Adobe Acrobat Sign Webhook Validator and Data Extractor - n8n Workflow

Teams implementing automated document signing processes using Adobe Acrobat Sign.
Developers needing a secure method to validate webhook handshakes.
Users seeking advanced examples of webhook configuration and data extraction within an n8n workflow.
Anyone interested in leveraging n8n templates for core business process automation.

Integrating with Adobe Acrobat Sign requires a specific validation handshake for webhooks: the receiving endpoint must echo the unique client ID back in the response headers. This powerful n8n workflow is designed specifically to handle this requirement automatically. It ensures that when an agreement status changes (e.g., 'signed' or 'completed'), your n8n automation reliably receives and validates the incoming notification.

This core logic, built using several specific n8n nodes, secures the connection and provides clean, structured data immediately ready for subsequent processing, such as updating databases or sending notifications. This setup eliminates manual validation and ensures reliable processing of critical e-signature events using a tested n8n template.

This efficient n8n workflow initiates when an event occurs in Adobe Acrobat Sign.

1. Incoming Hook (n8n trigger): The process starts when Adobe Acrobat Sign sends an event notification to the POST webhook n8n trigger (or tests validation via the reg-GET trigger).


2. Header Extraction (Function n8n node): Immediately upon receiving the data, the Function n8n node executes custom code to capture the critical x-adobesign-clientid from the request headers. This ID is necessary for validation.


3. Validation Handshake (Respond to Webhook n8n node): The webhook-response n8n node uses the captured client ID to construct a response. By sending the x-adobesign-clientid back in the response header, the n8n workflow validates the endpoint with Adobe Sign, completing the mandatory integration step.


4. Data Structuring (Set n8n node): Following validation, the SetWebhookData n8n node extracts key information from the original payload. This includes the agreementID, a list of allparticipants, and the agreement_status, preparing the data for further steps in the n8n workflow.

To use this n8n template, follow these steps:

1. Import Workflow: Copy the provided JSON data and import it directly into your n8n instance.


2. Activate Webhook: Once imported, you must activate the workflow and obtain the production webhook URL for the POST n8n trigger node.


3. Configure Adobe Sign: Navigate to your Adobe Acrobat Sign application settings (usually under Webhooks or Integrations) and configure a new webhook endpoint using the URL obtained in step 2. The path used in this n8n workflow is test1.


4. Testing: Ensure Adobe Sign sends a test event (GET request) to validate the webhook n8n trigger. The successful response confirms the validation logic built into the Function and webhook-response n8n nodes is working correctly.

POST / reg-GET (Webhook n8n trigger): The primary n8n trigger points for the workflow, set to listen on the path test1 for both POST (real events) and GET (validation requests). They act as the initial receiving n8n node for Adobe Sign notifications.
Function (n8n node): This code n8n node specifically retrieves the x-adobesign-clientid from the incoming request headers. It is fundamental for performing the required Adobe Sign validation handshake.
webhook-response (Respond to Webhook n8n node): This vital n8n node is configured to send an immediate response back to Adobe Sign. It uses an expression to insert the captured clientID back into the response headers (x-adobesign-clientid), ensuring successful validation.
SetWebhookData (Set n8n node): This filtering and structuring n8n node captures important data from the validated webhook body. Key fields extracted include agreementID, allparticipants, and agreement_status, making the data usable for the remainder of the n8n workflow.