Open Library API

curl 'https://openlibrary.org/api/books?bibkeys=ISBN:0451526538&format=json&jscmd=data'

const res = await fetch("https://openlibrary.org/api/books?bibkeys=ISBN:0451526538&format=json&jscmd=data");
if (!res.ok) throw new Error(`Request failed: ${res.status}`);
const data = await res.json();
console.log(data);

import requests

res = requests.get("https://openlibrary.org/api/books?bibkeys=ISBN:0451526538&format=json&jscmd=data", timeout=20)
res.raise_for_status()
print(res.json())

{
  "ISBN:0451526538": {
    "url": "http://openlibrary.org/books/OL1017798M/The_adventures_of_Tom_Sawyer",
    "key": "/books/OL1017798M",
    "title": "The adventures of Tom Sawyer",
    "authors": [
      {
        "url": "http://openlibrary.org/authors/OL18319A/Mark_Twain",
        "name": "Mark Twain"
      }
    ],
    "number_of_pages": 216,
    "pagination": "xxi, 216 p. ;",
    "by_statement": "Mark Twain ; with an introduction by Robert S. Tilton.",
    "identifiers": {
      "librarything": [
        "2236"
      ],
      "project_gutenberg": [
        "74"
      ],
      "goodreads": [
        "1929684"
      ],
      "isbn_10": [
        "0451526538"
      ],
      "lccn": [
        "96072233"
      ],
      "oclc": [
        "36792831"
      ],
      "openlibrary": [
        "OL1017798M"
      ]
    },
    "classifications": {
      "lc_classifications": [
        "PS1306 .A1 1997",
        "PS1306.A1 1997"
      ],
      "dewey_decimal_class": [
        "813/.4"
      ]
    },
    "publishers": [
      {
        "name": "Signet Classic"
      }
    ],
    "publish_places": [
      {
        "name": "New York"
      }
    ],
    "publish_date": "1997",
    "subjects": [
      {
        "name": "The Adventures of Tom Sawyer",
        "url": "https://openlibrary.org/subjects/the_adventures_of_tom_sawyer"
      },
      {
        "name": "Mark Twain",
        "url": "https://openlibrary.org/subjects/mark_twain"
      },
      {
        "name": "1835-1910",
        "url": "https://openlibrary.org/subjects/1835-1910"
      },
      {
        "name": "19th Century",