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Ask before you pay: PulseFeed tells an AI agent whether an x402 payment endpoint is safe to pay — liveness, anomaly scan (receiver-address changes between observations, catalog price vs. challenge price, invalid receivers, asset/network mismatch), on-chain receiver verification on Base, and an open 0-100 Trust Score. Built on a continuous independent audit of the x402 ecosystem (23803 endpoints probed of 30828 tracked, 19% of probed dead or invalid) plus a security audit of the MCP server ecosystem.

Pay-per-call web extraction: URL in, clean Markdown out.

Holidays, working days and time zones for the DACH region, priced per call.

Pay-per-call page rendering: URL in, image out — or URL in, whole page out.

HALOWERK audiowerk. Bezahlung über x402 in USDC auf Base Mainnet.

Latest annual population growth (%) for every country and region, one value each. No params. Returns JSON.

Search Rick and Morty locations by name (param name). Query: ?name= Returns JSON.

Whether a domain {domain} is hosted on green (renewable) infrastructure. Query: ?domain= Returns JSON.

Read-only MCP server for Sandwich aging-parent care resources and cost data.

Query official statistics of Catalonia (Idescat): tables, metadata and JSON-stat data via MCP.

XRPLOracle - 31 XRP Ledger tools: payments, DEX, AMM, hooks, NFTs, validators, DIDs.

Three-question character gauge with scored examples. Routes hires to mf-tpl-002 onboarding.

The Human Layer for AI — Route tasks to verified human workers worldwide via Telegram & WhatsApp with 8-second cUSD payments on Celo.

Provide a URL to a PDF and receive an AI-generated summary. Powered by Claude. Pay 50 sats per request via Bitcoin Lightning L402.

Bitcoin mining difficulty, via Blockchain.info stats API

Retrieves or processes casting-related data or operations.

Convert a value between units of measure: mass (g, kg, mg, lb, oz, t, st), length (m, km, cm, mm, in, ft, yd, mi), volume (l, ml, m3, gal, gal-imp, qt, pt, cup, floz, tbsp, tsp), area (m2, km2, ft2, acre, ha), and temperature (C, F, K). Units are matched case-insensitively with common aliases (kg/kilogram/kgs). Returns {value, from, to, dimension, result}. Exact factors — the ground-truth answer a CPG/ETL pipeline needs instead of an LLM approximating conversions. Cross-dimension conversions (kg→m) return 400.

Aggregated social analytics for a project.

Pay-per-use browser sessions with crypto. No API keys, no accounts -- just pay and connect via x402 or MPP.

Latest Ethereum-related news headlines, filtered from CoinDesk RSS by keyword match (titles, short summaries, and links only)

We measure how ChatGPT, Google AI Mode, Perplexity and the rest decide what to cite, then publish what we find. SaaS and B2B teams bring us in to apply it.

Zyrvix crypto-payments API reference for AI coding assistants. Anonymous, read-only.

Governed data discovery, exact queries, decisions, simulations, and runtime utilities over MCP.

USD Coin