Automatically Generate Burn-in Video Captions with json2video

Automatically Add Captions to Your Video Who Is This For? This workflow is ideal for content creators, marketers, educators, and businesses that regularly produce video content and want to enhance accessibility and viewer engagement by effortlessly adding subtitles. What Problem Does This Workflow Solve? Manually adding subtitles or captions to videos can be tedious and time-consuming. Accurate captions significantly boost viewer retention, accessibility, and SEO rankings. What Does This Workflow Do? This automated workflow quickly adds accurate subtitles to your video content by leveraging the Json2Video API. It accepts a publicly accessible video URL as input. It makes an HTTP request to J

Help me set up the n8n workflow "Automatically Generate Burn-in Video Captions with json2video" (https://n8n.io/workflows/3044). It uses: HTTP Request. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.