SaaS subscriptions, enterprise onboarding & support, potential professional services for deployment.
8. Key customers / markets: Large enterprises, enterprise IT departments, regulated industries seeking device security and lifecycle automation.
9. Growth trajectory / milestones: Fast funding traction since 2022; moving from product-market fit to scaling enterprise sales and international expansion.
10. Roadmap / features: Deep integrations with cloud providers, enhanced security modules, advanced device analytics and automation playbooks.

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3) Kyoto Fusioneering

1. Founded: 2019.
2. Founders / Leadership: Konishi Satoshi, Richard Pearson, Taka Nagao.
3. Funding / Budget: ~$111.0M (Series C).
4. Employees (range): 101–250.
5. Headquarters: Kyoto / Japan (works closely with Tokyo investors; included in Tokyo ecosystem list).
6. Core product / service: Commercial fusion engineering — gyrotron systems, tritium fuel cycle components, fusion systems R&D.
7. Business model: Project engineering, systems supply, R&D partnerships, government & industrial contracts.
8. Key customers / markets: Energy companies, national labs, industrial partners in clean energy and heavy industry.
9. Growth trajectory / milestones: Series C funding to scale engineering teams and prototype demonstration units; strategic partnerships for commercial fusion components.
10. Roadmap / features: Move from lab to pilot demo units, secure industrial contracts, and work toward component standardization for fusion systems.

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4) Sakana AI

1. Founded: 2023.
2. Founders / Leadership: David Ha, Llion Jones, Ren Ito (as provided).
3. Funding / Budget: ~$100.0M (Series A).
4. Employees (range): 11–50.
5. Headquarters: Tokyo (founded in Japan context).
6. Core product / service: Nature-inspired foundation AI models — generative AI with biologically inspired architectures.
7. Business model: Model licensing, API access, enterprise fine-tuning services, research partnerships.
8. Key customers / markets: Tech companies, AI research institutions, enterprises seeking advanced generative models.
9. Growth trajectory / milestones: Rapid fundraising and unicorn status faster than prior local companies (per your note), aggressive model release roadmap.
10. Roadmap / features: Model scale-ups, industry-specific fine-tuning, partnership with cloud/inference providers, ethical governance frameworks.

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5) Edgecortix

1. Founded: 2019.
2. Founders / Leadership: Sakyasingha Dasgupta (founder listed).
3. Funding / Budget: ~$35.6M.
4. Employees (range): 11–50.
5. Headquarters: Tokyo (listed in your dataset).
6. Core product / service: Edge AI semiconductor software/hardware enabling near-cloud performance on edge devices.
7. Business model: IP licensing, edge inference SDKs, partnerships with silicon vendors and device OEMs.
8. Key customers / markets: Robotics, defense, telecommunications, industrial IoT device makers.
9. Growth trajectory / milestones: Established edge inference benchmarks, raised venture capital to scale SDK and partnerships.
10. Roadmap / features: Expand support for new silicon, lower-latency runtimes, and verticalized edge solutions (robotics, telecom).

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6) Clean Energy Connect

1. Founded: 2020.
2. Founders / Leadership: Not provided.
3. Funding / Budget: ~$91.8M.
4. Employees (range): 11–50.
5. Headquarters: Japan (Tokyo region context).
6. Core product / service: Renewable energy solutions and distribution — rooftop/utility-scale integration and green electricity supply.
7. Business model: Power sales, renewable energy certificates, grid integration services, project development.
8. Key customers / markets: Utilities, corporate sustainability buyers, microgrids, municipalities.
9. Growth trajectory / milestones: Raised substantial capital to build generation capacity and expand distribution services.
10. Roadmap / features: Expand generation assets, energy trading platforms, and corporate renewable supply agreements.

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7) Asuene

1. Founded: 2019.
2. Founders / Leadership: Not provided.
3. Funding / Budget: ~$54.1M (Series C).
4. Employees (range): 51–100.
5. Headquarters: Japan (Tokyo-area presence).
6. Core product / service: Local energy production + retail — localized clean power generation and consumption optimization.
7. Business model: Retail electricity services, local generation projects, subscription or B2B power contracts.
8. Key customers / markets: Local communities, enterprise campuses, municipal projects.
9. Growth trajectory / milestones: Series C to scale local generation projects and retail footprint.
10. Roadmap / features: Strengthen distribution, demand-response features, and community-energy products.

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8) Aculys Pharma

1. Founded: 2021.
2. Founders / Leadership: BT Slingsby, Kazunari Tsunaba, Takeshi Takahashi.
3. Funding / Budget: ~$82.5M (Series B).
4. Employees (range): 11–50.
5. Headquarters: Japan (Tokyo presence).
6. Core product / service: Drug development focused on neurological & psychiatric disorders.
7. Business model: Clinical-stage biotech — R&D, partnerships, licensing deals with pharma.
8. Key customers / markets: Global pharmaceutical partners, clinical trial networks, healthcare institutions.
9. Growth trajectory / milestones: Series B to progress clinical candidates and expand pipelines.
10. Roadmap / features: Advance trials, secure partnerships for commercialization, and broaden therapeutic areas.

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9) TNAX Biopharma

1. Founded: 2018.
2. Founders / Leadership: Shibuya Akira, Tak Mukohira (as provided).
3. Funding / Budget: ~$9.0M (Series A).
4. Employees (range): 101–250 (your list shows this).
5. Headquarters: Japan (Tokyo ecosystem).
6. Core product / service: Antibody therapeutics development.
7. Business model: R&D, licensing/out-licensing of biologic candidates, academic collaborations.
8. Key customers / markets: Pharma partners, clinical researchers, healthcare providers.
9. Growth trajectory / milestones: Series A progress on candidate pipelines and scale-up of labs/teams.
10. Roadmap / features: Move toward later-stage trials and larger partner deals for commercialization.

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10) Dioseve

1. Founded: 2021.
2. Founders / Leadership: Not provided.
3. Funding / Budget: ~$9.2M (Series A).
4. Employees (range): 11–50.
5. Headquarters: Japan (Tokyo-area).
6. Core product / service: Reproductive biotechnology — egg cell production using DIOLs and iPS-derived technologies.
7. Business model: Biotech R&D, licensing/clinical partnerships, fertility clinic collaborations.
8. Key customers / markets: Fertility clinics, research institutions, patients seeking advanced reproductive tech.
9. Growth trajectory / milestones: Series A to expand lab capacity and clinical research.
10. Roadmap / features: Clinical validation, partnerships with clinics/hospitals, regulatory pathways for reproductive products.

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11) NOT A HOTEL

1. Founded: 2020.
2. Founder / Leadership: Shinji Hamazuru.
3. Funding / Budget: ~$44.6M (Series B).
4. Employees (range): 51–100.
5. Headquarters: Japan (service operates across key resort locations).
6. Core product / service: Membership platform for shared ownership of architect-designed vacation homes (luxury home-sharing).
7. Business model: Membership fees, property development and management, fractional ownership models.
8. Key customers / markets: High-net-worth individuals, design-minded travelers, hospitality partners.
9. Growth trajectory / milestones: Raised Series B for expansion into additional properties and membership growth.
10. Roadmap / features: Expand inventory, membership services, and global partnership rollouts.

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12) 2foods

1. Founded: 2020.
2. Founders / Leadership: Not provided.
3. Funding / Budget: ~$4.4M (Series A).
4. Employees (range): 51–100.
5. Headquarters: Japan (Tokyo-region).
6. Core product / service: Plant-based food products — healthier plant-based snacks and alternatives.
7. Business model: Retail & wholesale distribution, D2C sales, CPG partnerships.
8. Key customers / markets: Retailers, foodservice, health-conscious consumers in Japan and Asia.
9. Growth trajectory / milestones: Series A to scale production and retail presence.
10. Roadmap / features: Expand SKUs, export to regional markets, and scale manufacturing.

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13) double jump.tokyo

1. Founded: 2018.
2. Founders / Leadership: Not provided here.
3. Funding / Budget: ~$36.3M (Series D).
4. Employees (range): 51–100.
5. Headquarters: Tokyo.
6. Core product / service: Blockchain gaming solutions — NFT integration and blockchain game infrastructure.
7. Business model: Platform fees, game developer partnerships, NFT marketplace transactions.
8. Key customers / markets: Game developers, global blockchain gaming audiences, token communities.
9. Growth trajectory / milestones: Series D, expansion of gaming titles and platform integrations.
10. Roadmap / features: Cross-chain support, developer tools, and global publisher partnerships.

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14) SushiSwap

1. Founded: 2020.
2. Founders / Leadership: 0xMaki, Chef Nomi (historic founders; project-led community).
3. Funding / Budget: ~$5.3M (Seed per list).
4. Employees (range): 11–50 (community & developer teams).
5. Headquarters: Decentralized / global with Tokyo community presence.
6. Core product / service: Decentralized exchange (DeFi) and liquidity protocols.
7. Business model: Fees/revenue from trading, tokenomics, and DeFi product expansions.
8. Key customers / markets: Crypto traders, DeFi users, liquidity providers, developers.
9. Growth trajectory / milestones: Ongoing protocol enhancements, community governance, expansion of product suite.
10. Roadmap / features: Layer-2 scaling, multi-chain deployments, new DeFi primitives.

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15) izumi Finance

1. Founded: 2020.
2. Founders / Leadership: Not provided.
3. Funding / Budget: ~$27.6M (per list).
4. Employees (range): 51–100.
5. Headquarters: Tokyo / Japan.
6. Core product / service: Liquidity mining protocol and DeFi yield optimization for LPs.
7. Business model: Fee-sharing, protocol incentives, partner integrations for liquidity.
8. Key customers / markets: DeFi participants, liquidity providers, crypto-native investors.
9. Growth trajectory / milestones: Funding used to expand protocol and liquidity programs.
10. Roadmap / features: Improved UX, cross-chain liquidity, institutional-grade productization.

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16) Habitto

1. Founded: 2021.
2. Founders / Leadership: Liam McCance, Samantha Ghiotti.
3. Funding / Budget: ~$7.3M (Seed).
4. Employees (range): 11–50.
5. Headquarters: Japan (Tokyo ecosystem).
6. Core product / service: Digital banking platform for personal finance & insurance products.
7. Business model: Banking-as-a-service features, fees, partnerships with insurers/fintechs.
8. Key customers / markets: Consumers and SMBs looking for modern digital banking services.
9. Growth trajectory / milestones: Seed funding to build product and secure regulatory ties.
10. Roadmap / features: MVP bank product growth, card issuance, and expanded financial services.

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17) Bloomo Securities

1. Founded: 2022.
2. Founders / Leadership: Not provided.
3. Funding / Budget: ~$6.0M (Seed).
4. Employees (range): 1–10 (early-stage).
5. Headquarters: Japan (Tokyo ecosystem).
6. Core product / service: Smart investment apps / retail investor platforms.
7. Business model: Transaction fees, subscription tiers, robo-advisory services.
8. Key customers / markets: Retail investors, app-savvy traders, younger demographics.
9. Growth trajectory / milestones: Seed funding for product development and user acquisition.
10. Roadmap / features: Expand asset types, regulatory integration, and scale marketing.

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18) Yoii Fuel

1. Founded: 2021.
2. Founders / Leadership: Not provided.
3. Funding / Budget: ~$5.5M (Series A).
4. Employees (range): 11–50.
5. Headquarters: Japan (Tokyo ecosystem).
6. Core product / service: Future assessment funding / asset management tech (per your listing).
7. Business model: Fund-as-a-service, asset management tools, subscription analytics.
8. Key customers / markets: Asset managers, institutional investors, fintech partners.
9. Growth trajectory / milestones: Seed and Series A to productize analytics and fund structures.
10. Roadmap / features: Scaling platform, regulatory compliance, and new investment products.

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19) Astar Network

1. Founded: 2021.
2. Founder / Leadership: Sota Watanabe (as provided).
3. Funding / Budget: ~$24.4M.
4. Employees (range): 11–50.
5. Headquarters: Japan / decentralized.
6. Core product / service: Multi-chain smart contract platform (Polkadot-based) supporting multiple virtual machines.
7. Business model: Protocol fees, staking incentives, developer grants, ecosystem partnerships.
8. Key customers / markets: Blockchain developers, DeFi projects, NFT/Game studios.
9. Growth trajectory / milestones: Continued protocol funding and adoption across Polkadot ecosystem.
10. Roadmap / features: Expand VM compatibility, cross-chain bridges, and developer tooling.

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20) QunaSys

1. Founded: 2018.
2. Founder / Leadership: Tianren Yang (listed).
3. Funding / Budget: ~$12.8M (Series B).
4. Employees (range): 11–50.
5. Headquarters: Japan (Tokyo area).
6. Core product / service: Quantum computing software — algorithms and tools for quantum chemistry and materials.
7. Business model: Enterprise software, research partnerships, consulting, quantum-as-a-service collaborations.
8. Key customers / markets: Pharma, materials science labs, chemical companies, research institutions.
9. Growth trajectory / milestones: Series B to scale product development and industry partnerships.
10. Roadmap / features: Tooling for NISQ/early quantum hardware, more enterprise use-cases, cloud integrations.

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21) Nanofiber Quantum Technologies

1. Founded: 2022.
2. Founder / Leadership: Masashi Hirose.
3. Funding / Budget: ~$10.0M.
4. Employees (range): 11–50.
5. Headquarters: Japan (Tokyo region).
6. Core product / service: Quantum communications hardware and nanofiber-based devices.
7. Business model: Hardware sales, integration contracts, research partnerships.
8. Key customers / markets: Telecom, defense, secure-comm customers, research labs.
9. Growth trajectory / milestones: Early funding to accelerate prototyping & trials.
10. Roadmap / features: Commercial trials for quantum-safe communications, scale manufacturing.

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22) Edgematrix

1. Founded: 2019.
2. Founders / Leadership: Hiroshi Ohta, Shinya Motohashi.
3. Funding / Budget: ~$17.6M (Series B).
4. Employees (range): 11–50.
5. Headquarters: Japan (Tokyo region).
6. Core product / service: Edge AI technology — GPU/edge inference solutions and software stacks.
7. Business model: Software licensing, edge deployments, and partner integrations.
8. Key customers / markets: Robotics, automotive, industrial IoT, telecom.
9. Growth trajectory / milestones: Series B to drive product maturity and expand enterprise sales.
10. Roadmap / features: Edge acceleration productization, developer tools, and vertical solutions.

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23) avatarin

1. Founded: 2020.
2. Founder / Leadership: Akira Fukabori.
3. Funding / Budget: ~$23.5M (Series B).
4. Employees (range): 11–50.
5. Headquarters: Japan (Tokyo ecosystem).
6. Core product / service: Mobility & human augmentation — remote presence/robotic avatar systems.
7. Business model: Device sales, service subscriptions, B2B contracts for mobility solutions.
8. Key customers / markets: Healthcare, remote-work solutions, events, factory operations.
9. Growth trajectory / milestones: Raised Series B to scale hardware and service deployments.
10. Roadmap / features: Improve autonomy, expand use-cases (telepresence, logistics) and global pilots.

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24) TradeWaltz

1. Founded: 2020.
2. Founders / Leadership: Not provided.
3. Funding / Budget: ~$21.8M.
4. Employees (range): 1–10 (small, specialized team per your list).
5. Headquarters: Japan (Tokyo ecosystem).
6. Core product / service: Cross-border trade platform leveraging blockchain for document management and logistics.
7. Business model: Platform fees, enterprise integrations, customs/logistics partnerships.
8. Key customers / markets: Trade finance, import/export firms, logistics companies, commodity traders.
9. Growth trajectory / milestones: Funding to expand platform pilots and cross-border integrations.
10. Roadmap / features: Onboarding more trade corridors, improving KYC/AML workflows, and enterprise connectors.

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25) Beatrust

1. Founded: 2020.
2. Founders / Leadership: Hara Kunio, Kume Masato.
3. Funding / Budget: ~$9.1M (Series A).
4. Employees (range): 1–10.
5. Headquarters: Japan (Tokyo).
6. Core product / service: Talent collaboration platform — tools for creators and talent networks.
7. Business model: SaaS, subscriptions, commissions on collaborations, enterprise talent solutions.
8. Key customers / markets: Creative agencies, freelance communities, brands seeking talent match.
9. Growth trajectory / milestones: Series A for product scaling and community growth.
10. Roadmap / features: Marketplace expansion, analytics for talent matching, and monetization features.

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26) AGRI SMILE

1. Founded: 2018.
2. Founder / Leadership: Takaya Nakamichi.
3. Funding / Budget: ~$7.0M (Series A).
4. Employees (range): 1–10.
5. Headquarters: Japan (agritech based in Tokyo ecosystem).
6. Core product / service: Sustainable agriculture technology — tools for precision farming and yield optimization.
7. Business model: Hardware + software packages for farms, subscription analytics, and project deployments.
8. Key customers / markets: Farmers, agri-enterprises, food producers interested in sustainability.
9. Growth trajectory / milestones: Series A to productize tech and run larger field pilots.
10. Roadmap / features: Scale automation, IoT sensor networks, and export to regional markets.

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27) SOUNDRAW

1. Founded: 2020.
2. Founder / Leadership: Daigo Kusunoki.
3. Funding / Budget: ~$5.0M.
4. Employees (range): 1–10.
5. Headquarters: Japan (Tokyo).
6. Core product / service: AI-powered music generation — royalty-free music for creators and videos.
7. Business model: Subscription licensing, creator tiers, enterprise music licensing.
8. Key customers / markets: Content creators, advertisers, production studios, influencers.
9. Growth trajectory / milestones: Product-market fit with creators & strategic partnerships for distribution.
10. Roadmap / features: Expand track variety, customization features, and enterprise APIs.

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28) ALGO ARTIS

1. Founded: 2021.
2. Founders / Leadership: Not provided.
3. Funding / Budget: ~$4.8M (Series A).
4. Employees (range): 11–50.
5. Headquarters: Japan (Tokyo ecosystem).
6. Core product / service: Industrial optimization solutions — AI for logistics, storage, operational efficiency.
7. Business model: Software licensing, optimization consulting, SaaS deployments.
8. Key customers / markets: Logistics providers, warehousing, self-storage operators, supply chain.
9. Growth trajectory / milestones: Series A to scale product & enterprise sales.
10. Roadmap / features: Real-time routing optimization, ML-driven throughput improvements, and cross-industry pilots.

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29) Instalimb

1. Founded: 2018.
2. Founders / Leadership: Tokushima Yutaka, Yoshiro Kaji (listed).
3. Funding / Budget: ~$4.0M (Series A).
4. Employees (range): 11–50.
5. Headquarters: Japan (Tokyo ecosystem presence).
6. Core product / service: 3D-printed prosthetics — innovative, lower-cost prosthesis manufacturing.
7. Business model: Device sales, clinic partnerships, custom prosthetics manufacturing.
8. Key customers / markets: Healthcare providers, prosthetics clinics, patients needing affordable prostheses.
9. Growth trajectory / milestones: Claimed achievement: “world’s first 3D-printed prosthesis company” per your note — Series A to scale manufacturing and distribution.
10. Roadmap / features: Expand product lines, clinical validations, and export to international healthcare markets.

30) Telexistence

Founded: 2017
Founders / Leadership: Yusuke Inoue, Masaki Kondo
Funding / Budget: ~$78.0M (Series C)
Employees (range): 51–100
Headquarters: Tokyo, Japan
Core product / service: Remote-controlled robotic systems for logistics, warehousing, and industrial tasks
Business model: Device sales, SaaS-like subscription for control software, B2B contracts
Key customers / markets: Logistics companies, warehouses, manufacturing plants, e-commerce fulfillment centers
Growth trajectory / milestones: Raised Series C to scale production, expand commercial pilots, and launch new autonomous robot models
Roadmap / features: Enhance teleoperation software, add AI-assisted automation, expand globally, integrate with warehouse management systems

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