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Direct API functions return { data, error } and require manual response validation if you want runtime checks.

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Fetch a book

import { createKomgaClient, getBookById } from 'komga-sdk';

const client = createKomgaClient({
  baseUrl: 'http://localhost:25600',
  auth: { type: 'basic', username: 'admin', password: 'password' },
});

const result = await getBookById({
  client,
  path: { bookId: 'book-123' },
});

if (result.data) {
  console.log(result.data.metadata.title);
}

​
List books with search and pagination

import { getBooks } from 'komga-sdk';

const result = await getBooks({
  client,
  body: { fullTextSearch: 'manga' },
  query: { page: 0, size: 20, sort: ['metadata.title,asc'] },
});

if (result.data) {
  console.log(result.data.totalElements);
}

​
Validate responses

import { BookDtoSchema, validateResponse } from 'komga-sdk';

const validated = validateResponse(BookDtoSchema, result.data);
console.log(validated.id);

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Next steps