> For the complete documentation index, see [llms.txt](https://docs.altum.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.altum.ai/english/enterprise/fair-use-policy.md).

# Fair Use Policy

### Fair Use Policy – Unlimited API Plan Altum AI

### Purpose

This Fair Use Policy applies to all customers with an “Unlimited” subscription to the Altum AI APIs (including Property Valuation API, Housing Features API, Sustainability API, WOZ API and all other datasets). The Unlimited plan provides very generous access without hard limits, while protecting the platform and other customers from abuse.

### What is allowed (generous business use)

* Normal and intensive business use by a single organisation (e.g. bank, mortgage lender, brokerage chain, proptech scale-up).
* Multiple internal users and departments within the same legal entity.
* Integration into your own software, dashboards, CRM systems and client portals.
* Batch processing and caching for your own end-customers (with source attribution to Altum AI).
* Tens of thousands of API calls per day is considered normal and fully covered.
* Up till 6 concurrent requests per second.

### What is considered abuse (not allowed)

* Reselling or redistributing raw API data to third parties outside your organisation (sub-licensing).
* Using the API as a proxy or mirror for competing data services.
* Automatically forwarding calls to non-customers (e.g. public portal without a whitelabel agreement).
* Continuously crawling or downloading the entire Dutch housing stock within a few days.
* Use for crypto mining, DDoS attacks, spam or other non-business purposes.

### How we enforce fair use

* We monitor usage patterns for extreme sustained volumes (> 500,000 calls/day).
* In case of suspected abuse, we first contact you to find a solution together (e.g. Enterprise tier or whitelabel licence).
* Access may be temporarily restricted or terminated only after deliberate and repeated abuse following a warning.

### One-sentence summary

You may use our APIs without limits for all your own business processes and your own end-customers, as long as you do not resell the raw data or technically overload the platform.

This policy may be amended unilaterally with 30 days’ written notice.

Current version: 11 December 2025.

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