# ION GraphQL API

**Canonical:** https://apis.io/apis/first-resonance/ion-graphql-api/  
**Provider:** First Resonance — https://apis.io/providers/first-resonance/  
**Base URL:** https://api.buildwithion.com/graphql  
**Documentation:** https://manual.firstresonance.io/api

ION GraphQL API is published by [First Resonance](https://apis.io/providers/first-resonance/) on the [APIs.io](https://apis.io/) network. Tagged areas include GraphQL, Manufacturing, and MES. The published artifact set on APIs.io includes an API reference, API documentation, and a getting-started guide.

The ION Factory OS GraphQL API. A single GraphQL endpoint for reading and writing manufacturing data in ION: Runs, Procedures, Parts, mBOM/aBOM, inventory, notifications, and webhook subscriptions. Authentication is OAuth 2.0 client credentials (API key clientId/clientSecret exchanged for an access token at a Keycloak realm), with cursor-based Relay pagination and realtime webhook events.

## Machine-readable artifacts (5)

- **GraphQL** — https://api.buildwithion.com/graphql
- **APIReference** — https://manual.firstresonance.io/api/interactive-api-explorer
- **Documentation** — https://manual.firstresonance.io/api
- **GettingStarted** — https://manual.firstresonance.io/api/how-to-create-an-app-with-ion
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/first-resonance/refs/heads/main/apis.yml

## Tags

GraphQL, Manufacturing, MES

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