# Property Valuation and Market

- [Condition score API](https://docs.altum.ai/english/property-valuation-and-market/condition-score-api.md): Retrieve an unbiased score of the bathroom or kitchen based on an Image.
- [Authentication, input and response](https://docs.altum.ai/english/property-valuation-and-market/condition-score-api/authentication-input-and-response.md)
- [API Key Information](https://docs.altum.ai/english/property-valuation-and-market/condition-score-api/api-key-information.md): Understanding and Obtaining Your API Key
- [Output interpretation](https://docs.altum.ai/english/property-valuation-and-market/condition-score-api/output-interpretation.md): An explanation and interpretation of every feature outputted in the API response.
- [Photo Labelling API](https://docs.altum.ai/english/property-valuation-and-market/photo-labelling-api.md): The Photo Labelling API processes images of houses and generates the correct label for both indoor and outdoor images.
- [Authentication, input and response](https://docs.altum.ai/english/property-valuation-and-market/photo-labelling-api/authentication-input-and-response.md)
- [API Key Information](https://docs.altum.ai/english/property-valuation-and-market/photo-labelling-api/api-key-information.md): Understanding and Obtaining Your API Key
- [Output interpretation](https://docs.altum.ai/english/property-valuation-and-market/photo-labelling-api/output-interpretation.md): An explanation and interpretation of every feature outputted in the API response.
- [Interactive Reference API](https://docs.altum.ai/english/property-valuation-and-market/interactive-reference-api.md): The interactive reference API gives the appraiser full flexibility on finding the right reference objects based on multiple variables, comparables and strict functions.
- [Changelog](https://docs.altum.ai/english/property-valuation-and-market/interactive-reference-api/changelog.md): A description of the changes per deployed version.
- [Authentication, input and response](https://docs.altum.ai/english/property-valuation-and-market/interactive-reference-api/authentication-input-and-response.md)
- [API Key Information](https://docs.altum.ai/english/property-valuation-and-market/interactive-reference-api/api-key-information.md): Understanding and Obtaining Your API Key
- [Visual similarity search](https://docs.altum.ai/english/property-valuation-and-market/interactive-reference-api/visual-similarity-search.md): Not all features of a property are caught in tabular data. For finding reference objects, we now support visual search which can be added as a weight
- [House types](https://docs.altum.ai/english/property-valuation-and-market/interactive-reference-api/house-types.md)
- [Comparable functions](https://docs.altum.ai/english/property-valuation-and-market/interactive-reference-api/comparable-functions.md)
- [Output interpretation](https://docs.altum.ai/english/property-valuation-and-market/interactive-reference-api/output-interpretation.md): An explanation and interpretation of every feature outputted in the API response.
- [Kadaster Transaction API](https://docs.altum.ai/english/property-valuation-and-market/kadaster-transaction-api.md): The purpose of the Transaction API is to be able to retrieve all transaction data per property as registered by the Kadaster in The Netherlands.
- [Authentication, input and response](https://docs.altum.ai/english/property-valuation-and-market/kadaster-transaction-api/authentication-input-and-response.md)
- [API Key Information](https://docs.altum.ai/english/property-valuation-and-market/kadaster-transaction-api/api-key-information.md): Understanding and Obtaining Your API Key
- [Output interpretation](https://docs.altum.ai/english/property-valuation-and-market/kadaster-transaction-api/output-interpretation.md): An explanation and interpretation of every feature outputted in the API response.
- [Market Trend API](https://docs.altum.ai/english/property-valuation-and-market/market-trend-api.md): The Market Tren API analyzes real property transactions to quantify how a specific neighbourhood’s real estate market is performing today and how it has evolved over time.
- [Authentication, input and response](https://docs.altum.ai/english/property-valuation-and-market/market-trend-api/authentication-input-and-response.md)
- [API Key Information](https://docs.altum.ai/english/property-valuation-and-market/market-trend-api/api-key-information.md): Understanding and Obtaining Your API Key
- [Listing Price API](https://docs.altum.ai/english/property-valuation-and-market/listing-price-api.md): The Listing Price API provides the listing price value of the inputted Dutch home on the given valuation date.
- [Changelog](https://docs.altum.ai/english/property-valuation-and-market/listing-price-api/changelog.md)
- [Authentication, input and response](https://docs.altum.ai/english/property-valuation-and-market/listing-price-api/authentication-input-and-response.md): Details on input output and authentication requirements
- [API Key Information](https://docs.altum.ai/english/property-valuation-and-market/listing-price-api/api-key-information.md): Understanding and Obtaining Your API Key
- [House numbers, letters & additions](https://docs.altum.ai/english/property-valuation-and-market/listing-price-api/house-numbers-letters-and-additions.md): The proper format for the house number and house addition input
- [Inner and Outer Surface Area](https://docs.altum.ai/english/property-valuation-and-market/listing-price-api/inner-and-outer-surface-area.md): The proper format for the energy label and inner surface area input
- [Output interpretation](https://docs.altum.ai/english/property-valuation-and-market/listing-price-api/output-interpretation.md): An explanation and interpretation of every feature outputted in the API response.
- [AVM API](https://docs.altum.ai/english/property-valuation-and-market/avm-api.md): Quering the AVM API for a Dutch home gives the market value of the given valuation date
- [Changelog](https://docs.altum.ai/english/property-valuation-and-market/avm-api/changelog.md)
- [Authentication, input and response](https://docs.altum.ai/english/property-valuation-and-market/avm-api/authentication-input-and-response.md)
- [API Key Information](https://docs.altum.ai/english/property-valuation-and-market/avm-api/api-key-information.md): Understanding and Obtaining Your API Key
- [Accuracy Indicator](https://docs.altum.ai/english/property-valuation-and-market/avm-api/accuracy-indicator.md)
- [House numbers & additions](https://docs.altum.ai/english/property-valuation-and-market/avm-api/house-numbers-and-additions.md)
- [House types](https://docs.altum.ai/english/property-valuation-and-market/avm-api/house-types.md)
- [Variables](https://docs.altum.ai/english/property-valuation-and-market/avm-api/variables.md): Explanation of the different variables of the output.
- [Output interpretation](https://docs.altum.ai/english/property-valuation-and-market/avm-api/output-interpretation.md): An explanation and interpretation of every feature outputted in the API response.
- [Frequently Asked Questions (FAQ)](https://docs.altum.ai/english/property-valuation-and-market/avm-api/frequently-asked-questions-faq.md)
- [AVM+ API](https://docs.altum.ai/english/property-valuation-and-market/avm+-api.md): The AVM+ API provides the transaction value of the inputted Dutch home on the given valuation date.
- [Changelog](https://docs.altum.ai/english/property-valuation-and-market/avm+-api/changelog.md)
- [Authentication, input and response](https://docs.altum.ai/english/property-valuation-and-market/avm+-api/authentication-input-and-response.md): Details on input output and authentication requirements
- [API Key Information](https://docs.altum.ai/english/property-valuation-and-market/avm+-api/api-key-information.md): Understanding and Obtaining Your API Key
- [House numbers, letters & additions](https://docs.altum.ai/english/property-valuation-and-market/avm+-api/house-numbers-letters-and-additions.md): The proper format for the house number and house addition input
- [Energylabel and Inner and Outer Surface Area](https://docs.altum.ai/english/property-valuation-and-market/avm+-api/energylabel-and-inner-and-outer-surface-area.md): The proper format for the energy label and inner surface area input
- [Output interpretation](https://docs.altum.ai/english/property-valuation-and-market/avm+-api/output-interpretation.md): An explanation and interpretation of every feature outputted in the API response.


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