x402 List

x402 Protocol Service Directory

All x402 Services

SERVICES ── 858 total ── showing 51-100 ── for live status visit /status

STATUS ── ● online · ◐ degraded · ○ offline · ─ unknown ── live health, see /status.

TIER ── ✓ = verified: we paid a real call to the endpoint and it delivered · ◦ = payment-ready: answers a valid x402 challenge and is live · blank = listed. See /methodology.

VOL 30D and BUYERS 30D are a measured 30d floor across listed services, not an ecosystem total; an unmeasured service is not counted as zero.

·sh = shared payout address; volume attributed pro-quota (buyers left whole).

All x402 services with live status, name, verified status, description, category, endpoint count, cheapest per-request price, uptime (latest daily rollup), measured 30-day on-chain volume, distinct 30-day buyers, and supported networks (testnet networks are marked). Select a column header to sort the whole catalog by that column.
STATUS NAME TIER DESCRIPTION CATEGORY EP FROM $/REQ UPTIME · DAILY ROLLUP VOL 30D BUYERS 30D NETWORKS
● nsgoods Agent Trust & Screening Oracle ◦ nsgoods, the verifiable trust layer for AI agents. Two products on one host: signed OFAC sanctions + malicious-address screening for any EVM or Solana address (deny/review/clean verdict), and cross-chain ERC-8004 reputation/trust scores (0-100). Every response ECDSA-signed and hash-chain provable, with a free preview on each. Part of a 6-oracle suite (aggregated manifest at https://x402.nsgoods.org/.well-known/x402). AI 3 $0.005 100.00%11 chk $6 23 BSE
● Kronos Crypto Data & Forecasts ◦ Pay-per-call real-time crypto market-data API for autonomous agents and trading bots. Covers 16 assets with derivatives intelligence (funding rates, open interest, basis), liquidation cluster maps, options implied volatility, multi-source spot pricing, macro context, and ML price forecasts. No API keys required — x402 USDC micropayments on Base mainnet. Prices range $0.001-$0.10 per call. Data 4 $0.02 100.00%11 chk $24 68 BSE
● NetIntel ◦ Pay-per-call network & domain intelligence API — DNS, SSL/TLS, WHOIS/RDAP, email security (SPF/DKIM/DMARC), IP geolocation/reputation/risk, OSINT, plus LLM-backed text tools (classify, translate, summarize, sentiment, structured-JSON extraction) and an OpenAI-compatible chat + embeddings gateway. 124 endpoints, USDC on Base or Solana via x402, no API keys — just a wallet. MCP server available (netintel-mcp). AI 124 $0.001 100.00%11 chk $17 70 BSE / SOL
● anchor-x402 ◦ 16 pay-per-call x402 services for AI agents: on-chain Merkle anchoring, wallet/address security screening, Web3 data resolution (tx & calldata decode, ENS name resolution), token pricing, content analysis, and verifiable randomness. No API keys or accounts. Settle per request on Base USDC, Solana USDC, or Polygon JPYC (1 yen / anchor) Blockchain 16 $0.001 100.00%12 chk $4 77 BSE / POL / SOL
● WebberSites x402 Data API ◦ Pay-per-call data & utility API for AI agents — 40+ endpoints, USDC on Base via x402, from $0.001. Web scraping & summaries, PDF/DOCX/CSV extraction, crypto prices & market reports, IP geolocation & timezone, DNS & email checks, SEO / accessibility / schema.org audits (page & whole-site), music metadata & cover art, icon / logo / brand-kit / OG-card generation, image vectorization, multi-page website builds, a wallet-keyed agent datastore, and a machine message board. No accounts, no API keys. Data 37 $0.001 100.00%11 chk $0.61 32 BSE
● 2s.io ◦ Keyless pay-per-call API for AI agents: 316 endpoints across 95+ groups. Patents & trademarks (USPTO), legal (CourtListener), government & economy (SEC EDGAR, Census, World Bank, Federal Register), finance/markets, science & medicine (arXiv, PubMed, ICD-10, drug data), vehicles & aviation (NHTSA), geo & weather (OpenStreetMap, NWS/NOAA, USGS), business registries (GLEIF LEI), sanctions screening (OFAC), cybersecurity (CVE/KEV/EPSS), and web/data utilities. No signup, no API key: pay per request in USDC on Base or Solana via x402. Machine-readable OpenAPI, llms.txt, JSON-LD, and MCP server card. Data 6 $0.0025 100.00%11 chk $14 91 BSE / SOL
● GEDX402 ◦ Cloudflare Workers AI hub with x402 v2 USDC. Hero integrator funnel: scrape-lite, open-answer, cited-research-pack. https://gedx402.com/docs/integrator-quickstart AI 1 $0.0036 100.00%12 chk $2 28 BSE
● Spraay Gateway ◦ Full-stack x402 gateway: AI inference, payments, oracle, analytics, comms, webhooks, RPC, storage, KYC, GPU compute, Search/RAG. ~60 endpoints. AI 4 $0.005 100.00%31 chk $1 35 BSE / SOL
● StableEmail ◦ Pay-per-send email via micropayments. AWS SES backend. Supports subdomains, inboxes, and replies. USDC on Base or Solana. AI 3 $0.02 100.00%31 chk $19 31 BSE / SOL
● Mycelia Signal ◦ Signed cryptographic price oracle. Ed25519-signed canonical price/econ attestations for agent consumption. 38 price pairs + 19 econ indicators. Data 2 $0.01 100.00%31 chk $28 35 BSE
● CoinMarketCap ◦ Pay-per-call cryptocurrency market data (quotes, listings, metadata) via x402 micropayments. Data 1 $0.01 100.00%31 chk $2 36 BSE
● CoinGecko ◦ Crypto price and on-chain DEX data API. x402-gated endpoints for agents — pay-per-call USDC on Base or Solana. Data 3 $0.01 100.00%31 chk $3 52 BSE / SOL
● Minifetch ◦ Composable URL/metadata/data extraction APIs — URL to markdown, structured data extraction. Data 1 $0.002 100.00%31 chk $0.37 25 BSE / SOL
● TradePilot Agent Commerce ◦ 114 pay-per-use x402 services on Base/USDC for AI agents: content drafting (blog, landing pages, proposals, sales scripts), SEO tools, data utilities (hashing, format conversion, validation), and specialist agents for website review and campaign planning. AI 25 $0.01 100.00%11 chk $35 2 BSE
● Soren ◦ 35 paid x402 resources on Base: web reading/search as markdown, AI summarize/extract and a neutral SIGNED judge for A2A disputes, scheduled wakes with signed receipts, chain reads, signed oracles (weather/FX/randomness/onchain), attestation, commit-reveal and fair draws, coordination locks/quotas, and game-price data. Ed25519-signed statements throughout, verifiable at soren.com/oracle-key.json. Machine-first: llms.txt, OpenAPI, MCP at soren.com/mcp. Data 9 $0.003 100.00%11 chk $2 8 BSE
● Market Intelligence API ◦ Market intelligence for AI agents across crypto, US and European stocks, rates, FX and macro. One $1 call returns a trading decision (action, conviction, evidence per pillar, trade plan). Plus on-chain order flow, opportunity scans, technicals, perp funding and positioning, smart money, token risk, SEC and ESEF fundamentals, insider trades and Form 144, European short interest, ECB rates and FX, EU inflation and unemployment, Treasury rates, news and datasets. Pay in USDC or EURC. Finance 52 $0.001 100.00%12 chk $11 10 ARB / BSE / POL / SOL
● VWeatherStation ◦ VWeatherStation exposes a machine-payable weather API. Two families of endpoints: (1) General weather — current conditions + 7-day forecast for any latitude/longitude. (2) Prediction-market settlement data — temperature, rainfall, wind and snow read at the exact stations Polymarket/Kalshi weather markets resolve on (e.g. KNYC Central Park, KMDW Midway, LTFM Istanbul), plus active hurricanes (NHC) and multi-model forecast confidence. No API key: call an endpoint, get an HTTP 402 with payment terms, pay with any x402 client, retry. Settlement via the Coinbase CDP facilitator. Data 9 $0.01 100.00%12 chk $0.55 5 ARB / BSE / POL / SOL
● KGNINJA Agent API ◦ KGNINJA (GitHub KG-NINJA) agent HTTP tools on Base USDC via x402: fix-error, summarize-url, shell-risk-check. Related supply gate GET https://x402-kg-receiver.interesting-peripheral.workers.dev/paid ($0.01). Related OSS Instant-Voice-to-MD https://github.com/KG-NINJA/Instant-Voice-to-MD Other 3 $0.01 100.00%12 chk $0.11 10 BSE
● code402 ◦ 66 deterministic business-identifier validation tools (IBAN, LEI, VAT, SWIFT/BIC, screening + more) paid per call via x402 - gasless USDC on Base. Signed XDR-1 receipts; free tier 3 calls/day; floor $0.005. Non-custodial. Verification 3 $0.005 100.00%12 chk $4 8 BSE
● Enclave402 ◦ Signed verification and attestation for the x402 economy. Enclave402 probes and scores x402 endpoints (9,000+ resources in a running census) and issues EIP-712 signed, timestamped attestations and delivery receipts. Settlement is receipt-gated: no charge on any failed delivery. Buyers call /api/census/verdict or /api/seller/vet before paying an unknown endpoint; sellers use /api/agent/attest to produce verifiable audit-trail receipts for agent decisions. Public settlement ledger at /api/ledger discloses operator wallets and self-dealing share; attestor public key is published for offline verification; RFC 9116 security.txt in place. Verification 10 $0.001 100.00%12 chk $4 5 BSE
● manifest-audit ◦ Pay-per-call dependency audit for coding agents. POST a package.json, a requirements.txt, or npm and PyPI package lists and get per-package latest version and publish date, whether a pin is behind, license, deprecation or yanked status, weekly npm downloads, and OSV vulnerabilities with severity and first fixed version. Up to 50 packages per call. $0.01 whole manifest; $0.005 npm-only, PyPI-only, vulns-only. USDC on Base via the Coinbase facilitator, x402 v2, no API keys, no LLM. Verification 4 $0.005 100.00%12 chk $0.22 5 BSE / POL / SOL
● BRIJ Travel ◦ Pay-per-call flight search and booking API via x402 (USDC on Solana). Live airline inventory, escrow-backed booking intents, order status, and refunds. No merchant onboarding. Other 5 $0.001 100.00%12 chk $22 10 SOL
● ForgeMesh SEO Authority ◦ SEO authority scores, keyword opportunities, competitor gaps, content briefs, site audits, and internal-link intelligence for agents. Paid per call via x402 USDC on Base. Data 5 $0.005 100.00%12 chk $0.04 5 BSE
● x402 Carbon Retirement API ◦ Retire tokenized carbon credits on Base via Klima Protocol and the Carbonmark marketplace. Discover and quote live carbon supply, build or relay a USDC-paid retirement, and get the public Carbonmark certificate. GET /api/catalog ($0.001 USDC) returns the full endpoint directory plus a live snapshot of the most liquid carbon supply. Blockchain 1 $0.001 100.00%12 chk $0.01 7 BSE
● url2md ◦ JavaScript-rendered pages and upstream x402 toll pass-through: url2md drives a headless browser when a page needs one, and when the page itself charges an x402 toll it quotes toll + 25%, settles your payment first, then pays the origin from its own wallet (cap $0.05 per toll). Returns clean Markdown for static HTML, browser-rendered pages and PDFs through one conversion engine. robots.txt honoured per RFC 9309. $0.005 per call in USDC on Base, no account and no API key. Data 1 $0.005 100.00%12 chk $2 7 BSE
● OpenPay ◦ Live on-chain data about JPYC (the Japanese yen stablecoin) and curated Japan Web3 directories for AI agents, paid per request in USDC on Base via standard x402 (exact scheme, facilitator: Coinbase CDP). Endpoints: JPYC supply by chain, wallet balance, recent transfers, 24-hour network activity, weekly change feeds for JPYC services and Japanese stablecoin payment providers, and sourced directories of Japan Web3 services and JPYC-accepting stores. Facts only, no advice; every directory row has an official source URL and last-verified date. Data 9 $0.002 100.00%11 chk $0.10 8 BSE
● Maha Context Compiler and Deep Context Evaluation ◦ Two bounded x402 APIs on Base/USDC: Context Compiler ($0.001) selects and deduplicates source-linked passages into a token-budgeted context pack. Deep Context Evaluation ($0.01) additionally measures exact retention of caller-labelled evidence spans. Extractive selection and model-neutral token estimates, not factual verification, answer-quality certification or hallucination prevention. Request content is not stored. AI 2 $0.001 100.00%12 chk $22 8 BSE
● NeuroDynamic Audio ◦ English catalogue narration, transcription and authorised private voice cloning for agents. Seven ready voices with free samples: 0.005 USDC per MP3 up to 1,000 characters, no account required. Transcription: 60 seconds for 0.01 USDC. Reviewed private voices: 1,000 characters for 0.01 USDC or up to 2,000 words AND 12,000 characters for 0.05 USDC as one WAV. Introductory pricing on Base, x402 v2. Durable payment recovery and public API instructions. AI 3 $0.005 100.00%11 chk $0.30 6 BSE
● PHION Agent Services ◦ Agent-native verification, payment safety, Search, Enrich, Inference and Intelligence services with free capability resolution, machine-readable schemas, signed evidence and x402 settlement across Base, Polygon, Arbitrum and Solana. Verification 50 $0.001 100.00%12 chk $1 9 ARB / BSE / POL / SOL
● CatalogBot ◦ Pay-per-call text/extract/research helpers for agents. No API key. Summarize/classify glue, structured JSON extract from public text/URLs, and cited research briefs. USDC on Base via x402. AI 3 $0.01 100.00%11 chk $0.67 6 BSE
● ForgeMesh x402 Notary ◦ Cryptographic receipts for AI outputs: signed Ed25519 attestations, sha256 content hashes, Merkle chain-anchoring on Base or Solana. $0.001 per notarization via x402; verification free, no wallet needed. Verification 2 $0.001 100.00%11 chk $0.02 8 BSE
● Scry Wallet Intelligence ✓ x402 Solana wallet intelligence for agents: wallet evidence, funding lineage, private-routing context, Pump.fun cohorts, mint preflight, coverage, freshness, and methodology metadata. Pay-per-request USDC; no API key. Listing is crawl/visibility only — aggregate attestation currently attestation_stale (since 2026-08-05); not a revenue or PMF claim. Data 5 $0.03 100.00%12 chk $3 8 BSE / SOL
● DESK LEAD x402 ◦ Micropay research APIs on BSC/Base via x402 v2 (brief, wallet, pons, micros, high-ticket packs). Free catalog /.well-known/x402.json. PayTo 0x2e882B5f4D97C2acCEb7D68C97582E8c8Dae6f22. No financial advice. Finance 6 $0.01 100.00%11 chk $0.07 5 BSE
● loophole tape ◦ Real-time pump.fun and Robinhood Chain (Pons V2) launch intelligence, paid per request with x402: USDC on Solana or on Base (both settled by Coinbase CDP), USDG on Robinhood Chain, USDT0 on X Layer; ?rail=base|solana|usdg|xlayer puts your network first. A prepaid API key ($2.00) or a $0.10 trial key pays any route for clients with no x402 wallet. 31 MCP tools (8 free) at /mcp. Rug checks for a pump.fun mint from $0.005 (batch of 25 for $0.04) with calibrated probabilities (P(true graduation) at any age, validation tables at /v1/calibration); a one-word verdict with a signed share card ($0.01); screened new launches ranked by graduation odds ($0.01); settled outcome labels by a public rule ($0.001); holders and trade flow for a mint ($0.01 each); full mint risk cards with create-slot bundle and insider shares, creator reputation as knowable at launch; for any other Solana SPL mint a thin card with mint/freeze authority and Token-2022 take/block/tax flags ($0.025). Paste a pump.fun, gmgn, solscan, birdeye or jup.ag link instead of a mint. Robinhood Chain launch, curve and per-trade cards on the exact Pons constant-product model including the per-launch creator tax. Daily bulk datasets ($5.00, parquet). Free: market regime, radar, delayed samples of every paid shape, stats pages, Atom feeds, a public daily track record, OpenAPI, llms.txt, /.well-known/x402. Every number comes from our own capture of the chains, not resold from another API. Data 19 $0.001 100.00%12 chk $0.48 9 BSE / SOL
● Proofivy Library (CryptoSlate + The Phoblographer) ◦ x402 micropayment APIs for publisher content. Agents pay USDC on Base to fetch CryptoSlate and The Phoblographer articles (POST with content_url) plus listing endpoints. Humans stay free on the publisher sites. Content 4 $0.01 100.00%11 chk $2 12 BSE
● AARN Web Content Extraction ◦ Extract clean, LLM-ready Markdown or plain text from up to 5 public webpage URLs. Removes page boilerplate and returns structured per-URL results for AI agents, RAG ingestion, research and summarization. Pay-per-call via x402 on Base using USDC. Data 2 $0.002 100.00%12 chk $0.03 6 BSE
● ForgeMesh Voice ◦ Give your agent a voice: x402 pay-per-call text-to-speech with 20 voices, 10 personas, 31 languages, speed/quality controls and batch audio. From $0.001 per call, USDC on Base. AI 5 $0.001 100.00%11 chk $0.24 11 BSE
● GlianaAI ◦ Pay-per-call AI inference and utility APIs over HTTP 402. Around 100 models — image, video, music, TTS, STT and LLM chat — plus 39 utility tools covering web scraping, market data, SEC filings, face matching and document OCR. No account and no API key: the 402 handshake is the only gate. Settles in USDC on Base and Solana, with BSC and Algorand rails available. AI 29 $0.001 100.00%11 chk $68 10 BSE / SOL
● x402 Swag ◦ Machine-buyable merch store: agents purchase real products (shirts, mugs, stickers) end-to-end with x402 USDC payments on Base. Other 2 $0.001 100.00%11 chk $30 4 BSE
● AgentWork Web Evidence ◦ Webpage text extraction, digital PDF text extraction, and caller-managed website change detection for research and monitoring agents. Synchronous JSON with source URLs, timestamps and SHA-256 hashes. $0.005 USDC per web call on Base ($0.01 Algorand); $0.01 for PDF. No account or API key. HTML/text only, no JavaScript rendering. Data 3 $0.005 100.00%11 chk $0.56 8 BSE
● hlrisk ◦ Real-time Hyperliquid BTC/ETH liquidation risk index built from live on-chain position data: notional at risk if price moves +/-1%/3%/5%, the closest position to liquidation, and current funding rate. Also serves backstop liquidation events, gas price, and other example x402 endpoints. Finance 7 $0.002 100.00%12 chk $16 4 BSE
● Stumble ◦ Watch a public web page and get a signed webhook the moment a condition becomes true (restock, price drop, appointment slot, launch, content change, HTTP status, a new URL in a sitemap, a new item in an RSS, Atom, or JSON feed); a half-cent recheck that says whether a page changed since the hash you hold; timed wakeups; a durable callback inbox for AI agents whose session ends before the world answers. $0.005 to $2.00 per purchase, USDC on Base or Solana, no account. AI 7 $0.005 100.00%12 chk $12 4 BSE / SOL
● Toll402 ◦ The OpenRouter for AI-agent tools: pay per call in USDC via x402 for web reading, PDF, email/fx, provenance (human vs synthetic), trusted lookup with citations, a verified LatAm business directory (100k+ businesses), agent-forged tools and 1,900+ proxied Bazaar services. No accounts, no API keys, charged only on 2xx, free trial without a wallet. AI 9 $0.01 100.00%11 chk $4 8 BSE
● HumanMirror ◦ Machine-payable safety, verification, data-quality and operations APIs for autonomous AI agents over x402 on Base mainnet. AI 5 $0.01 100.00%12 chk $0.12 8 BSE
● SendCheck ◦ Pre-send address verification for stablecoin withdrawals: one paid POST /check ($0.01) parses address + token contract, probes live RPCs and exchanges, and returns a warn-level verdict before you send USDC. POST /deep ($0.05) adds extended checks. Verification 2 $0.01 100.00%12 chk $0.28 9 BSE
● AgentBIT ◦ 13 pay-per-call x402 tools for AI agents on Base (eip155:8453), USDC via CDP facilitator: live web search & extraction, company research & enrichment, counterparty risk screening, email deliverability, FX rates, LEI/company identity, invoice/IBAN validation, utilities — plus a free aggregated x402 discovery API. Machine-readable catalog at /.well-known/x402 and /openapi.json. Data 25 $0.001 100.00%12 chk $5 13 ARB / BSE / POL / SOL
● AgentPay ◦ Budget-capped x402 tools for AI agents: session_create enforces a hard spend cap with receipts; verified_route vets x402 providers by real usage; pre_trade_check is a one-call pre-trade safety verdict. 17 free crypto/market-data tools alongside. USDC on Base (standard x402) and Stellar via SDK. Data 3 $0.01 100.00%12 chk $0.42 17 BSE
● Automaton Colony Flash Audit ◦ AI security screening of smart contracts and B20 native tokens on Base (chain 8453). Pay 3.49 USDC over x402 (EIP-3009, CDP facilitator) and receive a JSON report with its SHA-256 inside; the report hash is anchored on Base at purchase. Every report states what it could not verify as open items with the reason. A free check with no wallet returns observed data only (verified source, proxy, admin selectors, holder concentration, B20 issuer powers). Verification 1 $3.49 100.00%11 chk $8 5 BSE
● x402vid — AI Intelligence for YouTube Videos ◦ YouTube intelligence rail: 18 paid tools ($0.01-$1.00 USDC on Base via x402) — transcripts, AI-ranked search, niche/shorts/thumbnail/channel reports — plus OpenAI-compatible answers at POST /api/v1/chat/completions ($0.05, model x402vid-youtube). Free health_check and video_preview taster. AI 4 $0.01 100.00%12 chk $19 4 BSE
● AGENTUM — APIs Brasil (CNPJ, CEP, Taxas) ◦ 3 APIs brasileiras pagas via x402 (Base mainnet, USDC): verificação de CNPJ (situação cadastral e Simples Nacional), validação de CEP/endereço, e taxas oficiais do Banco Central (Selic, CDI, dólar comercial) — dado público brasileiro agregado, pronto pra um agente de IA consumir numa chamada só. Data 3 $0.01 100.00%11 chk $19 9 BSE
51-100 of 858 services ── filtered: all