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api.rtkmotion.io paid mocap
https://api.rtkmotion.io/paid/mocap
payable
RTK Motion — 4D motion capture biomechanics. Two-subject grappling capture, 5 s (300 frames @ 60 fps, 56 joints each), delivered as DERIVED ANALYSIS inline: inter-subject engagement distance and contact time — which single-actor corpora cannot produce — plus per-joint excursion, bilateral asymmetry, motion energy, and 56-joint→43-DOF retarget fidelity. Signed raw-BVH URLs included. Full 20 s captu
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.25
- Network
- base
- Pay to
- 0x6C11F8a21f7ca922F483Ed21C3b6c2d9B305B10C
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 190 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:12:12.750Z (1d ago)
- Category
- mcp-server
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.rtkmotion.io%2Fpaid%2Fmocap"