Generates a QR code for provided text as SVG markup or a base64 PNG data URI.

Live USD prices and 24h % change for up to 25 crypto tokens per call: by ticker (BTC, ETH, SOL, USDC...), CoinGecko id, or chain:address for any token on Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, Solana and more.

Classify any address on base, ethereum, arbitrum, optimism, polygon, bsc: wallet (EOA, incl. EIP-7702 delegation) or contract, bytecode size, upgradeable proxy and implementation (EIP-1967, beacon, EIP-1167 clones), token standard (ERC-20/721/1155), Safe multisig threshold and owners, and Ownable owner.

Look up a transaction by hash on base, ethereum, arbitrum, optimism, polygon, bsc: status (success/reverted/pending), block and timestamp, from/to, value, gas used, fee in native coin and USD, method selector, created contract, and decoded ERC-20 transfers with token symbols and amounts. Transaction and receipt in one call.

Solana wallet balance lookup: SOL plus every SPL and Token-2022 token held (mint, symbol, amount), with live USD prices and total portfolio value.

Computes the Levenshtein edit distance and a similarity percentage between two strings.

Unlock full contact details for prospects by PID. Returns verified work email, personal email, and phone numbers. If an unlocked contact has no work email an email finder fallback runs automatically at no extra charge. Billed per PID.

Finds words that rhyme with, mean similarly to, or sound like a given word.

Returns a random trivia question with multiple-choice answers, optionally filtered by difficulty.

Returns official public holidays for a given country and year.

Returns NASA's daily featured space image or video with an explanatory caption.

South African Crypto ZAR prices (live): Live ZAR crypto prices from VALR's public market data: last traded, bid/ask, 24-hour high/low/volume and daily change for BTC, ETH and every other ZAR pair on the exchange. Live from VALR's public market data.

Validates a credit card or IMEI number against the Luhn checksum algorithm.

Score a signup for fraud risk. Send email only, ip only, or both; at least one is required. Email checks cover disposable and free provider detection, MX validation, gibberish name detection, domain liveness, and known business signals. IP checks cover VPN, proxy, Tor, residential relay, datacenter, and bogon detection. Returns a decision of allow, review, or block with a risk score and itemized signals.

Return the full detected technology stack for a domain. Every technology is mapped to a category with a confidence score. Includes stack_sophistication, stack_gaps, and competing_vendors derived intelligence. Billed per domain profiled.

Return the full detected technology stack for a domain. Every technology is mapped to a category with a confidence score. Includes stack_sophistication, stack_gaps, and competing_vendors derived intelligence. Billed per domain profiled.

Read any company page in real time and return clean structured content, links, metadata, and the detected tech stack. Data is fetched live from the source.

Computes a SHA-256, SHA-512, or MD5 hash digest of provided text.

Unlock full contact details for prospects by PID. Returns verified work email, personal email, and phone numbers. If an unlocked contact has no work email an email finder fallback runs automatically at no extra charge. Billed per PID.

Generates one or more cryptographically random UUID v4 identifiers.