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US funding-stress warning with construction-PIT evidence limits and explicit eligibility flags.

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.

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

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

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.

Local-data IP intelligence paid per call over x402.

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.

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

Normalize EVM addresses to EIP-55 checksum form in batches, flagging invalid entries instead of failing the batch

Deforestation profile of a Brazilian municipality by IBGE code, from the official INPE satellite alert system (DETER, Amazon and Cerrado): area cleared and alert count since 31 Dec 2020 — the EUDR cutoff date — plus 30/90/365-day windows, breakdown by class (clear-cut, degradation, mining) and rank among affected municipalities. The origin-risk layer for coffee, soy, beef, cocoa entering the EU. Free sample, no payment: https://api.brazilayer.com/v1/desmatamento/amostra

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

Retrieves or processes casting-related data or operations.

Deterministic procedure for an agent that must pay for a long-running or asynchronous job over x402/MPP (video generation, scraping, inference, batch processing). Covers: submit-payment split (pay only for submission, never for the whole job up front), polling budget with max polls and max total spend across polls, cancel-before-completion refund thresholds, resume-after-timeout rules with re-payment guardrails, job-status code interpretation (queued/running/succeeded/failed/canceled), and a

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.

Build native-token wrapping calldata (WETH-style deposit) with the value to attach

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

Submit a URL to a code file or GitHub repo for an AI-powered code review. Identifies bugs, security issues, and improvements. Powered by Claude. Pay 2000 sats per request via Bitcoin Lightning L402.

Should you accept this invoice? Post a Factur-X PDF, CII or UBL XML and get a deterministic EN 16931 verdict: XSD conformance, every violated business rule by its official BR id with observed vs expected values, Factur-X profile consistency, and syntax checks on IBAN, SIREN/SIRET and VAT identifiers. The formats mandated by the French 2026-2027 reform. A non-conformant invoice is a paid, documented answer - no LLM guesswork. Add ?ruleset=xrechnung or ?ruleset=peppol to layer a national CIUS pack on top of the EN 16931 base: XRechnung (German BR-DE rules, DE mandate) or Peppol BIS Billing 3.0 (BE mandate, live since 2026-04), each violation sourced by its official id (BR-DE-xx, PEPPOL-EN16931-Rxxx).

Generate a complete Factur-X hybrid invoice: post simple business JSON (parties, lines, VAT) and get a PDF/A-3B document with the EN 16931 CII XML embedded (plus XMP) - the human-readable PDF that IS the structured e-invoice mandated by the French 2026-2027 reform. Already passed the full official rule set, and its embedded XML re-read byte-for-byte by our own reader; totals computed for you, inconsistent inputs rejected with actionable field-level errors. No account, no key.

Generate a guaranteed EN 16931-conformant e-invoice: post simple business JSON (parties, lines, VAT) and get XML that has already passed the full official rule set - totals computed for you, inconsistent inputs rejected with actionable field-level errors. Default output is CII (Factur-X EN 16931 profile URN); set syntax=ubl for a UBL 2.1 invoice, and add ruleset=peppol for a guaranteed-conformant Peppol BIS Billing 3.0 document (Belgium mandate, live since 2026-04). Ready for the French 2026-2027 reform. No account, no key.

Read any EU structured e-invoice in one call: post a Factur-X PDF, CII or UBL XML and get faithful structured data - parties with SIREN/VAT identifiers, line items, VAT breakdown, totals, payment IBAN and due dates. Covers the three formats mandated by the French 2026-2027 e-invoicing reform (EN 16931). No account, no key, no OCR guesswork.