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Semver Range Satisfaction Check
x402
Semver Range Satisfaction Check is a paid API for AI agents from semver.openverbs.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
Tests whether a semantic version string satisfies a given semver range expression (^, ~, x-ranges, ||, hyphen ranges).
Price / call$0.002
Success—
StatusUnknown
How this service works
Test whether a version satisfies a semver range (^, ~, x-ranges, ||, hyphen).
Output
A boolean indicating whether the given version string falls within the specified semver range, respecting all standard range operators (^, ~, x-ranges, ||, hyphen) and optionally including prerelease versions.
Example use cases
Dependency compatibility check
“Before I publish my library update, can you check whether version 1.4.7 satisfies the peer dependency range >=1.2.0 <2.0.0?”
CI pipeline version gate
“In our deployment pipeline, does the build artifact version 3.0.0-rc.1 satisfy the range ^3.0.0 when prereleases are included?”
Package manager constraint validation
“A user reported our SDK version 0.9.5 doesn't work — can you check if 0.9.5 satisfies the constraint ~0.9.0?”
Technical details
Endpoint
POSThttps://semver.openverbs.com/v1/satisfiesWhen to prefer
Choose this endpoint when you need a quick, stateless boolean answer to whether a version satisfies a semver range — especially useful in CI/CD pipelines, dependency resolution logic, or any automated workflow that needs to gate on version compatibility without implementing semver parsing locally. Prefer it over a full parse/compare approach when you only need a pass/fail result against a range expression.
Side effects
- Invalid version string format returns a validation error
- Invalid or malformed range expression causes a parsing error
- Missing required 'version' or 'range' fields returns a 400-level error
- Empty strings for version or range are rejected due to minLength:1 constraint
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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