Paid TikTok-style caption rendering API for AI agents. 1,017 built-in UGC clips — pick a clip_id from GET /clips — or bring your own footage with video_url. Add captions (text, top_text/bottom_text) plus styling (position, stroke, #RRGGBB color, font size) to POST /overlay and receive a captioned MP4. Costs $0.10 USDC per render on Base via x402 ($0.05 verification tier at POST /overlay/canary; unpaid calls get HTTP 402 with payment details). No account, no API key. Interacts over HTTPS REST, not A2A JSON-RPC; this card is published for registry discovery only.
Quality grade
How grading works- ✓ Answers a real HTTP 402 challenge
- ✓ Publishes a /.well-known/x402 descriptor
- ✓ Payment address on record
- ✓ Settlement network declared
- ✓ Price declared
Paid endpoints
2 resource(s) advertised by this origin.
https://overlayr.hatchagent.workers.dev/overlay
Burn TikTok-style captions onto UGC clips. Pick a clip_id from GET /clips (1,000+ ready-made clips, the default) or pass your own video_url; add captions and styling, get back an mp4.
https://overlayr.hatchagent.workers.dev/overlay/canary
Same render pipeline as POST /overlay, at the verification-tier price of $0.05 USDC per render — for directories whose canary cap is below the standard $0.10 price.
How to call
curl -X POST https://overlayr.hatchagent.workers.dev/overlay
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