Watermark Videos
Add image or text watermarks with precise position, scale, and opacity control. Supports batch processing for multiple videos.
watermark.add
Now in beta — 5 free credits every month
Serverless Media
Processing API
Watermark, transcode, caption, render — one API call. Credit-based billing. MCP-native.
Terminal
$ curl -X POST https://api.rendobar.com/jobs \
-H "Authorization: Bearer rb_..." \
-H "Content-Type: application/json" \
-d '{
"type": "watermark.add",
"inputs": { "source": "https://example.com/video.mp4" },
"params": { "position": "bottom-right", "opacity": 0.8 }
}'
# Response:
{ "data": { "jobId": "job_a1b2c3", "status": "dispatched" } }Everything you need for video processing
23 job types covering watermarking, transcoding, AI-powered captions, GDPR compliance, rendering, and QR code generation. All accessible through a single REST API.
Transcode & Convert
Convert between formats, adjust codecs, bitrate, and resolution. H.264, H.265, VP9, and more.
transcode Generate Thumbnails
Extract thumbnails from any timestamp. Automatic scene detection picks the best frame.
thumbnail Extract Captions (AI)
AI-powered speech-to-text transcription with multi-language support. Get SRT, VTT, or JSON output.
caption.extract Burn Captions (AI)
Burn subtitles directly into video with customizable fonts, colors, and positioning.
caption.burn Raw FFmpeg Commands
Full FFmpeg power with safety guardrails. Whitelisted flags, sandboxed execution, and input validation.
raw.ffmpeg Simple API, powerful results
Submit a job, poll for status, download the output. Three steps to process any video.
1
Submit a job
POST your video URL and parameters to the jobs endpoint.
POST /jobs
{
"type": "caption.extract",
"inputs": {
"source": "https://..."
}
}2
Check status
Poll the job endpoint or use webhooks and SSE for real-time updates.
GET /jobs/job_a1b2c3
{
"data": {
"status": "complete",
"price": 3000000000
}
}3
Download output
Get the result with a presigned URL. Outputs are stored on R2.
GET /jobs/job_a1b2c3/result
{
"data": {
"url": "https://r2...",
"meta": { "format": "srt" }
}
}Simple, credit-based pricing
Start free with $5 of usage every month. Scale up as you grow. No hidden fees, no per-seat charges.
Free
$0/mo
$5 included/month
Starter
$19/mo
$100 included/month
Pro
$49/mo
$500 included/month
Scale
$149/mo
$2,000 included/month
Free tools, no account needed
Try Rendobar's processing power directly in your browser. No signup, no credit card.
Ready to process your first video?
Create a free account, get $5 of free usage, and submit your first job in under 5 minutes.