| [d24f17c] | 1 | # Swagger Client <img src="https://raw.githubusercontent.com/swagger-api/swagger.io/wordpress/images/assets/SW-logo-clr.png" height="50" align="right">
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| 2 |
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| 3 | [](https://github.com/swagger-api/swagger-js/actions)
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| 4 |
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| 5 | **Swagger Client** is a JavaScript module that allows you to fetch, resolve, and interact with Swagger/OpenAPI documents.
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| 6 |
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| 7 | ## New!
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| 8 |
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| 9 | **This is the new version of swagger-js, 3.x.** The new version supports Swagger 2.0 as well as OpenAPI 3.
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| 10 |
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| 11 | Want to learn more? Check out our [FAQ](docs/migration/migration-2-x-to-3-x.md).
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| 12 |
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| 13 | For features known to be missing from 3.x please see the [Graveyard](docs/migration/graveyard-3-x.md).
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| 14 |
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| 15 |
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| 16 | For the older version of swagger-js, refer to the [*2.x branch*](https://github.com/swagger-api/swagger-js/tree/2.x).
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| 17 |
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| 18 | > *The npm package is called `swagger-client` and the GitHub repository is `swagger-js`.
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| 19 | We'll be consolidating that soon. Just giving you the heads-up. You may see references to both names.*
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| 20 |
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| 21 | ## Compatibility
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| 22 | The OpenAPI Specification has undergone multiple revisions since initial creation in 2010.
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| 23 | Compatibility between Swagger Client and the OpenAPI Specification is as follows:
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| 24 |
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| 25 | Swagger Client Version | Release Date | OpenAPI Spec compatibility | Notes
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| 26 | ------------------ |--------------|----------------------------------------| -----
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| 27 | 3.19.x | 2023-01-23 | 2.0, 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.1.0 | [tag v3.19.0-alpha.3](https://github.com/swagger-api/swagger-js/releases/tag/v3.19.0-alpha.3)
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| 28 | 3.10.x | 2020-01-17 | 2.0, 3.0.0, 3.0.1, 3.0.2, 3.0.3 | [tag v3.10.0](https://github.com/swagger-api/swagger-js/tree/v3.10.0)
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| 29 | 2.1.32 | 2017-01-12 | 1.0, 1.1, 1.2 | [tag v2.1.32](https://github.com/swagger-api/swagger-js/tree/v2.1.32). This [release](https://github.com/swagger-api/swagger-js/releases/tag/v2.1.32) is only available on GitHub.
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| 30 |
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| 31 | ## Documentation
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| 32 |
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| 33 | #### Usage
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| 34 |
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| 35 | - [Installation](docs/usage/installation.md)
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| 36 | - [Tags Interface](docs/usage/tags-interface.md)
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| 37 | - [HTTP client for OAS operations](docs/usage/http-client-for-oas-operations.md)
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| 38 | - [OpenAPI Definition Resolver](docs/usage/openapi-definition-resolver.md)
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| 39 | - [HTTP Client](docs/usage/http-client.md)
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| 40 | - [Swagger Client API](docs/usage/api.md)
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| 41 |
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| 42 | #### Development
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| 43 |
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| 44 | - [Contributing](https://github.com/swagger-api/.github/blob/master/CONTRIBUTING.md)
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| 45 | - [Setting up](docs/development/setting-up.md)
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| 46 | - [Scripts](docs/development/scripts.md)
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| 47 |
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| 48 | #### Migrations
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| 49 |
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| 50 | - [Migration guide](docs/migration/migration-2-x-to-3-x.md)
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| 51 | - [Graveyard](docs/migration/graveyard-3-x.md)
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| 52 |
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| 53 | ### Runtime
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| 54 |
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| 55 | ### Node.js
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| 56 |
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| 57 | `swagger-client` requires Node.js `>=12.20.0` and uses different `fetch` implementation depending
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| 58 | on Node.js version.
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| 59 |
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| 60 | - `>=12.20.0 <16.8` - [node-fetch@3](https://www.npmjs.com/package/node-fetch)
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| 61 | - `>=16.8 <18` - [undici](https://www.npmjs.com/package/undici)
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| 62 | - `>=18` - [native Node.js fetch](https://nodejs.org/dist/latest-v18.x/docs/api/globals.html#fetch)
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| 63 |
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| 64 | > NOTE: swagger-client minimum Node.js runtime version aligns with [Node.js Releases](https://nodejs.org/en/about/releases/)
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| 65 | > which means that we can drop support for **EOL** (End Of Life) Node.js versions without doing major version bump.
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| 66 |
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| 67 | ### Browsers
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| 68 |
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| 69 | `swagger-client` works in the latest versions of Chrome, Safari, Firefox, and Edge
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| 70 | and uses [native fetch](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API) implementation
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| 71 | provided by each supported browser.
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| 72 |
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| 73 | ## Security contact
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| 74 |
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| 75 | Please disclose any security-related issues or vulnerabilities by emailing [security@swagger.io](mailto:security@swagger.io), instead of using the public issue tracker.
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