Audience
Backend developers, API designers, data engineers, QA engineers, business analysts, data architects, integration architects, and enterprise architects.
About Okyline
Okyline is an Executable Data Design (EDD) platform for declarative data validation contracts and measurable operational data quality.
Instead of maintaining disconnected specifications, validators, tests, and quality dashboards, Okyline uses a single executable contract as the operational source of truth for validation and flow quality monitoring.
The same readable contract drives multi-format validation, deterministic execution, quality measurement, data quality gate, and historical quality analytics across APIs, events, files, LLM structured outputs, and enterprise data flows.
Community Edition provides the open specification, a free Java validation runtime, a public Claude AI assistant for contract generation, and a free online studio for executable JSON validation contracts and JSON Schema transpilation.
Enterprise Edition supports direct validation of JSONL, XML, CSV, FIXED, and EDI flows, data quality gate, and operational quality dashboards, all without databases
Pricing
Videos and Screen Captures
Product Details
Okyline Frequently Asked Questions
Okyline Product Features
Okyline Verified User Reviews
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Probability You Would Recommend?1 2 3 4 5 6 7 8 9 10
"Great tool for data validation and observability" Posted 2026-05-25
Pros: Very light and quick.
The data stay locally (not uploaded/shared).
Easy to use and integrate.
Declarative ans usable by both technical and business parties.
Great support.Cons: I don't see any particular drawback in my usage so far.
Overall: I have used it in a event driven technical architecture for data validation and Okyline was very powerful to help me validate data and see the results of the evaluations.
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