# Services from semver.openverbs.com on Zero

> semver.openverbs.com serves 3 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/semver.openverbs.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/semver.openverbs.com/health.json

## Services

- [Semver Parse](https://www.zero.xyz/c/semver-parse-03c067b9/llms.txt): $0.002/call via x402. Parses a semantic version string into its constituent components: major, minor, patch, prerelease, and build metadata.
- [Semver Compare](https://www.zero.xyz/c/semver-compare-67a3f2cd/llms.txt): $0.002/call via x402. Compares two semantic version strings and returns which one has higher precedence according to the semver specification.
- [Semver Range Satisfaction Check](https://www.zero.xyz/c/semver-range-satisfaction-check-7c5f26c7/llms.txt): $0.002/call via x402. Tests whether a semantic version string satisfies a given semver range expression (^, ~, x-ranges, ||, hyphen ranges).

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)