{/_
This file is generated by scripts/generate-doc-snippets.ts.
Edit examples/docs-sdk-quickstart/src/main.ts between the docs:start/docs:end markers instead.
_/}

```ts
// An integration is the API surface. The auth template declares where a
// connection's credential is placed on each request — here, an `X-API-Key`
// header. `variable("token")` is the slot the resolved credential renders into.
await executor.openapi.addSpec({
  slug: "inventory",
  description: "Inventory API",
  baseUrl: "https://inventory.example.com",
  spec: {
    kind: "blob",
    value: JSON.stringify(inventoryApi),
  },
  authenticationTemplate: [
    {
      slug: "apiKey",
      type: "apiKey",
      headers: { "X-API-Key": [variable("token")] },
    },
  ],
});
```