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3530 services

• natur.halowerk.com

  Fetches two 128×128 NASA GIBS Harmonized Landsat Sentinel-2 reflectance renderings for a coordinate window, decodes the PNGs locally and compares only pixels present in both dates. It reports measured RGB change plus transparent colour-class heuristics for built-up, water/flooding and vegetation loss. HLS resolution is about 30 m; cloud, season, lighting and acquisition gaps can dominate differences.

• netz.halowerk.com

  Parses one frame up to 4096 bytes without contacting equipment. Modbus TCP includes MBAP fields and length validation; RTU includes CRC-16 validation; common function codes expose addresses, quantities, register values, bits and exceptions. OPC UA TCP exposes message/chunk headers and HEL/ACK negotiation fields. Register scaling, byte order beyond the protocol, device maps and vendor semantics are not guessed.

• news-sentiment-api.johntaylor1online.workers.dev

  News Sentiment Analyzer

• nft-alpha-x402

  NFT Alpha: OpenSea market signals for watched collection slugs. Body: { collection } or { collections[] }; omit the body to query all watched collections. Signals: HIGH_DEMAND, UNDERPRICED_LISTING, BID_FRENZY, DUMP_WARNING, LOW_DEMAND. Full contract: /openapi.json + /.well-known/x402.json. Not financial advice.

• nickeljoke.vercel.app

  Premium AI joke generation

• nodeproxy

  Distributed lock / idempotency primitive for multi-agent swarms. claim(key) returns a token if free (with TTL); release(token) frees it; check(key) reports whether held. Stops multiple agents from double-processing the same work item.

• nohumans.directory

  nohumans.directory pre-spend verdict for one listing: probe history, payTo age and stability, paid-delivery outcome, verified verb, and a pay/caution/avoid verdict with reasons.

• nostrpulse.xyz

  Top Nostr notes and authors by sat-zap velocity over a rolling window. Surfaces real-money sentiment — who the BTC/Nostr economy is literally paying to amplify. Fundamentally different signal from reposts/likes: zaps cost sats. Query ?window=15m|1h|6h|24h &scope=notes|authors &limit=N.

• notary.forgemesh.io

  Notarize AI output in bulk: one signed Ed25519 attestation of the model response per record for up to 20 AI inferences in a single call — same content hash, receipt token, and anchor status as single notarization, giving you a cryptographic receipt for inference across an entire audit-trail pipeline.

• npm + PyPI Package Scraper - Metadata & Downloads

  Get package data from npm and PyPI. Both come back in the same row shape: version, license, author, repository and keywords. npm rows also carry monthly downloads. No API key needed. PyPI only matches an exact package name. $2.00 per 1,000 packages.

• numberintel.dev

  Phone number static intelligence: E.164 normalization, format validity, NANP plausibility, geography, timezones, current local time for US/CA numbers.

• obagents.vercel.app

  x402 OB Image Generator · Price $0.01 per generated image https://obagents.vercel.app/api/obigen/protected/igen GET Query Params // The primary text description of the image to generate. prompt: string; Example: https://obagents.vercel.app/api/obigen/protected/igen?prompt=yourprompt · x402 OB Image Generator · Price $0.01 per generated image

• obol.danieldutoit.net

  Base network block status reconciled after payment across two pre-probed distinct-operator RPC endpoints

• observer.137-184-67-179.sslip.io

  Live Bitcoin BTC-USD market-regime and risk evidence for autonomous AI agents, algorithmic systems, portfolio monitors, and quantitative workflows. Returns current market state and phase, coherence, commitment, pressure, derived directional bias, alert label, completion readiness, transition strength, false-breakout risk, and recent state-change events. Experimental analytics only; not financial advice.

• oc-person-c.nvprotas.name

  Ratatouille demo hello world: returns a greeting and a timestamp.

• ocr-api.pdfextractapi.workers.dev

  Extract text from an image (photo, screenshot, or scanned document) via OCR.

• odood.com

  POST a URL; get clean, LLM-ready content (Markdown/text/JSON) plus a prompt-injection risk verdict (clean | suspicious | flagged). A defense layer for agents and RAG pipelines, not a guarantee.

• offersignal.io

  Weekly signal on changes to the OfferSignal Tool Index: price changes, policy changes, and new/removed AI companion tools since the previous snapshot.

• omnicall.gocreativeai.com

  Multi-platform meta-search — web, GitHub, Hacker News, Stack Overflow, arXiv, academic papers, Wikipedia, news in ONE call. For research, dev-discovery, and knowledge agents. Unified search across 8 sources beats single-platform APIs. Keyless, pay-per-call USDC on Base/Solana, no API key, no signup.

• omniguchi.0000402.xyz

  Restore Cleanliness for an active Omniguchi. Any verified payer may care for any hatched target.

• onchain-toolkit.bowling-anthony.workers.dev

  Native balance, next nonce, and whether an address holds contract code. Pass token to read an ERC-20 balance in the same call.

• ontarioprotocol.com

  Publish your x402 API for agent discovery with an Ontario profile and Bazaar Launch Passport after free validation: public profile, readiness report, Coinbase indexing preflight, five-query buyer-intent audit, optional MCP procurement evidence, badge, distribution metadata, and 30 days of freshness maintenance. Call when you need public launch evidence. Ontario is not Coinbase. Payment buys processing and publication, not placement, ranking, buyers, or safety.

• onvexia.com

  Topic ranking — Ranked social topics for a window. Returns topics + window_hours.

• open-pay.jp

  End-to-end smoke test for x402 clients: returns a greeting plus the settlement timestamp, so an agent can prove its payment path works before spending on real data.

• open-research-agent.com

  AI-generated deep research report (Open Research Agent)

• openFDA API: FDA Recalls, Drug Labels & Device Reports

  Query the official openFDA API in one actor: drug, device and food recall enforcement reports, SPL drug labels by generic or brand name, and device adverse-event (MAUDE) reports with detail links that open. Filter by keyword, recall class, status, state, event type and date. No API key.

• openwebninja-x402.vercel.app

  Fetch Google Play Store top grossing games.

• oraclepost.higgsfield.app

  Live Chainlink price feed on Base, read from the oracle contract at request time: price, round id, last update and feed address. Pairs: ETH-USD, BTC-USD, SOL-USD, LINK-USD, CBETH-USD, AERO-USD, USDC-USD, EUR-USD. Pass ?pair=ETH-USD (default ETH-USD). No third-party API, no cache.

• orbylon.com

  Agent Readiness Scan, full report: runs all 16 checks against a domain and returns the complete machine-readable results synchronously, plus a hosted report URL.

• orchard-data

  One-call market snapshot: BTC/ETH/SOL spot + 24h change, crypto fear & greed index, and SPY/QQQ/DIA/IWM quotes. JSON.

• orchard-data

  Trending tickers right now: StockTwits trending symbols + r/wallstreetbets hot posts with ticker mention counts. JSON.

• ot-intel-api.onrender.com

  ICS detection artifact retrieval. Pass ?target=PIPEDREAM or ?target=SANDWORM&format=sigma. Returns YARA/Sigma rules for the target malware or actor, sourced from public corpus (Florian Roth signature-base, CISA advisories) with validated:true, or DeepSeek-synthesised with validated:false. Designed for automated threat hunting pipelines that commit rules to SIEMs and EDRs — validated:true rules are safe to deploy; validated:false require lab testing first.

• overhang

  Exit capacity for one Kamino reserve: oracle-marked USD vs the maximum a liquidator could realise selling now, the exitable fraction, and the verdict with its corroboration receipt. Distinguishes transfer-permissioning from thin depth.

• oyapicks.app

  OyaPicks: live prediction-market data across Polymarket and Alpha Arcade, including cross-venue arbitrage gaps where the same outcome is priced differently.

• paddock.finance

  Paddock best-value provider ranking — one-time query

• page.fluidrack.com

  Publish ephemeral page

• paket.halowerk.com

  Returns the full version history of a package from a single normalised schema that covers seven ecosystems. Versions are ordered by semantic version, not alphabetically and not in registry order, so 1.10.0 sorts after 1.9.0 — the mistake that quietly breaks naive comparisons. For each version you get the publication timestamp, whether it is the registry default, whether it is deprecated and the deprecation reason as the registry states it.

• patent-search-api.johntaylor1online.workers.dev

  Patent & IP Search

• pathcoursehealth.com

  Instruction-tuned mixture-of-experts model for high-volume work: classification, extraction, summarisation, routing and short chat. Chosen when throughput and cost matter more than depth of reasoning. OpenAI-compatible; streaming supported.

• pathmint.edge.report

  BEFORE YOU PAY an x402 402: ping this resource URL. Returns live or dead (ghost listing, timeout, non-compliant host). One cent. Use when holding Payment-Required, before sending USDC to a payTo. Ghost x402, is this endpoint live, verify before pay. Not full pay-clearance.

• paulgraham.persona.energy

  Search Paul Graham's source corpus — a source-grounded persona of the Y Combinator co-founder and essayist, built from 13,000+ cited sources: his complete essays, talks, interviews, and X posts — by semantic + lexical query and retrieve grounded packets (graded claims, quotes, evidence with citations). POST a JSON body { query, limit? (<=100), packetTypes? }. Flat micro-price per query.

• payable.nsgoods.org

  x402 payability check: reachable + well-formed 402 + (Solana) destination-ATA existence

• payload402

  Resolve a place name or lat/lon to IANA timezone and coordinates (Open-Meteo). Use for agent scheduling, travel logistics, and local-time questions without LLM guessing. Not IP geolocation.

• paylog.dev

  8 Things That Tripped Me Up Implementing x402

• paysafe-agent.com

  Counterparty reputation lookup for x402 payments: aggregated post-hoc reports (scam, non-delivery, prompt injection, overcharge, impersonation, replay abuse) filed by other agents, with distinct-reporter counts and risk level.

• payto-preflight.hergertsynthora.com

  x402 PayTo Pre-Flight: verify a payTo address against the live registry before paying. Detects payTo hijacking, stale endpoints and unknown resources. Deterministic, <200ms, no external network. 0.001 USDC via x402 on Base. SYNTHORA.

• pdf-extract-api.pdfextractapi.workers.dev

  Extract structured JSON data from a PDF document.

• penny402

  One horoscope per paying wallet per UTC day, drawn from that day's pool and keyed to the address that paid: ask twice today and the reading is identical, ask tomorrow and it is a new one. Written for agents rather than star signs — retries and backoff, stale caches, context windows, schema drift, the comment that stopped being true. It predicts no outcome and stakes nothing. Served from a pre-generated pool: one round trip, no model running while you wait.

• pennyregwatch.com

  Decide whether a specific crawler may fetch an exact public URL under robots.txt rules. Returns ALLOW/DENY, the winning rule, crawl-delay, sitemap URLs, and live provenance. Use before an AI agent or crawler fetches a page.

• phion.systems

  Deterministic payment-policy firewall with a signed, short-lived decision receipt