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 →
{
"id": "Tygtx1aZi9pLdtUo",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Fully automated Video Captions generation with json2video",
"tags": [],
"nodes": [
{
"id": "38e862a1-dc25-4a41-b0e1-5ebba1032e0a",
"name": "When clicking \u2018Test workflow\u2019",
"type": "n8n-nodes-base.manualTrigger",
"position": [
-980,
-280
],
"parameters": {},
"typeVersion": 1
},
{
"id": "834ac32d-4bef-4087-87af-590cd200a858",
"name": "json2video - Add Captions",
"type": "n8n-nodes-base.httpRequest",
"position": [
-540,
-280
],
"parameters": {
"url": "https://api.json2video.com/v2/movies",
"method": "POST",
"options": {},
"jsonBody": "={\n \"id\": \"qbaasr7s\",\n \"resolution\": \"custom\",\n \"quality\": \"high\",\n\"scenes\": [\n {\n \"id\": \"qyjh9lwj\",\n \"comment\": \"Scene 1\",\n \"elements\": []\n }\n ],\n \"elements\": [\n {\n \"id\": \"q6dznzcv\",\n \"type\": \"video\",\n \"src\": \"{{ $json.video_url }}\"\n },\n {\n \"id\": \"q41n9kxp\",\n \"type\": \"subtitles\",\n \"settings\": {\n \"style\": \"classic-progressive\",\n \"font-family\": \"Oswald\",\n \"font-size\": 140,\n \"word-color\": \"#FCF5C9\",\n \"shadow-color\": \"#260B1B\",\n \"line-color\": \"#F1E7F4\",\n \"shadow-offset\": 2,\n \"box-color\": \"#260B1B\"\n },\n \"language\": \"en\"\n }\n ],\n \"width\": {{ $json.width }},\n \"height\": {{ $json.height }}\n}",
"sendBody": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpCustomAuth"
},
"credentials": {
"httpCustomAuth": {
"name": "<your credential>"
},
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
},
{
"id": "93e98e02-a7e5-40d2-93a8-06c1ba3c4fb5",
"name": "Config",
"type": "n8n-nodes-base.set",
"position": [
-780,
-280
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "408b70d1-30ea-4f88-847d-97c59e467168",
"name": "video_url",
"type": "string",
"value": "https://aiatelier.s3.eu-west-1.amazonaws.com/workflows-material/json2video/captions-sample.mp4"
},
{
"id": "e54d0b14-3261-4d8c-83ac-b63a37981257",
"name": "width",
"type": "string",
"value": "1080"
},
{
"id": "70a87f6b-8cf1-48b0-96bf-b7a8aa5bc6da",
"name": "height",
"type": "string",
"value": "1920"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "d3b6d3f3-d3ca-455d-929c-ffb869bd23d8",
"name": "Wait",
"type": "n8n-nodes-base.wait",
"position": [
-180,
-220
],
"parameters": {
"amount": 10
},
"typeVersion": 1.1
},
{
"id": "07099d4c-6012-4447-8720-af8e75521e24",
"name": "Is Error",
"type": "n8n-nodes-base.if",
"position": [
180,
-240
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "a9813eb6-0dbf-41ac-837f-8f2760cbc5e3",
"operator": {
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.movie.status }}",
"rightValue": "error"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "a94a6b24-4674-42ac-8db4-6e9298b44b7d",
"name": "Handle Error",
"type": "n8n-nodes-base.noOp",
"position": [
420,
-380
],
"parameters": {},
"typeVersion": 1
},
{
"id": "cd6bba4e-b329-4476-b983-248bb8e4423a",
"name": "Output",
"type": "n8n-nodes-base.set",
"position": [
460,
20
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "c7ce3d37-6455-407a-bf57-286d91c16f97",
"name": "url",
"type": "string",
"value": "={{ $json.movie.url }}"
},
{
"id": "e969f3bd-2c36-43f6-9fc3-a66a0424ec20",
"name": "duration",
"type": "number",
"value": "={{ $json.movie.duration }}"
},
{
"id": "a5f9b903-40c0-432e-b030-5a1fdea844db",
"name": "size",
"type": "number",
"value": "={{ $json.movie.size }}"
},
{
"id": "660565f1-8da7-4c2f-a5e0-b62130aef7cb",
"name": "width",
"type": "number",
"value": "={{ $json.movie.width }}"
},
{
"id": "5e2a9144-45e5-40f2-b71e-d74b25890ab6",
"name": "height",
"type": "number",
"value": "={{ $json.movie.height }}"
},
{
"id": "601f8514-61f5-4cea-9b64-373881e3c879",
"name": "rendering_time",
"type": "number",
"value": "={{ $json.movie.rendering_time }}"
},
{
"id": "2b7812f9-1e44-4843-b2ca-051b54153051",
"name": "project",
"type": "string",
"value": "={{ $json.movie.project }}"
},
{
"id": "1b562ac3-e62b-4d67-adab-2af0d15fd11e",
"name": "remaining_quota",
"type": "number",
"value": "={{ $json.remaining_quota.time }}"
}
]
}
},
"typeVersion": 3.4
},
{
"id": "378e027a-b033-4490-93e6-666d3d7def86",
"name": "json2video - Get Status",
"type": "n8n-nodes-base.httpRequest",
"position": [
0,
-180
],
"parameters": {
"url": "=https://api.json2video.com/v2/movies?id={{ $('json2video - Add Captions').first().json.project }}",
"options": {},
"authentication": "genericCredentialType",
"genericAuthType": "httpCustomAuth"
},
"credentials": {
"httpCustomAuth": {
"name": "<your credential>"
},
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4.2
},
{
"id": "a818a3a6-4cef-4043-ac3e-96fa3f54373d",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-260,
-300
],
"parameters": {
"color": 7,
"width": 640,
"height": 580,
"content": "## Check video status"
},
"typeVersion": 1
},
{
"id": "7258a9ec-591f-4b07-840c-3171c36f193e",
"name": "is Completed",
"type": "n8n-nodes-base.if",
"position": [
200,
40
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "2643b070-cbb2-4562-9269-a61389e0c242",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "={{ $json.movie.status }}",
"rightValue": "done"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "cbce69e0-730c-46ea-bd0a-b8694bd7780d",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1700,
-480
],
"parameters": {
"width": 640,
"height": 820,
"content": "# Automatically Generate Captions for Your Videos with json2video\n\nThis workflow automatically adds captions to your videos using [json2video](https://json2video.com/?afco=manu), a powerful service for video automation, that integrates seamlessly with n8n.\n\n# [\ud83d\udc49\ud83c\udffb Try json2video for free \ud83d\udc48\ud83c\udffb](https://json2video.com/?afco=manu)\n\n## Setup\n\n### Step 1: Create a json2video Account & API Key\n1. Sign up for a [json2video account](https://json2video.com/?afco=manu).\n2. Once registered, you will receive your API key via email.\n\n### Step 2: Create n8n Credentials\n1. In n8n, create new credentials and select **\"Custom Auth\"** as the type.\n2. Paste the following JSON code into the credentials configuration, replacing `\"your-json2video-api-key\"` with your actual API key:\n\n ```json\n {\n \"headers\": {\n \"x-api-key\": \"your-json2video-api-key\"\n }\n }\n ```\n\n### Step 3: Connect Your Credentials\n1. In your n8n workflow, locate the two HTTP nodes that interact with json2video.\n2. Select the credentials you created in Step 2 for both nodes.\n"
},
"typeVersion": 1
},
{
"id": "4ce3a85f-3abc-48e9-8840-f37f32490b62",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-760,
-120
],
"parameters": {
"width": 440,
"height": 200,
"content": "# \u261d\ufe0f Provide Video Details\n\nFor the workflow to add captions, please provide:\n\n- **URL:** The link to your video.\n- **Width & Height:** The dimensions of your video"
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "5d8108e2-3f44-4585-9c25-f31f95f06424",
"connections": {
"Wait": {
"main": [
[
{
"node": "json2video - Get Status",
"type": "main",
"index": 0
}
]
]
},
"Config": {
"main": [
[
{
"node": "json2video - Add Captions",
"type": "main",
"index": 0
}
]
]
},
"Is Error": {
"main": [
[
{
"node": "Handle Error",
"type": "main",
"index": 0
}
],
[
{
"node": "is Completed",
"type": "main",
"index": 0
}
]
]
},
"is Completed": {
"main": [
[
{
"node": "Output",
"type": "main",
"index": 0
}
],
[
{
"node": "Wait",
"type": "main",
"index": 0
}
]
]
},
"json2video - Get Status": {
"main": [
[
{
"node": "Is Error",
"type": "main",
"index": 0
}
]
]
},
"json2video - Add Captions": {
"main": [
[
{
"node": "Wait",
"type": "main",
"index": 0
}
]
]
},
"When clicking \u2018Test workflow\u2019": {
"main": [
[
{
"node": "Config",
"type": "main",
"index": 0
}
]
]
}
}
}
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.
httpCustomAuthhttpHeaderAuth
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How this works
Generate professional captions for your videos effortlessly, saving hours of manual editing and ensuring accessibility for wider audiences. This workflow automates the entire process using json2video's API, ideal for content creators, marketers, or educators who produce regular video content without technical expertise. The key step involves sending your video details via HTTP request to json2video, which processes and overlays captions before delivering the final file.
Use this workflow when you need quick, consistent captioning for social media clips or tutorials, especially if you're handling high volumes of short videos. Avoid it for complex multilingual needs or real-time live streams, where custom scripting might be required. Common variations include adding a webhook trigger for batch processing from cloud storage like Google Drive, or integrating error notifications via email for smoother production lines.
About this workflow
Fully automated Video Captions generation with json2video. Uses manualTrigger, httpRequest, noOp, stickyNote. Event-driven trigger; 12 nodes.
Source: https://github.com/Zie619/n8n-workflows — original creator credit. Request a take-down →
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