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railway link adds a --json flag for CI

Introduced 2026-01-08 · score 0.94

HOW TO USE IT

When a CI job needs to link a Railway project with machine-readable output, run `railway link --project <project-id> --environment <environment-id> --json`. The command links the project to the current directory and emits JSON.

railway link --project <project-id> --environment <environment-id> --json

WHY THIS HELPS

Link a Railway project from a CI job that needs machine-readable output.

REQUIREMENTS AND LIMITATIONS

  • Version: v4.20.0
  • --project <ID|NAME> (required): Project to link to; CI example uses a project ID.
  • --environment <ID|NAME> (required): Environment to link to; CI example uses an environment ID.
  • --json: Output in JSON format.

FIRST-PARTY EVIDENCE

Check the installed version and the source before using it. Entry JSON

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