# AWS Comprehend
AWS Comprehend is a natural language processing (NLP) service that uses machine learning to find insights and relationships in text. The AWS Comprehend connector provides text analysis capabilities to extract key phrases, entities, sentiment, and language insights from unstructured text data in Workato.
You can use the connector to:
- Classify documents using custom classification models
- Extract key phrases and entities from business documents
- Detect personally identifiable information (PII) in text
# API version
The AWS Comprehend connector uses the Comprehend API (opens new window).
# How to connect to AWS Comprehend
Workato supports the following types of connections to AWS Comprehend:
IAM ROLE AUTHENTICATION
We recommend creating a dedicated integration role for this Workato connection. This helps maintain clear permission boundaries and control what actions Workato can access and perform in the application.
Refer to the following documentation for more information about IAM role authentication in Workato:
# IAM role authentication
For this authentication method, you must provide the IAM role ARN (opens new window).
Complete the steps in Use IAM role-based authentication for AWS Services to get the required IAM role Amazon Resource Name (ARN).
# Complete IAM role ARN setup in Workato
Complete the following steps to establish an AWS Comprehend connection in Workato using IAM role authentication:
Click Create > Connection.
Search for and select AWS Comprehend as your connection on the New connection page.
Provide a name for your connection in the Connection name field.
Use the Location drop-down menu to select the project where you plan to store the connection.
Select IAM role in the Authentication type drop-down menu.
Enter your IAM role ARN.
Enter the service region of your AWS Comprehend account in the Region field. You can locate this value in your Amazon account URL. For example, if your account URL is https://eu-west-1.console.s3.amazon.com, your region is eu-west-1.
Click Connect.
# Access key authentication
This authentication method requires an access key. Refer to the Amazon documentation (opens new window) to get the required access key information.
# Complete access key setup in Workato
Complete the following steps to establish an AWS Comprehend connection in Workato using access key authentication:
Click Create > Connection.
Search for and select AWS Comprehend as your connection on the New connection page.
Provide a name for your connection in the Connection name field.
Use the Location drop-down menu to select the project where you plan to store the connection.
Select Access key in the Authentication type drop-down menu.
Enter your Access key ID.
Enter your Secret access key.
Enter the service region of your AWS Comprehend account in the Region field. You can locate this value in your Amazon account URL. For example, if your account URL is https://eu-west-1.console.s3.amazon.com, your region is eu-west-1.
Click Connect.
Last updated: 10/17/2025, 5:12:05 PM