Card Validator

Card Validator API

Data ValidationIncluded in Subscription

Card Validator is a simple tool for validating if a card number is valid or not. It checks the card number format and the Luhn algorithm to see if the card number is valid.

Online
1 credit/call
99.9% uptime
Docs
avg: 809ms|p50: 756ms|p75: 845ms|p90: 951ms|p99: 1165ms
Start for Free
Online
1 credit/call
99.9% uptime
Docs
avg: 809ms|p50: 756ms|p90: 951ms|p99: 1165ms

Live Test API

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

API Request

GET
https://api.apiverve.com
Parameters

API Response

200 OK
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{
  "status": "ok",
  "error": null,
  "data": {
    "card": {
      "niceType": "Visa",
      "type": "visa",
      "patterns": [
        4
      ],
      "gaps": [
        4,
        8,
        12
      ],
      "lengths": [
        16,
        18,
        19
      ],
      "code": {
        "name": "CVV",
        "size": 3
      },
      "matchStrength": 1
    },
    "cardNumber": "4900264223817524",
    "isValid": true
  }
}

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#
Ready
NuGetDocs

PyPI

Python
Ready
PyPIDocs

NPM

Node.js / JavaScript
Ready
NPMDocs
Need a different language?Our REST API works with any programming language. Examples available for PHP, Ruby, Go, and more.
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Frequently Asked Questions

Get answers to common questions about the Card Validator API

What does the Card Validator API do?

Card Validator is a simple tool for validating if a card number is valid or not. It checks the card number format and the Luhn algorithm to see if the card number is valid. 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 Card Validator API?

The Card Validator API has an average response time of 809ms, with a median (p50) of 756ms and 99th percentile of 1165ms. Our infrastructure maintains 99.9% uptime with servers distributed globally for low latency.

How much does the Card Validator API cost?

Each call to the Card 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 Card 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 Card Validator support?

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

Ready to integrate Card Validator API?

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