Public IP address
The IP address API returns the caller's IPv4 or IPv6 address, handles proxy headers safely and supports plain text or JSON. No account or client library.
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Every endpoint in one place. Filter by category or open a card for parameters, response time and an example request.
The IP address API returns the caller's IPv4 or IPv6 address, handles proxy headers safely and supports plain text or JSON. No account or client library.
The IP geolocation API returns country, region, city and coordinates for IPv4 and IPv6. Full response, JSON, JSONP and clear accuracy limits for each field.
The DNSBL API checks an IP against a fixed set of DNS blacklists with direct queries. Returns the zones where the address is listed, without third-party HTTP.
The carrier lookup API maps an IP address to a mobile operator and network type. Returns the operator name or an explicit undefined value, with no handset data.
The WHOIS API returns parsed fields for a domain or IP range: registrar, dates, status, nameservers and the raw registry text when parsing fails.
The email validation API checks syntax, resolves the mail server and tests whether the mailbox exists. Returns exists, invalid or unknown with clear reasons.
The card validation API checks a number with Luhn and masks all but the last four digits. It stores nothing and keeps the number out of your logs.
The WordPress salt API generates eight authentication keys and salts for wp-config.php. An optional seed makes the output repeatable for test fixtures.
The password generator API creates a random password with a chosen length and checks a SHA-1 hash against a breach list without sending the password.
The bot detection API checks whether an IP belongs to a known crawler or bot range. Returns a flag and the operator name, with no User-Agent involved.
The User-Agent detection API matches a string against a maintained bot signature list. Returns a flag and the matched signature, using the request header by.
The Tor detection API checks an IP against the current exit-node list. Returns a tor flag and a short message without exposing the list or blocking privacy.
The image placeholder API generates a PNG with a chosen width, height and colour. Useful for layouts, prototypes and test fixtures, with a capped pixel count.
The text placeholder API generates filler text with a chosen number of sentences and words. JSON or text output, a safe limit and random results on every call.
The QR code generator API encodes a URL or short text into a PNG. Set the size and error correction level, and test the printed size before you ship it.
The exchange rate API returns Monobank currency data and converts a base and quote. Includes the rate timestamp, a full table and a raw format for every field.