# Services from api.rqm-relay.com on Zero

> api.rqm-relay.com serves 2 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.rqm-relay.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.rqm-relay.com/health.json

## Services

- [RQM Signal Gate — Validate Signal Capture Against Metric Rules](https://www.zero.xyz/c/rqm-signal-gate-validate-signal-capture-against-metric-rules-96449b2f/llms.txt): $0.007/call via x402. Accepts a bounded multi-channel signal capture, evaluates every channel against caller-supplied metric rules (e.g. RMS, peak-to-peak, dominant frequency), and returns all measurements plus any rule violations with checksummed artifacts.
- [RQM Relay Multichannel IQ Capture Diagnostics](https://www.zero.xyz/c/rqm-relay-multichannel-iq-capture-diagnostics-bbfeeb6c/llms.txt): $0.007/call via x402. Inspects up to eight channels of complex I/Q samples for nominal, degraded, or invalid signal quality and returns bounded findings with a diagnostic artifact.

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)