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n8n e-signature integration

You can use docuinked in n8n today in two ways: the HTTP Request node for fixed workflows, and the MCP Client Tool for AI agents. A verified community node is coming soon.

What works today

RouteStatus
HTTP Request nodeWorks now, on n8n Cloud and self-hosted
MCP Client ToolWorks now. Connect it with a Bearer credential
Webhook node as a triggerWorks now
docuinked community nodeComing soon

Recipe: send a contract when a row is approved

Add an HTTP Request node after your trigger.

  • Method: POST
  • URL: https://docuinked.com/v1/documents
  • Authentication: Generic, Header Auth, with Authorization set to Bearer di_test_...
  • Header: Idempotency-Key set to an expression such as contract-{{ $json.id }}
  • Body: JSON
{"title": "Services agreement",
 "pdf_url": "https://example.com/contract.pdf",
 "signers": [{"name": "Dana Reed", "email": "dana@example.com"}],
 "send": true}

Recipe: an AI Agent that prepares drafts

Add the MCP Client Tool to your AI Agent node. Set the endpoint to https://docuinked.com/mcp, and use Bearer auth with your key. The agent can then create drafts and read status. On a live key it can only ask to send. A person approves from the approval_url, so n8n needs no approval step of its own.

Hear back when it is signed

Add a Webhook node and copy its production URL. Register it with create_webhook. Then check the signature in a Code node before you act on it. The webhooks page has the code. Some n8n setups limit built-in modules in Code nodes, so check that crypto is allowed.

Common questions

Is there a docuinked node in the n8n nodes panel?

Not yet. A verified node is coming soon. The HTTP Request node and MCP Client Tool do the same work today.

Will my n8n agent be able to send without a person?

Not over MCP. Every MCP caller counts as an agent, so a live send stops at approval. That covers the case where an agent runs on a schedule and no one is watching.

What happens if n8n retries a failed node?

Set the Idempotency-Key from a stable value in the item. A retry with the same key returns the first result, so the contract goes out once.

Related

Try it in test mode

Free during the beta. Test keys send no email, so you can build the whole flow first.

Get an API keyRead the quickstart