You can access the SSL Certificate Checker programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in Integrations settings in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

{
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  "info": {
    "version": "0.0",
    "x-build-id": "iSYK7WIhF46C0KsJI"
  },
  "servers": [
    {
      "url": "https://api.apify.com/v2"
    }
  ],
  "paths": {
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        "parameters": [
          {
            "name": "token",
            "in": "query",
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            "schema": {
              "type": "string"
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            "description": "Enter your Apify token here"
          }
        ],
        "responses": {
          "200": {
            "description": "OK"
          }
        }
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    },
    "/acts/tropical_quince~ssl-certificate-checker/runs": {
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        "operationId": "runs-sync-tropical_quince-ssl-certificate-checker",
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        "tags": [
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    "/acts/tropical_quince~ssl-certificate-checker/run-sync": {
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        "operationId": "run-sync-tropical_quince-ssl-certificate-checker",
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  "components": {
    "schemas": {
      "inputSchema": {
        "type": "object",
        "required": [
          "domains"
        ],
        "properties": {
          "domains": {
            "title": "Domains",
            "type": "array",
            "description": "Domains to check SSL certificates for.",
            "items": {
              "type": "string"
            }
          },
          "port": {
            "title": "Port",
            "type": "integer",
            "description": "Port to connect on.",
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          }
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            "type": "object",
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              "userId": {
                "type": "string"
              },
              "startedAt": {
                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
              },
              "finishedAt": {
                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
              },
              "status": {
                "type": "string",
                "example": "READY"
              },
              "meta": {
                "type": "object",
                "properties": {
                  "origin": {
                    "type": "string",
                    "example": "API"
                  },
                  "userAgent": {
                    "type": "string"
                  }
                }
              },
              "stats": {
                "type": "object",
                "properties": {
                  "inputBodyLen": {
                    "type": "integer",
                    "example": 2000
                  },
                  "rebootCount": {
                    "type": "integer",
                    "example": 0
                  },
                  "restartCount": {
                    "type": "integer",
                    "example": 0
                  },
                  "resurrectCount": {
                    "type": "integer",
                    "example": 0
                  },
                  "computeUnits": {
                    "type": "integer",
                    "example": 0
                  }
                }
              },
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                "type": "object",
                "properties": {
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                  "timeoutSecs": {
                    "type": "integer",
                    "example": 300
                  },
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                    "type": "integer",
                    "example": 1024
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                  "diskMbytes": {
                    "type": "integer",
                    "example": 2048
                  }
                }
              },
              "buildId": {
                "type": "string"
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              "defaultKeyValueStoreId": {
                "type": "string"
              },
              "defaultDatasetId": {
                "type": "string"
              },
              "defaultRequestQueueId": {
                "type": "string"
              },
              "buildNumber": {
                "type": "string",
                "example": "1.0.0"
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              "containerUrl": {
                "type": "string"
              },
              "usage": {
                "type": "object",
                "properties": {
                  "ACTOR_COMPUTE_UNITS": {
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                    "example": 0
                  },
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                    "type": "integer",
                    "example": 0
                  },
                  "DATASET_WRITES": {
                    "type": "integer",
                    "example": 0
                  },
                  "KEY_VALUE_STORE_READS": {
                    "type": "integer",
                    "example": 0
                  },
                  "KEY_VALUE_STORE_WRITES": {
                    "type": "integer",
                    "example": 1
                  },
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                    "type": "integer",
                    "example": 0
                  },
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                    "type": "integer",
                    "example": 0
                  },
                  "REQUEST_QUEUE_WRITES": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATA_TRANSFER_INTERNAL_GBYTES": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATA_TRANSFER_EXTERNAL_GBYTES": {
                    "type": "integer",
                    "example": 0
                  },
                  "PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
                    "type": "integer",
                    "example": 0
                  },
                  "PROXY_SERPS": {
                    "type": "integer",
                    "example": 0
                  }
                }
              },
              "usageTotalUsd": {
                "type": "number",
                "example": 0.00005
              },
              "usageUsd": {
                "type": "object",
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                    "example": 0
                  },
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                  },
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                    "type": "integer",
                    "example": 0
                  },
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                  },
                  "KEY_VALUE_STORE_LISTS": {
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                  },
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                    "type": "integer",
                    "example": 0
                  },
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                    "type": "integer",
                    "example": 0
                  },
                  "PROXY_SERPS": {
                    "type": "integer",
                    "example": 0
                  }
                }
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    }
  }
}

SSL Certificate Checker - Verify HTTPS Security OpenAPI definition

OpenAPI is a standard for designing and describing RESTful APIs, allowing developers to define API structure, endpoints, and data formats in a machine-readable way. It simplifies API development, integration, and documentation.

OpenAPI is effective when used with AI agents and GPTs by standardizing how these systems interact with various APIs, for reliable integrations and efficient communication.

By defining machine-readable API specifications, OpenAPI allows AI models like GPTs to understand and use varied data sources, improving accuracy. This accelerates development, reduces errors, and provides context-aware responses, making OpenAPI a core component for AI applications.

You can download the OpenAPI definitions for SSL Certificate Checker from the options below:

OpenAPI.json

If you’d like to learn more about how OpenAPI powers GPTs, read our blog post.

You can also check out our other API clients:

SSL Certificate Checker API in Python

SSL Certificate Checker API in JavaScript

SSL Certificate Checker API through CLI

SSL Certificate Checker API

SSL Certificate Checker

scrappy_garden/ssl-certificate-checker

Check SSL/TLS certificates for any website: expiration date, issuer, subject, hostname match (SNI), chain/authorization status, and common HTTPS misconfigurations. Useful for SEO audits, security checks, and uptime monitoring.

Bikram Adhikari

Bulk SSL Certificate Expiry & DNS Monitor

logiover/bulk-ssl-certificate-expiry-dns-monitor

Check SSL certificate validity and expiration (days left, issuer, valid from/to) plus DNS A/MX resolution for thousands of domains. Fast, no browser, export-ready JSON/CSV. Ideal for agencies, SEO audits, DevOps monitoring and compliance.

Logiover Data

Ssl Checker API

vivid_astronaut/ssl-checker

Fabio Suizu

Website HTTPS & SSL Health Checker

pillowy_travel/website-https-ssl-health-checker

Checks HTTPS availability and SSL certificate health for given URLs

SAHIL KUMAR

5.0

SSL Certificate Transparency Search

ryanclinton/crt-sh-search

Search Certificate Transparency logs via crt.sh for SSL/TLS certificates. Discover subdomains, monitor cert issuance, and detect unauthorized certificates. Returns unique subdomains with first/last seen dates or individual cert records.

ryan clinton

Network Security Scanner

dz_omar/network-security-scanner

The SSL Checker actor scans IPs or subnets for SSL certificate details using masscan. It retrieves response headers, titles, and redirected URLs for HTTP and HTTPS. Customize parameters and set result limits for efficient scanning

FlowExtract API

5.0

Domain Checker - WHOIS & DNS

vivid_astronaut/domain-checker

Check domain availability, WHOIS records, DNS records, and SSL certificates. Supports bulk domain checking.

Fabio Suizu

Domain Inspector

visita/domain-inspector

A powerful, all-in-one tool to perform DNS lookups, WHOIS queries, HTTP status checks, and SSL certificate validation for a list of domains. It can clean full URLs down to the bare domain (e.g., https://www.apify.com/store → apify.com) and run all checks in a single batch.

Visita AI & Automation

175

5.0

Domain Expiration Date Checker

botflowtech/domain-expiration-date-checker

Check when domain registration expires via WHOIS lookup. Perfect for domain investors, website buyers, and security teams.

BotFlowTech

EPC Scraper

dhrumil/epc-scraper

Scrape https://find-energy-certificate.service.gov.uk to crawl millions of EPCs from United Kingdom. Our energy performance certificate scraper also lets you monitor specific post code for new EPC listed. You can provide multiple search result listings to scrape/monitor.