TLS Checker

TLS Checker API

NetworkingIncluded in Subscription

TLS Check is an API that inspects the TLS/SSL configuration of a server identified by its IP address. It reports supported protocols, cipher suites, and potential vulnerabilities.

Online
1 credit/call
99.9% uptime
Docs
avg: 620ms|p50: 579ms|p75: 647ms|p90: 729ms|p99: 893ms
Start for Free
Online
1 credit/call
99.9% uptime
Docs
avg: 620ms|p50: 579ms|p90: 729ms|p99: 893ms

Live Test API

Try out the TLS Checker with a live request and see the response in real-time.

API Request

GET
https://api.apiverve.com
Parameters

API Response

200 OK
12345678910111213
{
  "status": "ok",
  "error": null,
  "data": {
    "domain": "amazon.com",
    "tlsVersions": {
      "TLSv1": false,
      "TLSv1.1": false,
      "TLSv1.2": true,
      "TLSv1.3": 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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Live Preview

Demo Mode
Developer SDKs

Skip the HTTP calls. Use our official packages

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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 TLS Checker API

What does the TLS Checker API do?

TLS Check is an API that inspects the TLS/SSL configuration of a server identified by its IP address. It reports supported protocols, cipher suites, and potential vulnerabilities. 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 TLS Checker API?

The TLS Checker API has an average response time of 620ms, with a median (p50) of 579ms and 99th percentile of 893ms. Our infrastructure maintains 99.9% uptime with servers distributed globally for low latency.

How much does the TLS Checker API cost?

Each call to the TLS Checker 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 TLS Checker 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 TLS Checker support?

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

Ready to integrate TLS Checker API?

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100 free credits/month
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