RAML Validator

A lightweight RAML validator for developers and API designers to quickly check RAML specs for syntax, structure, and basic conformance.

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Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

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About This Tool

The RAML Validator Online tool analyzes RAML documents to verify syntax and structural correctness. It accepts RAML 1.0 and RAML 0.8 inputs, parses the content, and reports errors with precise line and column locations. Conceptually, it builds a RAML model and runs a set of domain-specific checks on resources, methods, parameters, type definitions, and security schemes to confirm conformance with the RAML standard. This enables API authors and teams to validate designs before implementation, reducing downstream defects and integration risk. Unique value lies in rapid, machine-friendly output that can be consumed by CI pipelines and IDEs for automated feedback. Core features include detailed error messages, severity levels, and an exportable report suitable for code reviews and validation dashboards. Use cases include validating API mocks, ensuring RAML fragments are well-formed, and catching cross-file reference issues early in the design phase.

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How to Use

Provide inputs: Paste RAML content into the input field.
Choose RAML version: Select RAML
0 or RAML
8 validation scope.
Run validation: Trigger analysis to generate errors or a valid result.
Review outputs: Inspect line numbers, messages, and references to fix issues.
Re-run validation: After fixes, re-validate to confirm conformance.

Frequently Asked Questions

Find Quick Answers

What RAML versions are supported?

The validator supports RAML 1.0 and RAML 0.8 syntax and structural checks. It detects common incompatibilities between versions and highlights features that require migration guidance.

What outputs are produced?

Output includes a list of errors and warnings, each with message, location (line/column), severity, and optional rule reference. The data is suitable for JSON-based pipelines and automation.

Can it integrate into CI/CD?

Yes. The tool is designed for automation and can be invoked as a component in CI workflows or via API endpoints to produce machine-readable results for gate checks.

How are errors reported?

Errors include a human-readable message, exact location in the RAML file, and a rule reference. They can be filtered by severity and grouped by RAML sections to aid triage.

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