Clean REST endpoints for DNS, subnetting, encoding, security, and account automation.
Use the APIs through simple HTTPS calls with JSON responses. Each endpoint includes parameters, response formats, and ready-to-run examples for cURL, PowerShell, and Python.
Resource-oriented design aligned with CRUD operations: Create Read Update Delete
These APIs are actively maintained, but offered without a formal uptime SLA.
Converts numbers between bases, like decimal to binary or binary to hexadecimal.
Resolves DNS records of various types for a given hostname. Look up DNS, WHOIS, SPF records, and more.
Encode and decode text using URL encoding, Base64 encoding, and Base64URL encoding.
Retrieve security details for a website or domain, including TLS certificates.
Calculates subnet information from an IP address or CIDR address. Includes masks, binary representations, assignable addresses, and more.
Monitor your network resources with custom alerts in the Alerts API.
Authorize your NetworkCalc account to make API calls securely.
Manage and monitor your domains and subdomains through the Domains API.
Monitor your domains and subdomains with scheduled and on-demand reports.
Manage your saved subnets through the Subnet API.