# Railway Variables API

**Canonical:** https://apis.io/apis/railway-app/railway-app-variables-api/  
**Provider:** Railway — https://apis.io/providers/railway-app/  
**Base URL:** https://backboard.railway.com/graphql/v2  
**Documentation:** https://docs.railway.com/reference/public-api

Railway Variables API is one of 13 APIs that [Railway](https://apis.io/providers/railway-app/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Variables, Configuration, and GraphQL. The published artifact set on APIs.io includes API documentation.

GraphQL operations for service and environment configuration variables. Queries include variables; mutations include variableUpsert, variableDelete, and variableCollectionUpsert for bulk updates.

## Machine-readable artifacts (3)

- **Documentation** — https://docs.railway.com/reference/public-api
- **GraphQL** — https://raw.githubusercontent.com/api-evangelist/railway-app/refs/heads/main/graphql/railway-app-graphql.md
- **GraphQL** — https://raw.githubusercontent.com/api-evangelist/railway-app/refs/heads/main/graphql/railway-app-schema.graphql

## Other Railway APIs (12)

- [Railway Projects API](https://apis.io/apis/railway-app/railway-app-projects-api/)
- [Railway Services API](https://apis.io/apis/railway-app/railway-app-services-api/)
- [Railway Deployments API](https://apis.io/apis/railway-app/railway-app-deployments-api/)
- [Railway Environments API](https://apis.io/apis/railway-app/railway-app-environments-api/)
- [Railway Volumes API](https://apis.io/apis/railway-app/railway-app-volumes-api/)
- [Railway Plugins API](https://apis.io/apis/railway-app/railway-app-plugins-api/)
- [Railway Custom Domains API](https://apis.io/apis/railway-app/railway-app-custom-domains-api/)
- [Railway TCP Proxies API](https://apis.io/apis/railway-app/railway-app-tcp-proxies-api/)
- [Railway Usage and Metrics API](https://apis.io/apis/railway-app/railway-app-usage-metrics-api/)
- [Railway Teams and Workspaces API](https://apis.io/apis/railway-app/railway-app-teams-api/)
- [Railway Webhooks API](https://apis.io/apis/railway-app/railway-app-webhooks-api/)
- [Railway Logs API](https://apis.io/apis/railway-app/railway-app-logs-api/)

## Tags

Variables, Configuration, GraphQL

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/railway-app/railway-app-variables-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/railway-app/.