# Services from api.rtkmotion.io on Zero

> api.rtkmotion.io serves 8 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/api.rtkmotion.io
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.rtkmotion.io/health.json

## Services

- [RTK Motion BVH Motion Capture File Download](https://www.zero.xyz/c/rtk-motion-bvh-motion-capture-file-download-f5f42041/llms.txt): $10/call via x402. Retrieves a BVH-format 4D motion-capture file (full skeleton, 60fps) for a specified subject, with a signed download URL and provenance metadata.
- [RTK Motion Robot Trajectory (RoboTarget)](https://www.zero.xyz/c/rtk-motion-robot-trajectory-robotarget-d3304cb5/llms.txt): $15/call via x402. Returns 4D motion-capture trajectory data in NPZ format for a specified humanoid robot and human subject, including a signed download URL for the binary file.
- [RTK Motion Rehabilitation Biomechanics Report](https://www.zero.xyz/c/rtk-motion-rehabilitation-biomechanics-report-93f6c7e3/llms.txt): $0.25/call via x402. Generates a per-exercise rehabilitation biomechanics report covering CoM stability, rep detection, joint load, bilateral asymmetry, ROM, and fatigue markers for one of five supported exercises.
- [RTK Motion Threat Intelligence Full Assessment](https://www.zero.xyz/c/rtk-motion-threat-intelligence-full-assessment-0538612c/llms.txt): $1/call via x402. Returns a full location threat intelligence assessment including corroborated source events, entities, temporal context, asset hits, corroboration scoring, and ECDSA-signed provenance for a specified location.
- [RTK Motion MoCap BVH Data Endpoint](https://www.zero.xyz/c/rtk-motion-mocap-bvh-data-endpoint-e729b053/llms.txt): $0.25/call via x402. Returns a signed BVH motion capture data excerpt (with optional full 300-frame hierarchy) from RTK Motion's 4D capture system, including a signed download URL and provenance signature.
- [RTK Motion Threat Intelligence](https://www.zero.xyz/c/rtk-motion-threat-intelligence-78c02d1c/llms.txt): $0.5/call via x402. Returns a threat level assessment, confidence score, and event distribution breakdown for a given location slug
- [RTK Motion Spotter Commercial-Truck Detection Sample Corpus](https://www.zero.xyz/c/rtk-motion-spotter-commercial-truck-detection-sample-corpus-4bfd8d50/llms.txt): $0.25/call via x402. Returns a fixed 10-crop trial slice of the 1,877-crop commercial-truck detection dataset with label rows and 15-minute signed download URLs, for evaluating corpus quality before purchasing the full tier.
- [RTK Motion Rehabilitation Biomechanics Analytics](https://www.zero.xyz/c/rtk-motion-rehabilitation-biomechanics-analytics-112c129f/llms.txt): $0.5/call via x402. Returns cryptographically-signed range-of-motion summaries, fatigue indices, and clinical synthesis for rehabilitation biomechanics data across body segments

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)
