# Previous versions

- [Migration to V4.3](https://developers.portos.sk/previous-versions/migration-to-v4.3.md): Thi article describes breaking changes between PORTOS API v4.2 and v4.3.
- [Migration to V4.2](https://developers.portos.sk/previous-versions/migration-to-v4.2.md): Thi article describes breaking changes between PORTOS API v4.1 and v4.2.
- [Migration to V4.1](https://developers.portos.sk/previous-versions/migration-to-v4.1.md): Thi article describes breaking changes between PORTOS API v4.0 and v4.1.
- [Migration to V4](https://developers.portos.sk/previous-versions/migration-to-v4.md): Thi article describes breaking changes between PORTOS API v3.X and v4.0.
- [Legacy documentation](https://developers.portos.sk/previous-versions/legacy-documentation.md)


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