# API Hub – Mitsubishi Electric Trane US

**API Hub is the _only approved solution_ for third-party access to Mitsubishi
Electric Trane US data.**

All external integrations must use this platform for connecting to company
systems. Direct system-to-system connections are not permitted for security,
compliance, and data governance reasons. API Hub provides a standardized,
secure gateway that ensures all third-party access is properly authenticated,
authorized, monitored, and auditable.

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## What is API Hub?

API Hub provides secure, managed access to our internal business data and
services through unified REST API endpoints. As a centralized integration
platform, API Hub abstracts the complexity of our backend infrastructure,
allowing you to focus on building your integration rather than managing multiple
system connections.

Behind the scenes, API Hub handles authentication, rate limiting, request
routing, data transformation, and connection management to our backend systems.
This means you work with a single, consistent API surface regardless of where
the data originates or how our internal systems evolve over time.

Key features include:
- **Unified Authentication:** Single credential set for all endpoints
- **Comprehensive Documentation:** Interactive API reference with examples
- **Versioned APIs:** Backward-compatible changes with clear deprecation policies
- **Rate Limiting:** Fair usage controls to ensure system stability
- **Monitoring & Support:** Request tracking and technical assistance

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## Getting Access

To obtain API access, you must complete our official access request process:

1. **Submit Access Request:** Complete the form at https://forms.cloud.microsoft/r/CFTLDeQi5k
2. **Review & Approval:** Our team will review your request and intended use case
3. **Credential Provisioning:** Once approved, you’ll receive your API credentials via secure delivery
4. **Integration Support:** Access to this documentation portal and technical support resources

Please allow 3-5 business days for access request processing. Your request
should include details about your integration use case, expected API usage
volume, and technical contact information.

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## Shared Responsibility & Security Model

As used herein, "METUS" means Mitsubishi Electric Trane HVAC US LLC.

API Hub operates under a shared responsibility model for security and data
integrity:

### METUS Responsibilities

**Security of the API Platform:** METUS is responsible for maintaining the
security, availability, and integrity of the API Hub infrastructure and
underlying systems.

**Access Controls:** METUS manages authentication mechanisms and initial
credential provisioning.

### API Consumer Responsibilities

**Credential Security:** You are solely responsible for safeguarding your API
credentials, including storage, rotation, and access controls within your
systems. You must notify METUS immediately (and in no event later than
twenty-four (24) hours) upon discovering or suspecting any unauthorized access
to, or compromise of, your API credentials.

**Proper API Usage:** You are responsible for how you use the API, including
data validation, error handling, and adherence to rate limits and usage
guidelines.

**Access Management:** You must implement appropriate security controls to
prevent unauthorized access to your systems and credentials.

**Data Integrity:** You are responsible for the accuracy and appropriateness of
any data you submit through the API.

You shall not use the API Hub to: (a) reverse engineer, decompile, or
disassemble any aspect of the API or underlying systems; (b) exceed your
authorized access scope or circumvent security controls; (c) interfere with or
disrupt the API Hub or connected systems; (d) use the API for any unlawful
purpose; or (e) permit unauthorized third parties to access or use your
credentials or API access.

### Suspension and Termination

METUS may, in its sole discretion and without liability, suspend or terminate
your API access immediately upon notice if: (a) you breach any provision of
these terms; (b) METUS reasonably suspects unauthorized access, credential
compromise, or misuse; (c) continued access poses a security risk to METUS or
other users; or (d) required by law or regulatory authority. METUS may also
modify or discontinue any API functionality upon thirty (30) days' prior notice,
except where immediate action is required for security or legal compliance.

### Disclaimer of Warranties

THE API HUB IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTY OF ANY KIND.
METUS DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
TITLE, AND NON-INFRINGEMENT. METUS DOES NOT WARRANT THAT THE API HUB WILL BE
UNINTERRUPTED, ERROR-FREE, SECURE, OR FREE OF VIRUSES OR OTHER HARMFUL
COMPONENTS.

### Liability and Indemnification

METUS SHALL NOT BE LIABLE for any damages, losses, or issues arising from:

- Unauthorized access to or misuse of API credentials under your control
- Data corruption, loss, or modification resulting from your API usage
- Security breaches originating from your systems or environment
- Any actions taken through the API using your valid credentials
- METUS'S TOTAL AGGREGATE LIABILITY FOR ALL CLAIMS ARISING OUT OF OR RELATED TO
  THE API HUB SHALL NOT EXCEED THE GREATER OF (A) THE FEES PAID BY YOU TO METUS
  FOR API HUB ACCESS DURING THE TWELVE (12) MONTHS PRECEDING THE CLAIM, OR (B)
  ONE HUNDRED DOLLARS ($100).
- IN NO EVENT SHALL METUS BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
  PUNITIVE, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS,
  LOSS OF DATA, BUSINESS INTERRUPTION, OR LOSS OF GOODWILL) ARISING OUT OF OR
  RELATED TO YOUR USE OF THE API HUB, REGARDLESS OF THE THEORY OF LIABILITY.

You agree to indemnify and hold METUS harmless from any claims, damages, losses,
or expenses (including legal fees) arising from:

- Your use or misuse of the API Hub
- Security incidents resulting from compromised credentials under your control
- Data integrity issues caused by your API operations
- Any breach of these terms or applicable laws by you or your authorized users

By using API Hub, you acknowledge and accept these terms of shared
responsibility.

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## Support

- For questions or technical support, please reach out to your account
  representative.
- Detailed API endpoint documentation is available in the links above.

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> **Note:**  
> All third-party access must use API Hub. Direct connections to Mitsubishi
> Electric Trane US systems are not permitted.
