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41 lines
979 B
Markdown
41 lines
979 B
Markdown
---
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description: Authentication for n8n's public REST API.
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contentType: howto
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---
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# API authentication
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n8n uses API keys to authenticate API calls.
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## Create an API key
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1. Log in to n8n.
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2. Go to **Settings** > **API**.
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3. Select **Create an API key**.
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## Delete an API key
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1. Log in to n8n.
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2. Go to **Settings** > **API**.
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3. Select **Delete** next to the key you want to delete.
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## Call the API using your key
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Send the API key in your API call as a header named `X-N8N-API-KEY`.
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For example, say you want to get all active workflows. Your curl request will look like this:
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```shell
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# For a self-hosted n8n instance
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curl -X 'GET' \
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'<N8N_HOST>:<N8N_PORT>/<N8N_PATH>/api/v<version-number>/workflows?active=true' \
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-H 'accept: application/json' \
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-H 'X-N8N-API-KEY: <your-api-key>'
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# For n8n Cloud
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curl -X 'GET' \
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'<your-cloud-instance>/api/v<version-number>/workflows?active=true' \
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-H 'accept: application/json' \
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-H 'X-N8N-API-KEY: <your-api-key>'
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```
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