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

Add the PDF.co Node
Select the PDF.co node from the app selection panel on the right.

PDF.co
Add the CryptoPro Node
Next, click the plus (+) icon on the PDF.co node, select CryptoPro from the list of available apps, and choose the action you need from the list of nodes within CryptoPro.

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Authenticate CryptoPro
Now, click the CryptoPro node and select the connection option. This can be an OAuth2 connection or an API key, which you can obtain in your CryptoPro settings. Authentication allows you to use CryptoPro through Latenode.
Configure the PDF.co and CryptoPro 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 PDF.co and CryptoPro 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 PDF.co, CryptoPro, 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 PDF.co and CryptoPro integration works as expected. Depending on your setup, data should flow between PDF.co and CryptoPro (or vice versa). Easily troubleshoot the scenario by reviewing the execution history to identify and fix any issues.
Most powerful ways to connect PDF.co and CryptoPro
PDF.co + CryptoPro + Email: Automatically process invoices received via email, digitally sign them using CryptoPro, and then send the signed invoice back to the client.
CryptoPro + PDF.co + Email: When a signed PDF document is received via email, verify the signature using CryptoPro. Then, parse the document with PDF.co and save the data as a new Email. The data can be used as desired.
PDF.co and CryptoPro integration alternatives
About PDF.co
Need to automate PDF tasks? Use PDF.co in Latenode to parse data, convert formats, and add signatures. Automate document processing workflows without code. Latenode’s visual editor and affordable pricing make it easy to build scalable solutions for invoices, reports, and more. Bypass manual work and centralize document automation.
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About CryptoPro
Integrate CryptoPro with Latenode to automate document signing and verification. Securely manage digital signatures within your workflows, eliminating manual steps. Validate document authenticity automatically as part of onboarding, compliance checks, or contract management. Use Latenode's visual editor to build scalable, audit-ready processes.
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FAQ PDF.co and CryptoPro
How can I connect my PDF.co account to CryptoPro using Latenode?
To connect your PDF.co account to CryptoPro on Latenode, follow these steps:
- Sign in to your Latenode account.
- Navigate to the integrations section.
- Select PDF.co and click on "Connect".
- Authenticate your PDF.co and CryptoPro accounts by providing the necessary permissions.
- Once connected, you can create workflows using both apps.
Can I automate PDF signing with CryptoPro certificates?
Yes, you can automate PDF signing. Latenode’s visual editor simplifies complex certificate handling, enabling efficient and compliant document workflows without extensive coding.
What types of tasks can I perform by integrating PDF.co with CryptoPro?
Integrating PDF.co with CryptoPro allows you to perform various tasks, including:
- Automatically signing generated PDF invoices using CryptoPro certificates.
- Encrypting sensitive PDF documents with digital signatures for secure storage.
- Validating the authenticity of digitally signed PDF documents.
- Creating workflows to archive digitally signed PDF reports.
- Automating secure PDF form submissions with digital signatures.
How does Latenode handle PDF.co API rate limits?
Latenode offers advanced queue management and error handling, ensuring reliable PDF.co operations even when dealing with API rate limits.
Are there any limitations to the PDF.co and CryptoPro integration on Latenode?
While the integration is powerful, there are certain limitations to be aware of:
- Complex CryptoPro configurations may require custom JavaScript code.
- Large PDF files may impact workflow execution speed.
- Integration is limited by the features exposed in the PDF.co API.