How to connect Amazon S3 and Captions
Create a New Scenario to Connect Amazon S3 and Captions
In the workspace, click the “Create New Scenario” button.

Add the First Step
Add the first node – a trigger that will initiate the scenario when it receives the required event. Triggers can be scheduled, called by a Amazon S3, triggered by another scenario, or executed manually (for testing purposes). In most cases, Amazon S3 or Captions will be your first step. To do this, click "Choose an app," find Amazon S3 or Captions, and select the appropriate trigger to start the scenario.

Add the Amazon S3 Node
Select the Amazon S3 node from the app selection panel on the right.


Amazon S3

Configure the Amazon S3
Click on the Amazon S3 node to configure it. You can modify the Amazon S3 URL and choose between DEV and PROD versions. You can also copy it for use in further automations.
Add the Captions Node
Next, click the plus (+) icon on the Amazon S3 node, select Captions from the list of available apps, and choose the action you need from the list of nodes within Captions.


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Authenticate Captions
Now, click the Captions node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Captions settings. Authentication allows you to use Captions through Latenode.
Configure the Amazon S3 and Captions Nodes
Next, configure the nodes by filling in the required parameters according to your logic. Fields marked with a red asterisk (*) are mandatory.
Set Up the Amazon S3 and Captions Integration
Use various Latenode nodes to transform data and enhance your integration:
- Branching: Create multiple branches within the scenario to handle complex logic.
- Merging: Combine different node branches into one, passing data through it.
- Plug n Play Nodes: Use nodes that don’t require account credentials.
- Ask AI: Use the GPT-powered option to add AI capabilities to any node.
- Wait: Set waiting times, either for intervals or until specific dates.
- Sub-scenarios (Nodules): Create sub-scenarios that are encapsulated in a single node.
- Iteration: Process arrays of data when needed.
- Code: Write custom code or ask our AI assistant to do it for you.

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Trigger on Webhook
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Save and Activate the Scenario
After configuring Amazon S3, Captions, and any additional nodes, don’t forget to save the scenario and click "Deploy." Activating the scenario ensures it will run automatically whenever the trigger node receives input or a condition is met. By default, all newly created scenarios are deactivated.
Test the Scenario
Run the scenario by clicking “Run once” and triggering an event to check if the Amazon S3 and Captions integration works as expected. Depending on your setup, data should flow between Amazon S3 and Captions (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect Amazon S3 and Captions
Amazon S3 + Slack: When a new video file is uploaded to an Amazon S3 bucket, a notification is sent to a specified Slack channel to alert the team that a new video is available for captioning.
Captions + Amazon S3 + Google Drive: When a video translation request is submitted to Captions, and after it completes, the resulting caption file is saved as a text file to a specific folder in Google Drive. The initial video source is an Amazon S3 bucket.
Amazon S3 and Captions integration alternatives

About Amazon S3
Automate S3 file management within Latenode. Trigger flows on new uploads, automatically process stored data, and archive old files. Integrate S3 with your database, AI models, or other apps. Latenode simplifies complex S3 workflows with visual tools and code options for custom logic.
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About Captions
Need accurate, automated captions for videos? Integrate Captions with Latenode to generate and sync subtitles across platforms. Automate video accessibility for marketing, training, or support. Latenode adds scheduling, file handling, and error control to Captions, making scalable captioning workflows simple and efficient.
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FAQ Amazon S3 and Captions
How can I connect my Amazon S3 account to Captions using Latenode?
To connect your Amazon S3 account to Captions on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select Amazon S3 and click on "Connect".
- Authenticate your Amazon S3 and Captions accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automatically generate captions for videos stored in S3?
Yes, you can! Latenode's visual editor and AI blocks allow you to automate caption generation, saving time and effort while ensuring your videos are accessible.
What types of tasks can I perform by integrating Amazon S3 with Captions?
Integrating Amazon S3 with Captions allows you to perform various tasks, including:
- Automatically generate captions when a video is uploaded to Amazon S3.
- Synchronize updated captions from Captions back to the corresponding S3 file.
- Process batches of video files in S3 to create captions at scale.
- Trigger workflows based on caption creation or modification events.
- Use AI to edit and enhance captions stored with your video files.
Can I use JavaScript to customize my S3 and Captions workflows?
Yes! Latenode offers full JavaScript support, enabling advanced customization within your Amazon S3 and Captions workflows.
Are there any limitations to the Amazon S3 and Captions integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Large video files may require significant processing time for caption generation.
- The accuracy of automatically generated captions depends on audio quality.
- Advanced Captions features might require a paid Captions subscription.