General Utilities x402 offerings

Extract text from PDF files. 🆓 5 free trial calls per signed wallet

Verify email validity. 🆓 5 free trial calls per signed wallet

Extract keywords from text. 🆓 5 free trial calls per signed wallet

Counts the decimal digit characters in the supplied text field and returns the total 🆓 5 free trial calls per signed wallet

Keyword search over the live x402 services catalogue (up to 500 characters of query), returning matching service ids, names, endpoints and prices. Same catalogue search as x402-find, with a longer query limit.

Text statistics — word count, readability, sentiment.

Structured text to JSON. 🆓 5 free trial calls per signed wallet

Safe math expressions. 🆓 5 free trial calls per signed wallet

Tests whether an integer is powerful, meaning every one of its prime factors appears to at least the second power 🆓 5 free trial calls per signed wallet

Multi-chain wallet profile. 🆓 5 free trial calls per signed wallet

Review API design. 🆓 5 free trial calls per signed wallet

Returns the full English month name for a 1-based month number 1-12; a missing or out-of-range month is a caller error (400). 🆓 5 free trial calls per signed wallet

Rolling sum over a numeric array with a fixed window (default 3). Inputs: values (array), window. 🆓 5 free trial calls per signed wallet

Gas prices on Base, Ethereum, Optimism and Arbitrum. 🆓 5 free trial calls per signed wallet

Minimax-optimal tic-tac-toe move (per turn) 🆓 5 free trial calls per signed wallet

Cartesian product of two or more sets. Input: sets (array of arrays, or pipe-separated strings). Output: array of tuples.

Markdown to text or HTML. 🆓 5 free trial calls per signed wallet

Concise text summarization via DeepSeek LLM. Provide text; returns a short summary of the key points.

Browse Polymarket markets by tag/category, with everything you need to trade what you find — conditionId, CLOB token ids, outcome names and prices (the market's implied odds), current bid/ask, end date and the minimum price tick. Use this when you know the category you want; use x402-poly-price to search by keyword, x402-poly-markets for the overall busiest markets, and x402-polymarket-scan for whole events instead of single markets.

Extract keywords from text. 🆓 5 free trial calls per signed wallet

Generate a QR code for text or a URL. 🆓 5 free trial calls per signed wallet

Computes Euclidean distance between points (x1, y1) and (x2, y2) using Math.hypot 🆓 5 free trial calls per signed wallet

Extract keywords from text. 🆓 5 free trial calls per signed wallet

Mythos heartbeat. 🆓 5 free trial calls per signed wallet