# Go Module Mirror, Index, and Checksum Database — Software interface version compatibility

For Go Module Mirror, Index, and Checksum Database, product is Go Module Mirror; software version is Go 1.13+; dependency version is module mirror and checksum database, recorded from its source on 2026-08-04.

- **Product:** Go Module Mirror
- **Version pairing:** Go Module Mirror, Index, and Checksum Database _(unconfirmed — we could not tie this to the quote below)_
- **Software version:** Go 1.13+ _(unconfirmed — we could not tie this to the quote below)_
- **Dependency version:** module mirror and checksum database _(unconfirmed — we could not tie this to the quote below)_

## What the source says

> Since Go 1.13, the go command by default downloads and authenticates modules using the Go module mirror

## Source

- https://proxy.golang.org

Last verified: 2026-08-04. Review by: 2026-10-03.
Part of [Software interface version compatibility](https://referencesource.org/software-interface-version-compatibility/).