Function defineAPI

defineAPI<T extends Record<string, unknown>>(api: T): T
Define a complete API with schema-first validation. Identity function — returns the object as-is but enables InferAPI<typeof api>.
Type Parameters
- T extends Record<string, unknown>
Parameters
- api: T
Returns T
Example
```
const api = defineAPI({
  echo: defineMethod({ input: z.tuple([z.string()]), output: z.string() }, async (msg) => msg),
  math: {
    add: defineMethod({ input: z.tuple([z.number(), z.number()]), output: z.number() }, async (a, b) => a + b),
  }
})
```
- Defined in packages/kkrpc/src/validation.ts:318