This workflow corresponds to n8n.io template #4270 — we link there as the canonical source.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"name": "getOpenAPI",
"description": null,
"active": true,
"isArchived": false,
"nodes": [
{
"parameters": {
"filters": {
"activeWorkflows": true
},
"requestOptions": {}
},
"id": "1f397969-aa2e-435b-b0e9-9ef66face5fc",
"name": "n8n",
"type": "n8n-nodes-base.n8n",
"position": [
592,
512
],
"typeVersion": 1,
"credentials": {
"n8nApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"jsCode": "function safe(x = \"\") {\n return String(x).replaceAll(\":\", \"\").replaceAll(\"/\", \"|\");\n}\n\n/**\n * YAML SERIALIZER (safe)\n */\nfunction toYAML(obj, indent = 0) {\n const spaces = \" \".repeat(indent);\n\n if (obj === null || obj === undefined) return \"\";\n if (typeof obj === \"string\") {\n if (obj.includes(\":\") || obj.includes(\"#\") || obj.includes(\"\\n\")) {\n return `\"${obj.replace(/\"/g, '\\\\\"')}\"`;\n }\n return obj;\n }\n if (typeof obj === \"number\" || typeof obj === \"boolean\") {\n return String(obj);\n }\n\n if (Array.isArray(obj)) {\n if (!obj.length) return \"[]\";\n return obj\n .map(item => `${spaces}- ${isPrimitive(item) ? toYAML(item, indent + 1) : \"\\n\" + toYAML(item, indent + 1)}`)\n .join(\"\\n\");\n }\n\n if (typeof obj === \"object\") {\n const entries = Object.entries(obj).filter(([_, v]) => v !== undefined);\n if (!entries.length) return \"{}\";\n\n return entries\n .map(([key, value]) => {\n if (isPrimitive(value)) {\n return `${spaces}${key}: ${toYAML(value, indent + 1)}`;\n }\n return `${spaces}${key}:\\n${toYAML(value, indent + 1)}`;\n })\n .join(\"\\n\");\n }\n\n return \"\";\n}\n\nfunction isPrimitive(val) {\n return (\n val === null ||\n typeof val === \"string\" ||\n typeof val === \"number\" ||\n typeof val === \"boolean\"\n );\n}\n\n/**\n * DFS \u2014 Safe traversal\n */\nfunction findValidTargets(connections = {}, sourceNode, potentialTargets = []) {\n if (!sourceNode) return [];\n\n const visited = new Set();\n const foundTargets = new Set();\n\n function dfs(node) {\n if (!node || visited.has(node)) return;\n visited.add(node);\n\n if (potentialTargets.includes(node)) {\n foundTargets.add(node);\n }\n\n const nodeConnections = connections[node]?.main || [];\n for (const path of nodeConnections) {\n for (const next of path || []) {\n dfs(next?.node);\n }\n }\n }\n\n dfs(sourceNode);\n return Array.from(foundTargets);\n}\n\n/**\n * Robust Annotation Parser\n */\nfunction parseAnnotations(notes) {\n if (!notes || typeof notes !== \"string\") {\n return emptyParseResult();\n }\n\n const lines = notes\n .split(\"\\n\")\n .map(l => l.trim())\n .filter(l => l.startsWith(\"@\"));\n\n const parameters = [];\n const responses = {};\n const requestBodySchema = {\n type: \"object\",\n properties: {},\n required: []\n };\n\n let hasExplicitResponse = false;\n\n function setNestedProperty(schema, pathParts, type, required) {\n if (!pathParts.length) return;\n\n let current = schema;\n\n for (let i = 0; i < pathParts.length; i++) {\n const part = pathParts[i];\n if (!part) return;\n\n if (!current.properties[part]) {\n current.properties[part] = { type: \"object\", properties: {}, required: [] };\n }\n\n if (i === pathParts.length - 1) {\n current.properties[part] = { type: type || \"string\" };\n if (required && !current.required.includes(part)) {\n current.required.push(part);\n }\n } else {\n current = current.properties[part];\n }\n }\n }\n\n for (const line of lines) {\n try {\n const parts = line.split(/\\s+/);\n const directive = parts[0];\n\n if (!directive) continue;\n\n /**\n * PARAMETERS\n */\n if ([\"@query\", \"@path\", \"@header\"].includes(directive)) {\n if (parts.length < 2) continue;\n\n const name = parts[1];\n const type = parts[2] || \"string\";\n const maybeRequired = parts[3];\n const description =\n parts.length > 3\n ? parts.slice(\n maybeRequired === \"required\" || maybeRequired === \"optional\" ? 4 : 3\n ).join(\" \")\n : \"No description\";\n\n let required = true; // legacy default\n\n if (maybeRequired === \"required\" || maybeRequired === \"optional\") {\n required = maybeRequired === \"required\";\n }\n\n if (directive === \"@path\") required = true;\n\n parameters.push({\n name,\n in: directive.replace(\"@\", \"\"),\n required,\n description: description || \"No description\",\n schema: { type }\n });\n }\n\n /**\n * BODY\n */\n if (directive === \"@body\") {\n if (parts.length < 2) continue;\n\n const name = parts[1];\n const type = parts[2] || \"string\";\n const maybeRequired = parts[3];\n\n const required = maybeRequired === \"optional\" ? false : true;\n\n const pathParts = name.split(\".\");\n setNestedProperty(requestBodySchema, pathParts, type, required);\n }\n\n /**\n * RESPONSE\n */\n if (directive === \"@response\") {\n if (parts.length < 2) continue;\n\n hasExplicitResponse = true;\n\n const code = parts[1] || \"200\";\n const contentType = parts[2] || \"application/json\";\n const description = parts.slice(3).join(\" \") || \"Response\";\n\n responses[code] = {\n description,\n content: contentType === \"redirect\"\n ? undefined\n : {\n [contentType]: {\n schema: { type: \"object\" }\n }\n }\n };\n }\n\n } catch (err) {\n // Ignore malformed lines silently\n continue;\n }\n }\n\n const hasBodyProps = Object.keys(requestBodySchema.properties).length > 0;\n\n return {\n parameters,\n requestBody: hasBodyProps\n ? {\n content: {\n \"application/json\": {\n schema: cleanSchema(requestBodySchema)\n }\n }\n }\n : undefined,\n responses,\n hasExplicitResponse\n };\n}\n\nfunction cleanSchema(schema) {\n if (!schema.required || !schema.required.length) {\n delete schema.required;\n }\n return schema;\n}\n\nfunction emptyParseResult() {\n return {\n parameters: [],\n requestBody: undefined,\n responses: {},\n hasExplicitResponse: false\n };\n}\n\n/**\n * Infer legacy response safely\n */\nfunction inferResponsesFromNodes(webhook) {\n let produces = \"application/json\";\n let code = \"200\";\n\n if (Array.isArray(webhook?.responses)) {\n for (const r of webhook.responses) {\n switch (r?.parameters?.respondWith) {\n case \"text\":\n produces = \"text/plain\";\n break;\n case \"redirect\":\n produces = \"text/plain\";\n code = \"301\";\n break;\n case \"json\":\n produces = \"application/json\";\n break;\n }\n }\n }\n\n return {\n [code]: {\n description: \"Successful response\",\n content: {\n [produces]: {\n schema: { type: \"object\" }\n }\n }\n }\n };\n}\n\n/**\n * BUILD OPENAPI DOCUMENT\n */\nconst openapi = {\n openapi: \"3.0.3\",\n info: {\n title: \"N8N Instance API\",\n version: \"1.0.0\",\n description: \"Auto-generated OpenAPI spec from n8n workflows\"\n },\n servers: [\n {\n url: `https://${$('Get Swagger').first().json?.headers?.host || \"n8n.instance.com\"}/webhook`\n }\n ],\n paths: {}\n};\n\nfor (const item of $input.all()) {\n const nodes = item.json?.nodes || [];\n const connections = item.json?.connections || {};\n\n const webhooks = nodes.filter(n => n?.type === \"n8n-nodes-base.webhook\");\n const responseNodes = nodes.filter(n => n?.type === \"n8n-nodes-base.respondToWebhook\");\n const targets = responseNodes.map(r => r.name);\n\n for (const w of webhooks) {\n try {\n if (w?.parameters?.responseMode === \"responseNode\") {\n const valid = findValidTargets(connections, w.name, targets);\n w.responses = responseNodes.filter(r => valid.includes(r.name));\n }\n\n const path = `/${w?.parameters?.path || \"\"}`;\n const method = (w?.parameters?.httpMethod || \"get\").toLowerCase();\n\n if (!openapi.paths[path]) openapi.paths[path] = {};\n\n const { parameters, requestBody, responses, hasExplicitResponse } =\n parseAnnotations(w?.notes);\n\n const finalResponses = hasExplicitResponse\n ? responses\n : inferResponsesFromNodes(w);\n\n openapi.paths[path][method] = {\n summary: safe(w?.name || \"Webhook\"),\n description: `Related to workflow [${item.json?.id || \"unknown\"}]`,\n tags: [safe(item.json?.name || \"Workflow\")],\n parameters: parameters.length ? parameters : undefined,\n requestBody,\n responses: Object.keys(finalResponses).length\n ? finalResponses\n : inferResponsesFromNodes(w)\n };\n } catch (err) {\n // Skip malformed webhook safely\n continue;\n }\n }\n}\n\nconst yamlOutput = toYAML(openapi);\n\nreturn {\n json: {\n yamlOutput\n }\n};"
},
"id": "37b03898-8b7b-4511-8a54-b6777118ea76",
"name": "Code",
"type": "n8n-nodes-base.code",
"position": [
816,
512
],
"typeVersion": 2
},
{
"parameters": {
"respondWith": "text",
"responseBody": "=<!DOCTYPE html>\n<html>\n<head>\n <title>Swagger UI from YAML Text</title>\n <link rel=\"stylesheet\" href=\"https://unpkg.com/swagger-ui-dist/swagger-ui.css\">\n</head>\n<body>\n <div id=\"swagger-ui\"></div>\n\n <script src=\"https://unpkg.com/swagger-ui-dist/swagger-ui-bundle.js\"></script>\n <script src=\"https://unpkg.com/js-yaml@4.1.0/dist/js-yaml.min.js\"></script>\n <script>\n // Your YAML as a string (replace this with your actual variable)\n const yamlText = `{{ $json.yamlOutput }}`;\n\n // Parse the YAML into a JavaScript object\n const spec = jsyaml.load(yamlText);\n\n // Initialize Swagger UI with the parsed spec\n const ui = SwaggerUIBundle({\n spec: spec,\n dom_id: \"#swagger-ui\"\n });\n </script>\n</body>\n</html>\n",
"options": {}
},
"id": "872dbe8f-a4e2-4828-98d5-73f06ae116ad",
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1040,
512
],
"typeVersion": 1.2
},
{
"parameters": {
"path": "swagger",
"responseMode": "responseNode",
"options": {}
},
"id": "7868c867-85c4-422d-a9f3-7424af49fd14",
"name": "Get Swagger",
"type": "n8n-nodes-base.webhook",
"position": [
368,
512
],
"typeVersion": 2,
"notes": "//@body field_name string description"
},
{
"parameters": {
"content": "## Configure webhooks\n\n### WebhookDocs: generate swagger preview of your active workflows\n\nIn order to support parameter labels you have to open the note sections of every webhook and add the following text\n\n//@body field_name string description\n//@query field_name string description\n\nAdapted from https://n8n.io/workflows/4270-webhookdocs-generate-swagger-preview-of-your-active-workflows/\n",
"height": 244,
"width": 480
},
"id": "30aa0403-c828-48eb-862b-4b258249c1e1",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
592,
208
],
"typeVersion": 1
}
],
"connections": {
"n8n": {
"main": [
[
{
"node": "Code",
"type": "main",
"index": 0
}
]
]
},
"Code": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
},
"Get Swagger": {
"main": [
[
{
"node": "n8n",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1",
"binaryMode": "separate",
"availableInMCP": false
},
"staticData": null,
"meta": {
"templateId": "4270",
"templateCredsSetupCompleted": true
},
"versionId": "01ce8d13-8949-4854-b8e8-7b8e0340d47b",
"activeVersionId": "01ce8d13-8949-4854-b8e8-7b8e0340d47b",
"versionCounter": 112,
"triggerCount": 1,
"shared": [
{
"updatedAt": "2026-03-06T22:19:19.113Z",
"createdAt": "2026-03-06T22:19:19.113Z",
"role": "workflow:owner",
"workflowId": "NsXpM2VX76Okkh43",
"projectId": "rbmFyQ0fPfUjlaVB",
"project": {
"updatedAt": "2025-10-28T16:01:24.976Z",
"createdAt": "2025-10-28T15:59:42.193Z",
"id": "rbmFyQ0fPfUjlaVB",
"name": "sean keery <sean.keery@rmscorp.com>",
"type": "personal",
"icon": null,
"description": null,
"creatorId": "0bf0b226-8ea5-4163-8cc1-8ca9663cae74"
}
}
],
"tags": [],
"activeVersion": {
"updatedAt": "2026-03-16T19:02:54.326Z",
"createdAt": "2026-03-16T19:02:42.909Z",
"versionId": "01ce8d13-8949-4854-b8e8-7b8e0340d47b",
"workflowId": "NsXpM2VX76Okkh43",
"nodes": [
{
"parameters": {
"filters": {
"activeWorkflows": true
},
"requestOptions": {}
},
"id": "1f397969-aa2e-435b-b0e9-9ef66face5fc",
"name": "n8n",
"type": "n8n-nodes-base.n8n",
"position": [
592,
512
],
"typeVersion": 1,
"credentials": {
"n8nApi": {
"id": "Hmm3fIMtxCqRshgA",
"name": "Azure n8n dev account"
}
}
},
{
"parameters": {
"jsCode": "function safe(x = \"\") {\n return String(x).replaceAll(\":\", \"\").replaceAll(\"/\", \"|\");\n}\n\n/**\n * YAML SERIALIZER (safe)\n */\nfunction toYAML(obj, indent = 0) {\n const spaces = \" \".repeat(indent);\n\n if (obj === null || obj === undefined) return \"\";\n if (typeof obj === \"string\") {\n if (obj.includes(\":\") || obj.includes(\"#\") || obj.includes(\"\\n\")) {\n return `\"${obj.replace(/\"/g, '\\\\\"')}\"`;\n }\n return obj;\n }\n if (typeof obj === \"number\" || typeof obj === \"boolean\") {\n return String(obj);\n }\n\n if (Array.isArray(obj)) {\n if (!obj.length) return \"[]\";\n return obj\n .map(item => `${spaces}- ${isPrimitive(item) ? toYAML(item, indent + 1) : \"\\n\" + toYAML(item, indent + 1)}`)\n .join(\"\\n\");\n }\n\n if (typeof obj === \"object\") {\n const entries = Object.entries(obj).filter(([_, v]) => v !== undefined);\n if (!entries.length) return \"{}\";\n\n return entries\n .map(([key, value]) => {\n if (isPrimitive(value)) {\n return `${spaces}${key}: ${toYAML(value, indent + 1)}`;\n }\n return `${spaces}${key}:\\n${toYAML(value, indent + 1)}`;\n })\n .join(\"\\n\");\n }\n\n return \"\";\n}\n\nfunction isPrimitive(val) {\n return (\n val === null ||\n typeof val === \"string\" ||\n typeof val === \"number\" ||\n typeof val === \"boolean\"\n );\n}\n\n/**\n * DFS \u2014 Safe traversal\n */\nfunction findValidTargets(connections = {}, sourceNode, potentialTargets = []) {\n if (!sourceNode) return [];\n\n const visited = new Set();\n const foundTargets = new Set();\n\n function dfs(node) {\n if (!node || visited.has(node)) return;\n visited.add(node);\n\n if (potentialTargets.includes(node)) {\n foundTargets.add(node);\n }\n\n const nodeConnections = connections[node]?.main || [];\n for (const path of nodeConnections) {\n for (const next of path || []) {\n dfs(next?.node);\n }\n }\n }\n\n dfs(sourceNode);\n return Array.from(foundTargets);\n}\n\n/**\n * Robust Annotation Parser\n */\nfunction parseAnnotations(notes) {\n if (!notes || typeof notes !== \"string\") {\n return emptyParseResult();\n }\n\n const lines = notes\n .split(\"\\n\")\n .map(l => l.trim())\n .filter(l => l.startsWith(\"@\"));\n\n const parameters = [];\n const responses = {};\n const requestBodySchema = {\n type: \"object\",\n properties: {},\n required: []\n };\n\n let hasExplicitResponse = false;\n\n function setNestedProperty(schema, pathParts, type, required) {\n if (!pathParts.length) return;\n\n let current = schema;\n\n for (let i = 0; i < pathParts.length; i++) {\n const part = pathParts[i];\n if (!part) return;\n\n if (!current.properties[part]) {\n current.properties[part] = { type: \"object\", properties: {}, required: [] };\n }\n\n if (i === pathParts.length - 1) {\n current.properties[part] = { type: type || \"string\" };\n if (required && !current.required.includes(part)) {\n current.required.push(part);\n }\n } else {\n current = current.properties[part];\n }\n }\n }\n\n for (const line of lines) {\n try {\n const parts = line.split(/\\s+/);\n const directive = parts[0];\n\n if (!directive) continue;\n\n /**\n * PARAMETERS\n */\n if ([\"@query\", \"@path\", \"@header\"].includes(directive)) {\n if (parts.length < 2) continue;\n\n const name = parts[1];\n const type = parts[2] || \"string\";\n const maybeRequired = parts[3];\n const description =\n parts.length > 3\n ? parts.slice(\n maybeRequired === \"required\" || maybeRequired === \"optional\" ? 4 : 3\n ).join(\" \")\n : \"No description\";\n\n let required = true; // legacy default\n\n if (maybeRequired === \"required\" || maybeRequired === \"optional\") {\n required = maybeRequired === \"required\";\n }\n\n if (directive === \"@path\") required = true;\n\n parameters.push({\n name,\n in: directive.replace(\"@\", \"\"),\n required,\n description: description || \"No description\",\n schema: { type }\n });\n }\n\n /**\n * BODY\n */\n if (directive === \"@body\") {\n if (parts.length < 2) continue;\n\n const name = parts[1];\n const type = parts[2] || \"string\";\n const maybeRequired = parts[3];\n\n const required = maybeRequired === \"optional\" ? false : true;\n\n const pathParts = name.split(\".\");\n setNestedProperty(requestBodySchema, pathParts, type, required);\n }\n\n /**\n * RESPONSE\n */\n if (directive === \"@response\") {\n if (parts.length < 2) continue;\n\n hasExplicitResponse = true;\n\n const code = parts[1] || \"200\";\n const contentType = parts[2] || \"application/json\";\n const description = parts.slice(3).join(\" \") || \"Response\";\n\n responses[code] = {\n description,\n content: contentType === \"redirect\"\n ? undefined\n : {\n [contentType]: {\n schema: { type: \"object\" }\n }\n }\n };\n }\n\n } catch (err) {\n // Ignore malformed lines silently\n continue;\n }\n }\n\n const hasBodyProps = Object.keys(requestBodySchema.properties).length > 0;\n\n return {\n parameters,\n requestBody: hasBodyProps\n ? {\n content: {\n \"application/json\": {\n schema: cleanSchema(requestBodySchema)\n }\n }\n }\n : undefined,\n responses,\n hasExplicitResponse\n };\n}\n\nfunction cleanSchema(schema) {\n if (!schema.required || !schema.required.length) {\n delete schema.required;\n }\n return schema;\n}\n\nfunction emptyParseResult() {\n return {\n parameters: [],\n requestBody: undefined,\n responses: {},\n hasExplicitResponse: false\n };\n}\n\n/**\n * Infer legacy response safely\n */\nfunction inferResponsesFromNodes(webhook) {\n let produces = \"application/json\";\n let code = \"200\";\n\n if (Array.isArray(webhook?.responses)) {\n for (const r of webhook.responses) {\n switch (r?.parameters?.respondWith) {\n case \"text\":\n produces = \"text/plain\";\n break;\n case \"redirect\":\n produces = \"text/plain\";\n code = \"301\";\n break;\n case \"json\":\n produces = \"application/json\";\n break;\n }\n }\n }\n\n return {\n [code]: {\n description: \"Successful response\",\n content: {\n [produces]: {\n schema: { type: \"object\" }\n }\n }\n }\n };\n}\n\n/**\n * BUILD OPENAPI DOCUMENT\n */\nconst openapi = {\n openapi: \"3.0.3\",\n info: {\n title: \"N8N Instance API\",\n version: \"1.0.0\",\n description: \"Auto-generated OpenAPI spec from n8n workflows\"\n },\n servers: [\n {\n url: `https://${$('Get Swagger').first().json?.headers?.host || \"n8n.instance.com\"}/webhook`\n }\n ],\n paths: {}\n};\n\nfor (const item of $input.all()) {\n const nodes = item.json?.nodes || [];\n const connections = item.json?.connections || {};\n\n const webhooks = nodes.filter(n => n?.type === \"n8n-nodes-base.webhook\");\n const responseNodes = nodes.filter(n => n?.type === \"n8n-nodes-base.respondToWebhook\");\n const targets = responseNodes.map(r => r.name);\n\n for (const w of webhooks) {\n try {\n if (w?.parameters?.responseMode === \"responseNode\") {\n const valid = findValidTargets(connections, w.name, targets);\n w.responses = responseNodes.filter(r => valid.includes(r.name));\n }\n\n const path = `/${w?.parameters?.path || \"\"}`;\n const method = (w?.parameters?.httpMethod || \"get\").toLowerCase();\n\n if (!openapi.paths[path]) openapi.paths[path] = {};\n\n const { parameters, requestBody, responses, hasExplicitResponse } =\n parseAnnotations(w?.notes);\n\n const finalResponses = hasExplicitResponse\n ? responses\n : inferResponsesFromNodes(w);\n\n openapi.paths[path][method] = {\n summary: safe(w?.name || \"Webhook\"),\n description: `Related to workflow [${item.json?.id || \"unknown\"}]`,\n tags: [safe(item.json?.name || \"Workflow\")],\n parameters: parameters.length ? parameters : undefined,\n requestBody,\n responses: Object.keys(finalResponses).length\n ? finalResponses\n : inferResponsesFromNodes(w)\n };\n } catch (err) {\n // Skip malformed webhook safely\n continue;\n }\n }\n}\n\nconst yamlOutput = toYAML(openapi);\n\nreturn {\n json: {\n yamlOutput\n }\n};"
},
"id": "37b03898-8b7b-4511-8a54-b6777118ea76",
"name": "Code",
"type": "n8n-nodes-base.code",
"position": [
816,
512
],
"typeVersion": 2
},
{
"parameters": {
"respondWith": "text",
"responseBody": "=<!DOCTYPE html>\n<html>\n<head>\n <title>Swagger UI from YAML Text</title>\n <link rel=\"stylesheet\" href=\"https://unpkg.com/swagger-ui-dist/swagger-ui.css\">\n</head>\n<body>\n <div id=\"swagger-ui\"></div>\n\n <script src=\"https://unpkg.com/swagger-ui-dist/swagger-ui-bundle.js\"></script>\n <script src=\"https://unpkg.com/js-yaml@4.1.0/dist/js-yaml.min.js\"></script>\n <script>\n // Your YAML as a string (replace this with your actual variable)\n const yamlText = `{{ $json.yamlOutput }}`;\n\n // Parse the YAML into a JavaScript object\n const spec = jsyaml.load(yamlText);\n\n // Initialize Swagger UI with the parsed spec\n const ui = SwaggerUIBundle({\n spec: spec,\n dom_id: \"#swagger-ui\"\n });\n </script>\n</body>\n</html>\n",
"options": {}
},
"id": "872dbe8f-a4e2-4828-98d5-73f06ae116ad",
"name": "Respond to Webhook",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
1040,
512
],
"typeVersion": 1.2
},
{
"parameters": {
"path": "swagger",
"responseMode": "responseNode",
"options": {}
},
"id": "7868c867-85c4-422d-a9f3-7424af49fd14",
"name": "Get Swagger",
"type": "n8n-nodes-base.webhook",
"position": [
368,
512
],
"webhookId": "b6873bae-3e61-4a93-9dc2-0100b497390e",
"typeVersion": 2,
"notes": "//@body field_name string description"
},
{
"parameters": {
"content": "## Configure webhooks\n\n### WebhookDocs: generate swagger preview of your active workflows\n\nIn order to support parameter labels you have to open the note sections of every webhook and add the following text\n\n//@body field_name string description\n//@query field_name string description\n\nAdapted from https://n8n.io/workflows/4270-webhookdocs-generate-swagger-preview-of-your-active-workflows/\n",
"height": 244,
"width": 480
},
"id": "30aa0403-c828-48eb-862b-4b258249c1e1",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
592,
208
],
"typeVersion": 1
}
],
"connections": {
"n8n": {
"main": [
[
{
"node": "Code",
"type": "main",
"index": 0
}
]
]
},
"Code": {
"main": [
[
{
"node": "Respond to Webhook",
"type": "main",
"index": 0
}
]
]
},
"Get Swagger": {
"main": [
[
{
"node": "n8n",
"type": "main",
"index": 0
}
]
]
}
},
"authors": "sean keery",
"name": "Version 01ce8d13",
"description": "",
"autosaved": false,
"workflowPublishHistory": [
{
"createdAt": "2026-03-16T19:02:54.320Z",
"id": 142,
"workflowId": "NsXpM2VX76Okkh43",
"versionId": "01ce8d13-8949-4854-b8e8-7b8e0340d47b",
"event": "activated",
"userId": "0bf0b226-8ea5-4163-8cc1-8ca9663cae74"
}
]
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
n8nApi
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About this workflow
getOpenAPI. Uses n8n. Webhook trigger; 5 nodes.
Source: https://github.com/skibum55/workflowsascode/blob/d156f5abccb105bd30fb8f53d6d5dbf536c3a8de/workflows/getopenapi.json — original creator credit. Request a take-down →
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