Full site quality audit: 22 checks across SEO (titles, descriptions, canonical, Open Graph, JSON-LD…), accessibility (alt text, form labels, heading order, landmarks…) and security headers (HSTS, CSP, XCTO…) — scored 0-100 per section with a copy-paste fix for every finding. $5 per audit. Fetch-based (served HTML; SPA shells noted). The agent-readiness scan is separate and free at /api/x402/deep-scan.

Search-grounded answer with source URLs, synthesized by a local LLM with no cloud token dependency.

Bulk agent-readiness screening for agencies, VCs and portfolio owners: scan up to 50 URLs in one paid call ($0.02/URL, $0.10 minimum) and get a compact per-URL verdict — level 0-5, passing checks, top gaps. The single-URL scan with full evidence stays free at /api/x402/deep-scan; this buys scale and rate-limit bypass.

Test any x402 endpoint with a REAL signed payment from a fresh unfunded wallet — no funds can move. Returns the facilitator's verdict (healthy / broken / payment-ignored), decoded challenge, lint checks for silent payment-killers like over-long resource descriptions, and a 402index discovery report. Config validators check your paperwork; this reports what the facilitator actually said. Run it from CI after every deploy.

Raw RDAP registration record for a domain, returned as structured JSON.

Counterparty trust verification for agents: before transacting with a domain, verify its trust artifacts — DNSSEC + DNS-AID records, agent-card, live MCP endpoint, published JWKS, OASF record, x402/commerce declarations. Returns a 0-100 trust score with per-artifact evidence. $0.25 per lookup.

Live AI-citation check: runs fresh probes against major AI assistants and reports whether a domain is cited for its vertical's buying questions — citation rate per provider, list position, competitors named instead, and whether the domain's agent-card was discovered. Fresh probes per call (not cached). $0.50 per check. Free companion diagnosis: /api/x402/deep-scan.

Trust score (0-100, grade A-F) for any publicly listed x402 endpoint. Unlike uptime-only checkers, we return ECONOMIC PROOF: the REAL on-chain USDC settlement volume and distinct-payer count for the endpoint's payTo address — is anyone actually paying it, or is it just live? Computed deterministically from continuous monitoring: 30d probe uptime, 402-envelope spec compliance, latency, observed age, on-chain settlement activity, and advertised-price stability. Includes a full component breakdown, machine-readable flags, and an honest observedDays (we report only the history we actually have, with dataCompleteSince marking our gap-free on-chain coverage). Know before you pay.

Market fear & greed index. Aggregated investor sentiment from CNN Fear & Greed, the crypto Fear & Greed index, and the VIX volatility gauge.

Weather API returning current conditions, hourly forecast, and a 1-7 day daily forecast for any latitude/longitude. Metric or imperial units. Open-Meteo backend. Use it as a current weather API or forecast API.

Before your agent pays a new bank account: validate the IBAN (all countries), resolve its bank and BIC from national bank registries, and check SEPA reachability per scheme (SCT, SCT Inst, SDD Core/B2B) against the EPC register

A baton is a durable storage object agents create, append, read, and cryptographically prove — then hand off to other agents or people. Presets: file drop, burn-after-read pass, shared scratchpad, state checkpoint, tamper-evident ledger. Metered by bytes, time, egress, writes; price frozen at purchase. 155 tools, one balance — relaystation.ai

$0.005/image. Recognize celebrities in an image (Rekognition) — names with confidence scores. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Agent-native encrypted key-value store, paid per request over x402 — no signup, no API key. The payer's wallet (or an ak_ account key) is the namespace; values are client-side encrypted. Write $0.005, read $0.003; prepay $1 = 10,000 credits at 1/10 the per-op price (POST /v1/credits/deposit). SDK: npm i @agentkv/client. Docs: https://agentx402.ai

$0.0002/call. Generate a complete favicon set (PNGs) from an image or initials text. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

List X accounts your wallet owns or has shared access to (returns full credentials).

$0.005/image. Flag unsafe or inappropriate image content (Rekognition moderation) — categories with confidence. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.004/page. Add an invisible OCR text layer to a scanned PDF — looks identical, fully searchable. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.0005/MB. Re-encode audio to another format, bitrate, or sample rate — mp3, aac, wav, flac and more. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Location-relevant mobility option finder for transit-aware trip planning. Returns a short list of provider matches and the next paid planning call to make.