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Document Understanding user guide

Last updated Apr 6, 2026

Cloud and on-premises usage

The activities from this page can be executed by any Robot, be it connected to a Cloud or on-premises Orchestrator. For Enterprise scenarios, they need access to the environment the Document UnderstandingTM licenses are stored in. These can appear either in a cloud account or in an on-premises Orchestrator.

The configuration of these activities differs based on your setup. Please choose the scenario you are based on, considering the type of license you have and where your Document Understanding bundles reside (cloud or on-premises).

Note:

If you consume services or endpoints from an Automation Cloud™ environment (for example, du.uipath.com/ocr or du.uipath.com/ie/invoices) while you are using a different deployment type, such as Automation Suite offline, you need to add the API key from an Automation Cloud account, not the one available in Automation Suite..

Form Extractor / Intelligent Keyword Classifier

ScenarioURLAPI KeyLimitationsTrack your consumption
Community CloudThe default endpoint pre-populated in the activity.In Automation Cloud™, the API Key you find under Consumables for AI Units.Documents of maximum 2 pages. Maximum 50 requests per hour.Home > Admin > Licenses > Consumables > AI Units
Enterprise CloudThe default endpoint pre-populated in the activity.In Automation Cloud™, the API Key you find under Consumables for AI Units.N/AHome > Admin > Licenses > Consumables > AI Units
Enterprise on-premises deployed on AI Center standaloneThe public endpoint for the ML Skill published in your local AI Center instance.In Automation Cloud™, the API Key you find under Consumables for AI Units.N/AHome > Admin > Licenses > Consumables > AI Units
Enterprise on-premises air-gapped (offline) deployed on AI Center standaloneThe public endpoint for the ML Skill published in your local AI Center instance.N/A 1N/AHome > Admin > Licenses > Consumables > AI Units
Enterprise on-premises deployed on Automation SuiteThe public endpoint for the ML Skill published in your local AI Center instance.In Automation Suite, the API Key you find under Robots & Services for AI Units.N/AHome > Admin > Licenses > Robots & Services > AI Units
Enterprise on-premises air-gapped (offline) deployed on Automation SuiteThe public endpoint for the ML Skill published in your local AI Center instance.In Automation Suite, the API Key you find under Robots & Services for AI Units.N/AHome > Admin > Licenses > Robots & Services > AI Units

1 There is no API Key needed in case of an AI Center standalone offline deployment. However, you need to type in a string of characters instead of the API Key.

Note:

You can use the API Key under Document Understanding pages if the license contains Document Understanding pages instead of AI units

Note:

When using an on-premises air-gapped ML Skill deployed on AI Center standalone with the Form Extractor / Intelligent Keyword Classifier activity, the robot needs to be connected to the Orchestrator tenant where the skill was created.

Machine Learning Classifier

ScenarioURL/ML SkillAPI KeyLimitationsTrack your consumption
Community Cloud1Public ML Skill endpoint from AI Center / ML SkillIn Automation Cloud™, the API Key you find under Consumables for AI Units.Documents of maximum 2 pages. Maximum 50 requests per hour.Home > Admin > Licenses > Consumables > AI Units
Enterprise CloudPublic ML Skill endpoint from AI Center / ML SkillIn Automation Cloud™, the API Key you find under Consumables for AI Units.N/AHome > Admin > Licenses > Consumables > AI Units
Enterprise on-premises deployed on AI Center standalonePublic ML Skill endpoint from AI Center / ML SkillIn Automation Cloud™, the API Key you find under Consumables for AI Units.N/AHome > Admin > Licenses > Consumables > AI Units
Enterprise on-premises air-gapped (offline) deployed on AI Center standalonePublic ML Skill endpoint from AI Center / ML SkillN/A 2N/AHome > Admin > Licenses > Robots & Services > AI Units
Enterprise on-premises deployed on Automation SuitePublic ML Skill endpoint from AI Center / ML SkillIn Automation Suite, the API Key you find under Robots & Services for AI Units.N/AHome > Admin > Licenses > Robots & Services > AI Units
Enterprise on-premises air-gapped deployed on Automation SuitePublic ML Skill endpoint from AI Center / ML SkillIn Automation Suite, the API Key you find under Robots & Services for AI Units.N/AHome > Admin > Licenses > Robots & Services > AI Units

1 Machine Learning Classifier works with Document Understanding Community license, but you need access to AI Center for model training and hosting.

2 There is no API Key needed in case of an AI Center standalone offline deployment. However, you need to type in a string of characters instead of the API Key.

Machine Learning Extractor

ScenarioURL/ML SkillAPI KeyLimitationsTrack your consumption
Community CloudPublic Document Understanding EndpointsIn Automation Cloud™, the API Key you find under Consumables for AI Units.Documents of maximum 2 pages. Maximum 50 requests per hour.Home > Admin > Licenses > Consumables > AI Units
Enterprise CloudPublic Document Understanding Endpoints or AI Center hosted custom ML Skill (Public ML Skill endpoint from AI Center / ML Skill)In Automation Cloud™, the API Key you find under Consumables for AI Units.Documents of maximum 30 pages, only if you are using public Document Understanding endpoints.Home > Admin > Licenses > Consumables > AI Units
Enterprise on-premises deployed on AI Center standalonePublic ML Skill endpoint from AI Center / ML SkillIn Automation Cloud™, the API Key you find under Consumables for AI Units.N/AHome > Admin > Licenses > Consumables > AI Units
Enterprise on-premises air-gapped (offline) deployed on AI Center standaloneNo URL, select ML Skill insteadN/A 1N/AHome > Admin > Licenses > Robots & Services > AI Units
Enterprise on-premises deployed on Automation SuitePublic ML Skill endpoint from AI Center / ML SkillIn Automation Suite, the API Key you find under Robots & Services for AI Units.N/AHome > Admin > Licenses > Robots & Services > AI Units
Enterprise on-premises air-gapped deployed on Automation SuitePublic ML Skill endpoint from AI Center / ML SkillIn Automation Suite, the API Key you find under Robots & Services for AI Units.N/AHome > Admin > Licenses > Robots & Services > AI Units

1 There is no API Key needed in case of an AI Center standalone offline deployment. However, you need to type in a string of characters instead of the API Key.

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