Operate n8n via its public REST API from OpenClaw. Use for workflow management, executions, and automation tasks such as listing, creating, publishing, triggering, or troubleshooting. Works with both
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Use this skill when you need to drive n8n programmatically. It covers the same core actions you use in the UI: workflows, executions, tags, credentials, projects, and more.
Recommended environment variables (or store in
.n8n-api-configexport N8N_API_BASE_URL="https://your-instance.app.n8n.cloud/api/v1" # or http://localhost:5678/api/v1 export N8N_API_KEY="your-api-key-here"
Create the API key in: n8n Settings → n8n API → Create an API key.
All requests require this header:
X-N8N-API-KEY: $N8N_API_KEY
The API playground is only available on self-hosted n8n and operates on real data. For safe experiments, use a test workflow or a separate test instance.
curl -s -H "X-N8N-API-KEY: $N8N_API_KEY" "$N8N_API_BASE_URL/workflows" \ | jq '.data[] | {id, name, active}'
curl -s -H "X-N8N-API-KEY: $N8N_API_KEY" "$N8N_API_BASE_URL/workflows/{id}"
# Activate (publish) curl -s -X POST -H "X-N8N-API-KEY: $N8N_API_KEY" \ -H "Content-Type: application/json" \ -d '{"versionId":"","name":"","description":""}' \ "$N8N_API_BASE_URL/workflows/{id}/activate"Deactivate
curl -s -X POST -H "X-N8N-API-KEY: $N8N_API_KEY"
"$N8N_API_BASE_URL/workflows/{id}/deactivate"
# Production webhook curl -s -X POST "$N8N_API_BASE_URL/../webhook/{webhook-path}" \ -H "Content-Type: application/json" \ -d '{"key":"value"}'Test webhook
curl -s -X POST "$N8N_API_BASE_URL/../webhook-test/{webhook-path}"
-H "Content-Type: application/json"
-d '{"key":"value"}'
# Recent executions curl -s -H "X-N8N-API-KEY: $N8N_API_KEY" \ "$N8N_API_BASE_URL/executions?limit=10" \ | jq '.data[] | {id, workflowId, status, startedAt}'Failed only
curl -s -H "X-N8N-API-KEY: $N8N_API_KEY"
"$N8N_API_BASE_URL/executions?status=error&limit=5"
curl -s -X POST -H "X-N8N-API-KEY: $N8N_API_KEY" \ -H "Content-Type: application/json" \ -d '{"loadWorkflow":true}' \ "$N8N_API_BASE_URL/executions/{id}/retry"
Count active workflows and recent failures:
ACTIVE=$(curl -s -H "X-N8N-API-KEY: $N8N_API_KEY" \ "$N8N_API_BASE_URL/workflows?active=true" | jq '.data | length')FAILED=$(curl -s -H "X-N8N-API-KEY: $N8N_API_KEY"
"$N8N_API_BASE_URL/executions?status=error&limit=100"
| jq '[.data[] | select(.startedAt > (now - 86400 | todate))] | length')echo "Active workflows: $ACTIVE | Failed (24h): $FAILED"
See
assets/n8n-api.endpoints.mdIf you want a refresher, these are commonly recommended:
No automatic installation available. Please visit the source repository for installation instructions.
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