x402 List

x402 Protocol Service Directory

All x402 Services

SERVICES ── 575 total ── showing 451-500 ── 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, 24-hour uptime, 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 24H VOL 30D BUYERS 30D NETWORKS
Truth Bear Official-source signals + unified rulers, each record ships record_hash (canonical sha256, recomputable offline; free /gauge/verify to cross-check) - pay-per-call via x402 (USDC on Base, no API key). Sources are official government records and named registries: US federal agencies (USGS, NOAA, NWS, EPA, SEC EDGAR, openFDA, EIA, BLS, FAA, US CBP, USTR, USITC, Federal Register) plus IMF PortWatch, UNFCCC and standards-body feeds. Cryptographic provenance on every paid response: an Ed25519-signed citation (issuer did:key published in the service manifest) makes delivery tamper-evident and auditable offline, with no call back to us. Pure description, no judgement, no prediction; the rest, you decide. GAUGE engine: six forensic lines (stablecoin / AI-tool / AI-dependency / promise / carbon / climate-policy) + environmental / hydrology / air-quality / precipitation / grid / regulatory-filing signals. Free preview + free /verify before you pay. Data 50 $0.005 100.00%48 chk --- --- BSE / SOL
TrafficMonetize BTC Prediction Feed Proprietary BTC 15-minute cycle Kalshi prediction feed — 740 verified trades, 82.7% win rate all-time (84.1% last 7d, 82.8% last 30d). Automated Kalshi trading bot signals delivered via x402 micropayments. Pay USDC on Base mainnet OR Solana mainnet. SSE stream: variable — any multiple of $10 USDC ($1/signal, $10=10 signals up to $1000=1000). Snapshot endpoints: 10.00 USDC each. Free aggregate stats at /api/v1/data-hub/btc/stats. Finance 4 $10.00 100.00%48 chk $0 0 BSE / SOL
ffpipe Video conversion for agents: any video to web-ready MP4 from a source URL or direct upload, $0.05 USDC per job over x402 on Base mainnet. Async with free status polling, 24h result availability, automatic retry vouchers. Remote MCP server at /mcp; discovery at /.well-known/x402 and /openapi.json. Other 1 $0.05 93.75%48 chk --- --- BSE
UHADEV PDF & Data Inspection API Pay-per-call inspection APIs for AI agents: PDF page count/title/text preview (5MB), CSV structure inspection, image inspection, and URL probing. Pay in USDT on Arbitrum via x402; no API key, no signup. Data 6 --- 100.00%48 chk --- --- ARB
sleepfix One sleepfix, 58 seconds. Finds the habit stealing your deep sleep and returns a personalized AI fix. Settles in USDC on Base Sepolia and returns a licence plus a play link. AI 2 --- 93.75%48 chk --- --- BSP (testnet)
x402donghang Agent APIs Pay-per-call agent APIs led by live crypto narrative research: recent X and web evidence, CoinGecko market context, structured JSON, and source URLs. Also provides bilingual context briefs, summarization, and OpenAI-compatible chat. USDC via x402 on Base and Solana; no account or API key. Data 4 $0.01 93.88%49 chk --- --- BSE / SOL
Money AI Autonomous agent producing work to order and delivering it on payment. Ten services. For agents: classify, extract-fields, rewrite ($0.003-0.03, JSON out, sub-second). For humans: website, landing-copy, code-review, sql-query, summary, technical-writing, data-extraction ($0.25-15). No account, no signup, no human in the loop: quote, pay the exact amount, the file is built and returned. USDC on Base via x402 exact (CDP facilitator), with an exact-amount-onchain fallback. AI 1 $0.002 97.92%48 chk --- --- BSE
JarvisClaw AI API gateway settling in USDC on both Base and Solana. 320 models through one OpenAI-compatible endpoint, plus 21 AIP intent types so callers need not know the URL layout. Every paid response carries an EIP-712 signed settlement receipt verifiable offline. AI 5 $0.003 100.00%48 chk --- --- BSE / SOL
TNT House Risk-Data API Solana token risk scoring for AI trading agents: 0-100 safety score, on-chain insider wallet cluster detection via shared first-funder tracing, mint/freeze authority status, holder concentration, live price/liquidity/volume. Finance 1 $0.02 93.75%48 chk $0 0 SOL
Polymarket Signal Detector Polymarket wallet-reputation and insider-signal data, gated by x402: per-wallet reputation lookup, per-market wallet-flow by persona, a free-to-verify signal track record, resolved-signal drill-down, feedback channel, and push-notification signal subscriptions (day/week/month). Finance 8 $0.01 100.00%48 chk --- --- BSE
DopamineDesk x402 Marketplace 78 live pay-per-call data, verification, research, and onchain utility products for autonomous agents and developers. The catalog covers EVM reads, transaction preflight, security checks, market data, public records, commerce intelligence, web research, and deterministic audits. No account or API key is required. Payments use USDC on Base through x402 v2, with machine-readable schemas, bounded previews, provenance, and an MCP adapter. Data 83 $0.001 100.00%49 chk --- --- BSE
agent-reader Two cheap, agent-native utility endpoints paid per call over x402 on Base: POST /extract turns any public URL into clean, LLM-ready Markdown with metadata (title, author, published date, links, word count) for $0.02; POST /repair-json repairs malformed JSON and optionally validates it against a supplied JSON Schema for $0.005. x402 v2, USDC, settled via the Coinbase CDP facilitator. Data 1 $0.005 97.92%48 chk --- --- BSE
x402-farm Pay-per-call data & security tools for AI agents: honeypot / rug-pull token security checks (verdict OK/CAUTION/HIGH_RISK/AVOID, 8 chains), residential-IP web scraping that reaches sites blocking datacenter/cloud IPs (clean markdown), live token & DeFi market data, and global company data (US SEC EDGAR, UK Companies House, FR KYB/SIREN). Each route is a named job at a fixed USDC price. x402 on Base, no account, no API key. Data 6 $0.003 100.00%48 chk --- --- BSE / SOL
Delx Commerce — Intent-First APIs for Agents Intent-first catalog of 41 pay-per-result x402 APIs for image, speech, video, agent operations, website intelligence, trust, security, MCP/x402 audits, and loyalty. Agents can describe an outcome, receive a ranked route, and pay in USDC without an account or subscription. AI 41 $0.001 100.00%49 chk --- --- BSE / SOL
scvd.store — evidence observatory for the x402 economy scvd.store is an evidence observatory for agentic commerce — x402 today, cross-protocol by design. It observes what other people's endpoints, artifacts and payments actually did, signs every observation, and publishes the gaps in its own coverage beside the findings, counted against itself. Nothing here is a score, a rating, or a ranking: every verdict is one dated observation that expires and is re-taken, verifiable offline by anyone, without asking us. Free instruments: a preflight check on any x402 door, a conformance desk for any issuer's signed offers and receipts — including our competitors' — a named defect vocabulary, and a Bitcoin-anchored corpus that appends weekly. Paid instruments: conformance audits, endpoint watches, settlement attestations, launch checks. Verification 15 $0.004 100.00%48 chk --- --- BSE / POL / SOL
asiaref Verified government reference data for 28 Asian countries: central-bank policy rates, VAT/GST, minimum wages, CPI inflation, corporate and personal income tax, and public holidays. Every value is cited to the official gazette, central bank or revenue authority, with effective-from and last-confirmed dates. Data 3 $0.005 95.83%48 chk --- --- BSE
Graded x402 Gateway One MCP endpoint to discover quality-graded x402 services (A-F agent-usability grades, ranked by real 30-day demand) and call them pay-per-use with prepaid credits. The gateway fronts every upstream USDC payment from its own wallet; agents top up 0.10 USDC packs via x402 (fiat coming). Free discovery + REST mirror. Other 3 $0.10 100.00%48 chk $0 0 BSE
x402 Trust Prober Deterministic trust scoring and monitoring for the x402 ecosystem. 88k+ endpoints tracked 24/7 on Base + Solana: probe reliability, latency, spec compliance, price history, and real on-chain USDC settlement per endpoint. Paid API: per-endpoint trust score with live re-probe, bulk scoring tiers (10-500), endpoint history, similar-endpoint discovery, payment tracing, and 30-day watch subscriptions with webhook/Slack alerts. Free: trust preview, leaderboard, ecosystem report, embeddable badges. Scoring is a deterministic formula - no LLM in the loop, fully explainable. Verification 10 $0.005 100.00%48 chk --- --- BSE
Second Opinion Structured second-opinion critique of a claim, plan, or draft output for autonomous agent callers. Checks correctness, risk, completeness, security, and hidden assumptions; every flagged issue includes a concrete suggestion and the matched evidence span, not just a label. Free rate-limited GET/POST /sample lets a buyer preview real output quality before paying. AI 1 $0.02 38.78%49 chk $0 0 BSE
DeFi Signal API Real-time DeFi intelligence from live 24/7 bot infrastructure. Morpho Blue borrower positions, Aave near-liquidation data, PoolTogether draw timing. Pay-per-call in USDC on Base via x402. Data 8 $0.002 100.00%48 chk --- --- BSE
AfriRef - Pan-African government reference data Verified government reference data for 34 African countries: central-bank policy rates, VAT, minimum wages, CPI inflation, corporate and personal income tax, and public holidays. Every value is cited to the official gazette, central bank or revenue authority, with effective-from and last-confirmed dates, and flagged when past its expected update cycle. Data 3 $0.001 97.92%48 chk --- --- BSE
Sirenic French & European company data for AI agents, pay-per-call in USDC or EURC via x402 — company lookup & KYB files, officers, annual accounts & financials, share capital, default-risk scoring, AML sanctions screening, INPI/INSEE documents, e-invoicing supplier checks (France 2026 mandate, Belgium, Poland); official company registries across 12 European countries (Belgium, Switzerland, UK, Norway, Sweden, Czechia, Slovakia, Finland, Poland, Estonia, Latvia, Spanish BORME acts) + worldwide LEI/GLEIF. Ed25519-signed responses, no API key. Data 72 $0.002 100.00%48 chk --- --- BSE
pogo-tb.nl -- Dutch Open Data (RDW/BAG/OV) Dutch open-government data for AI agents via x402 on Base USDC: RDW vehicle records (incl. fuel type + CO2 emissions + APK inspection risk), BAG address and building lookups, OV public-transport departures, postcode search, reverse geocoding, and composite decision packs (vehicle-buy, moving-house). CC0 / CC BY 4.0 licensed sources with attribution in every response. Free /preview routes on every paid endpoint. Disclosed AI-run project. Data 13 $0.001 100.00%48 chk $0 0 BSE
Satoshi Dispatches — Lightning & x402 API Pay-per-call Lightning Network and Bitcoin data API. Invoice decoding, fee estimates, routing queries, real-time node stats. Dual payment: L402 (Lightning sats) or x402 (USDC on Base). From a real mainnet Lightning node — not a proxy, not a wrapper. The node that serves the data is the same one that processes the payment. 10 sats / $0.001 per call for basic endpoints, 50 sats / $0.005 for routing queries. Also hosts 53 written dispatches on Lightning, Bitcoin, and the agent economy — 1 sat / $0.001 per read. Finance 5 $0.001 85.42%48 chk --- --- BSE
Attester: Verification Oracle & Verified Research Independent verification of agent work products: citation-support checks and data/schema validation returning wallet-signed attestations (EIP-191), plus cited coding research that ships pre-verified with a signed attestation over its citations. Deterministic API-existence oracle for PyPI and npm: package existence, symbol existence, signatures, and version diffs built from real published artifacts. MCP server integrity: pin a server tool manifest, then check for drift or get a signed drift history. USDC on Base mainnet via CDP facilitator. Free keyless oracle tier (25 calls/day), free receipt verification, machine-readable policy, llms.txt + OpenAPI. AI 11 $0.002 100.00%48 chk --- --- BSE
AInalystimported Paid HTTP 402 endpoint on Base from ainalyst-api.xyz. GET /click returns a response behind an x402 paywall. Other 1 $0.01 95.83%48 chk $0 0 BSE
LoneStarOracle WhaleAlertimported Returns large on-chain transfers on Base and Ethereum above a chosen USD threshold, over a lookback window of up to 24 hours, with wallet labels and explorer links. Data 1 $0.05 97.92%48 chk --- --- BSE / SOL
IPIntel.ai x402 Toolsimported Pay-per-call x402 API package on Base: satellite observation from coordinates using Sentinel/Copernicus imagery, plus DNS, WHOIS, reverse DNS, domain health and availability, IP lookup, email validation and HTTP latency checks. Prices from $0.001 to $0.09 per call. Data 10 $0.001 100.00%48 chk --- --- BSE
Apiosk Gatewayimported Pay-per-call API gateway on x402. Routes requests to about 67 third-party and federated APIs covering weather, finance, IP data, transcription and search, settling in USDC on Base with no accounts or API keys. Endpoint prices range from about 0.02 to 0.83 USD. AI 10 $0.023 100.00%48 chk --- --- BSE
x402nodeimported Pay-per-call API with more than 500 endpoints on a single host: exchange rates, crypto and stock prices, on-chain and DeFi data, commodities, text and web utilities. x402 payment in USDC on Base and Solana, full catalog at /openapi.json. Data 10 $0.004 100.00%48 chk --- --- BSE / SOL
Stock Trends Market Intelligenceimported Per-request paid API exposing weekly Stock Trends data for North American equities and ETFs: prices, trend indicators, market regime, screener, leadership rotation and history. Priced from $0.0025 to $0.50 per call in USDC on Base. Finance 10 $0.0025 100.00%48 chk --- --- BSE
ReadXimported Public X/Twitter data as read-only JSON: profiles, timelines, single tweets and conversations, search, hashtags, lists, followers and following. Paid per single call via x402, $0.01 in USDC on Base or Solana, with no API key or registration. Data 10 $0.01 100.00%48 chk --- --- BSE / SOL
Agent402.toolsimported Catalog of pay-per-call HTTP tools for AI agents: web search, browser rendering, PDF and OCR, crypto and stock data, SEC EDGAR filings, plus an OpenAI compatible LLM gateway. Paid in USDC via x402 on Base and other chains, with some tools available free through proof of work. AI 10 $0.005 97.92%48 chk --- --- ARB / AVX / BSE / POL / SOL
PayAPI Market Weather Data APIimported Weather API returning current conditions, forecasts up to 16 days, historical data and air quality for any location worldwide, backed by Open-Meteo data, at $0.001 per call in USDC on Base. Data 1 $0.001 97.92%48 chk --- --- BSE
StableTravelimported Pay-per-request travel API for flight search, award seat availability, hotels, activities, transfers and flight tracking, built on Amadeus, Seats.aero, SerpAPI and FlightAware. No account or API key required. Data 10 $0.0054 100.00%48 chk --- --- BSE / SOL
BlockRunimported x402 gateway giving pay-per-call access to LLM inference, web search, prediction market data and crypto data, paid in USDC on Base with no account or API key. AI 10 $0.003 100.00%48 chk --- --- BSE
Tavily Searchimported Web search API for AI agents. POST /search returns ranked results, an optional generated answer, raw page content and images. Search depth is always advanced. $0.01 per call in USDC on Base, no API key or account required. AI 1 $0.01 97.92%48 chk $0 0 BSE
Toolcall Keyless pay-per-call APIs for AI agents: 30 tools across compliance (sanctions/AML, HS codes, company/VAT), safety (chemical, FDA drug/device, product recalls), web (search, reader, screenshot, tech-stack), and data (SEC financials, electronic parts, jobs, local places). Pay per call with USDC on Base via x402. No account, no API key. Data 8 $0.008 100.00%49 chk --- --- BSE
AgentFeed Real-time crypto and sports trading data for AI agents, paid per call in USDC via x402 on Solana and Base. No API keys, no accounts, no subscriptions. Records every liquidation across ~600 USDT perpetuals on Bybit, OKX and Binance — including Bybit's allLiquidation, the only complete unthrottled public liquidation stream among the major perp venues — and detects cascades in real time. Also serves sharp-money detection on World Cup betting odds, long/short positioning, open interest, funding rates, Pyth prices, and Solana token rug-risk checks. 18 tools over REST and MCP. Data 15 $0.001 100.00%48 chk --- --- BSE / SOL
NewsMesh Real-time news API for AI agents. Search and filter articles from thousands of global sources. Data 4 $0.01 100.00%48 chk $0 0 BSE
HyperNatt Terminal HyperNatt Terminal for AI agents: multi-crypto liquidation radar (magnet, OI, clusters) + Li.Fi cross-chain swap. MCP surface = 3 tools v2.7.0 (get_agent_manifest, get_liq_radar, swap_via_nattswap). Whitelist BTC ETH SOL BNB XRP HYPE ZEC. Free: get_agent_manifest. Paid: get_liq_radar $0.001 USDC/call via x402 on Base+Solana. Swap free at MCP layer (you sign). Read-only, not trade advice. No custody. MCP: https://hypernatt.com/mcp/protocol | github.com/DIALLOUBE-RESEARCH/hypernatt-terminal Finance 6 $0.001 100.00%48 chk --- --- BSE / SOL
Aviation x402 Real-time aviation data including flight tracking, airport information, aircraft types, and aviation weather. Pay-per-request via x402 micropayments. Data 3 $0.00175 100.00%48 chk $0 ·sh 0 ARB / AVX / BSE / POL
PayPerByte Verify-before-act oracles for x402 agents. 10 live feeds; flagship merchant-screen $0.10/verdict — signed ALLOW/WARN/BLOCK on the domain, address and price you supply, with an EIP-712 attestation over the exact response bytes (authenticity, not correctness). Cheap try-it feeds from $0.003. Verification 22 $0.003 100.00%48 chk --- --- BSE
agentutility Pay-per-call API catalog for AI agents - hundreds of x402 endpoints (PDF/document conversion, web scraping, transcription, image and video generation, on-chain and finance data, dev tools) payable in USDC on Base and Solana. No signup or API key; each endpoint advertises its own schema and price. AI 9 $0.002 100.00%49 chk --- --- BSE / SOL
Invoket The checks AI agents run before they act: verify IBANs and screen sanctions before paying, phone lines before messaging, FR/EU laws in force before advising, weather before deciding, VINs and recalls before buying. Official sources (EPC, OFAC/EU/UN, LEGI/EUR-Lex, ERA5/GFS, NHTSA vPIC), provenance in every response. You only pay for answers. Data 68 $0.001 100.00%48 chk --- --- BSE / SOL
Greenwood Financial Intelligence Real-time SEC EDGAR insider trading signals, congressional STOCK Act disclosures, FEC political contribution monitoring, and compound signals — cross-referenced and scored. Pay per query via x402 on Base mainnet. No subscriptions, no API keys. Finance 7 $0.002 97.96%49 chk $0 0 BSE
AsterPay Trust, discovery and EUR settlement layer for AI agent payments. KYA agent trust scoring (0-100) with sanctions screening and ERC-8004 identity, x402 micropayments, crypto/market analytics, and USDC to EUR SEPA Instant settlement aligned with MiCA. Finance 3 $0.001 100.00%48 chk --- --- ARB / BSE / POL
MadeOnSol MadeOnSol delivers real-time Solana memecoin intelligence via x402 micropayments — pay per request in USDC on Solana, no API keys or subscriptions. Endpoints cover a live KOL wallet trade feed (1,000+ tracked wallets), KOL convergence/coordination signals, PnL leaderboards, trading pairs, hot & trending tokens, and Pump.fun deployer alerts. Each call returns structured JSON with KOL identity, token details, and on-chain enrichment. Data 7 $0.005 100.00%48 chk $0 0 SOL
websearch Obscura headless browser through a custom Rust API. ~100ms results. $0.01 Data 5 $0.01 100.00%48 chk $0 0 BSE
AgentMail API-first email inboxes for AI agents. Full SDK surface is payment-gated: inboxes, messages, threads, attachments, websockets. AI 1 $2.00 98.46%130 chk --- --- AVX / BSE / POL / SOL
451-500 of 575 services ── filtered: all