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1# Validation helpers [](https://github.com/go-openapi/validate/actions?query=workflow%3A"go+test") [](https://codecov.io/gh/go-openapi/validate)
2
3[](https://slackin.goswagger.io)
4[](https://raw.githubusercontent.com/go-openapi/validate/master/LICENSE)
5[](https://pkg.go.dev/github.com/go-openapi/validate)
6[](https://goreportcard.com/report/github.com/go-openapi/validate)
7
8This package provides helpers to validate Swagger 2.0. specification (aka OpenAPI 2.0).
9
10Reference can be found here: https://github.com/OAI/OpenAPI-Specification/blob/master/versions/2.0.md.
11
12## What's inside?
13
14* A validator for Swagger specifications
15* A validator for JSON schemas draft4
16* Helper functions to validate individual values (used by code generated by [go-swagger](https://github.com/go-swagger/go-swagger)).
17 * Required, RequiredNumber, RequiredString
18 * ReadOnly
19 * UniqueItems, MaxItems, MinItems
20 * Enum, EnumCase
21 * Pattern, MinLength, MaxLength
22 * Minimum, Maximum, MultipleOf
23 * FormatOf
24
25[Documentation](https://pkg.go.dev/github.com/go-openapi/validate)
26
27## FAQ
28
29* Does this library support OpenAPI 3?
30
31> No.
32> This package currently only supports OpenAPI 2.0 (aka Swagger 2.0).
33> There is no plan to make it evolve toward supporting OpenAPI 3.x.
34> This [discussion thread](https://github.com/go-openapi/spec/issues/21) relates the full story.
35>
36> An early attempt to support Swagger 3 may be found at: https://github.com/go-openapi/spec3
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