ISBN Validator

ISBN Validator API

Text AnalysisIncluded in Subscription

ISBN Validator is a comprehensive tool for validating and parsing ISBN-10 and ISBN-13 book identification numbers. It validates checksums and provides detailed information about each ISBN component.

Online
1 credit/call
99.9% uptime
Docs
avg: 361ms|p50: 342ms|p75: 374ms|p90: 413ms|p99: 491ms
Start for Free
Online
1 credit/call
99.9% uptime
Docs
avg: 361ms|p50: 342ms|p90: 413ms|p99: 491ms

Live Test API

Try out the ISBN Validator with a live request and see the response in real-time.

API Request

GET
https://api.apiverve.com
Parameters

API Response

200 OK
123456789101112131415161718
{
  "status": "ok",
  "error": null,
  "data": {
    "valid": true,
    "isbn": "978-0-306-40615-7",
    "type": "ISBN-13",
    "normalized": "9780306406157",
    "formatted": "978-0-306-40615-7",
    "checksum_valid": true,
    "prefix": "978",
    "group": "0",
    "publisher": "306",
    "title": "40615",
    "check_digit": "7",
    "error": null
  }
}

Multiple Access Methods

REST API with multiple response formats, GraphQL, and MCP for AI agents

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JSON

JavaScript Object Notation

XML

Extensible Markup Language

YAML

Human-readable data format

CSV

Comma-separated values

BETA

GraphQL

Query language for APIs

NEW

MCP

AI agent integration

Zero-Code Integration

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Developer SDKs

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NuGet

.NET / C#
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PyPI

Python
Ready
PyPIDocs

NPM

Node.js / JavaScript
Ready
NPMDocs
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Frequently Asked Questions

Get answers to common questions about the ISBN Validator API

What does the ISBN Validator API do?

ISBN Validator is a comprehensive tool for validating and parsing ISBN-10 and ISBN-13 book identification numbers. It validates checksums and provides detailed information about each ISBN component. The API returns structured data in JSON, XML, or YAML format, making it easy to integrate into any application or workflow.

How fast is the ISBN Validator API?

The ISBN Validator API has an average response time of 361ms, with a median (p50) of 342ms and 99th percentile of 491ms. Our infrastructure maintains 99.9% uptime with servers distributed globally for low latency.

How much does the ISBN Validator API cost?

Each call to the ISBN Validator API uses 1 credit. The free tier includes 100 credits per month. Paid plans start at $29.99/month with higher limits, and enterprise plans offer custom pricing with priority support.

How do I authenticate ISBN Validator API requests?

Include your API key in the request header as X-API-Key: your_key_here. All requests are made over HTTPS for security. You can get your API key by signing up for a free account.

What HTTP methods does ISBN Validator support?

The ISBN Validator API supports GET requests. Simply pass your parameters as query strings in the URL. Check our documentation for detailed parameter specifications.

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