How to connect OCR Space and Postmark
Create a New Scenario to Connect OCR Space and Postmark
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 OCR Space, triggered by another scenario, or executed manually (for testing purposes). In most cases, OCR Space or Postmark will be your first step. To do this, click "Choose an app," find OCR Space or Postmark, and select the appropriate trigger to start the scenario.

Add the OCR Space Node
Select the OCR Space node from the app selection panel on the right.

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

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Authenticate Postmark
Now, click the Postmark node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your Postmark settings. Authentication allows you to use Postmark through Latenode.
Configure the OCR Space and Postmark 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 OCR Space and Postmark 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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AI Anthropic Claude 3
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Postmark
Trigger on Webhook
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OCR Space
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Webhook response

Save and Activate the Scenario
After configuring OCR Space, Postmark, 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 OCR Space and Postmark integration works as expected. Depending on your setup, data should flow between OCR Space and Postmark (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect OCR Space and Postmark
OCR Space + Postmark + Airtable: Extract text from invoices using OCR Space, then send email confirmations via Postmark and log the extracted invoice data in Airtable.
Postmark + OCR Space + Google Drive: When a new email arrives in Postmark with an attachment, the attachment is scanned for text using OCR Space. The extracted text is then saved to a new file in a specified folder in Google Drive.
OCR Space and Postmark integration alternatives
About OCR Space
Need to extract text from images or PDFs? Use OCR Space in Latenode to automatically process documents and integrate the data into your workflows. Automate invoice processing, data entry, or compliance checks. Latenode adds flexible logic, file parsing, and destinations to your OCR results, scaling beyond single-document processing.
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About Postmark
Use Postmark in Latenode to automate transactional emails. Connect events from your apps to trigger personalized messages, like order confirmations or password resets. Benefit from Postmark’s deliverability, plus Latenode's visual workflow builder and flexible logic to filter events and enrich email data, ensuring accurate and timely communication.
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See how Latenode works
FAQ OCR Space and Postmark
How can I connect my OCR Space account to Postmark using Latenode?
To connect your OCR Space account to Postmark on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select OCR Space and click on "Connect".
- Authenticate your OCR Space and Postmark accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automatically email invoice data extracted from scanned documents?
Yes! Latenode lets you automate this. Extract data with OCR Space, then automatically email it using Postmark. Latenode handles complex logic and scaling, streamlining invoice processing.
What types of tasks can I perform by integrating OCR Space with Postmark?
Integrating OCR Space with Postmark allows you to perform various tasks, including:
- Automatically emailing extracted data from scanned contracts.
- Sending notifications when specific data is found in scanned documents.
- Creating email campaigns based on OCR-processed survey results.
- Generating personalized email reports from digitized financial statements.
- Automating data entry and verification workflows using email confirmations.
Can I use Javascript code to transform OCR Space data in Latenode?
Yes, you can use Javascript code blocks within Latenode to modify the OCR Space output before sending it to Postmark.
Are there any limitations to the OCR Space and Postmark integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Free OCR Space accounts may have usage limits on document processing.
- Postmark's sending limits are based on your chosen pricing plan.
- Very complex document layouts may require advanced OCR Space configuration.