- Overview
- Getting started
- Building models
- Consuming models
- ML packages
- 1040 - document type
- 1040 Schedule C - document type
- 1040 Schedule D - document type
- 1040 Schedule E - document type
- 1040x - document type
- 3949a - document type
- 4506T - document type
- 709 - document type
- 941x - document type
- 9465 - document type
- ACORD125 - document type
- ACORD126 - document type
- ACORD131 - document type
- ACORD140 - document type
- ACORD25 - document type
- Bank Statements - document type
- Bills Of Lading - document type
- Certificate of Incorporation - document type
- Certificate of Origin - document type
- Checks - document type
- Children Product Certificate - document type
- CMS 1500 - document type
- EU Declaration of Conformity - document type
- Financial Statements - document type
- FM1003 - document type
- I9 - document type
- ID Cards - document type
- Invoices - document type
- Invoices Australia - document type
- Invoices China - document type
- Invoices Hebrew - document type
- Invoices India - document type
- Invoices Japan - document type
- Invoices Shipping - document type
- Packing Lists - document type
- Payslips - document type
- Passports - document type
- Purchase Orders - document type
- Receipts - document type
- Remittance Advices - document type
- UB04 - document type
- Utility Bills - document type
- Vehicle Titles - document type
- W2 - document type
- W9 - document type
- Public endpoints
- Supported languages
- Insights dashboards
- Data and security
- Licensing
- How to
- Troubleshooting

Document Understanding Modern Projects User Guide
API Key
The AI Units section in the Consumables tab on the Licenses page displays the consumption entitlement (AI Units) that can be extracted by our Machine Learning servers based on your AI Units entitlement.
Access to the models' endpoints is granted based on an API Key. The API Key is generated automatically when you create your account, and it is required for the following activities in Studio:
- Form Extractor
- Intelligent Keyword Classifier
These activities allow you to use UiPath® ML models.
Click Copy API Key to copy the displayed API Key to your clipboard and then paste it in your activity or in the case of UiPath® OCR, in the UiPath Document OCR engine activity.
A request is sent from the activity to the Machine Learning Server, and access is granted based on your API Key.
If at any point the API Key is compromised, discard it by generating a new one.
Keep in mind that we limit the size of documents that can be processed by our servers. For more information, check the Known limitations page.