x402watch

19,848 paid endpoints are listed. 19,062 answered a real 402 at the last check.

Every x402 endpoint on the Coinbase Bazaar and x402scan, probed unpaid every six hours. A listing tells you the price a seller wrote down. This tells you whether the endpoint is reachable, whether it charges what it declared, and how fast it answers. Ranked by an assay score out of 100.

Last check 2026-10-01 13:23 UTC · 19,848 probed

19,062 answering 402233 down426 rejecting127 no paywall2,385 price drift
  1. 100phion.systems/v1/paid/transaction-recoveryClassify a failed agent transaction and produce a signed, machine-readable recovery claim and deterministic remedy plan$0.01 Base34 ms1 payers100% up
  2. 100api.signalfuse.co/v1/arena/ema_5_breakout/SOLIndividual arena strategy signal$0.001 Base48 ms1 payers100% up
  3. 100api.signalfuse.co/v1/arena/ema_5_breakout/DOGEIndividual arena strategy signal$0.001 Base76 ms1 payers100% up
  4. 100api.signalfuse.co/v1/arena/ema_5_breakout/ETHIndividual arena strategy signal$0.001 Base78 ms1 payers100% up
  5. 100signal-engine-production-d88d.up.railway.app/v1/arena/rsi_7_extremes/DOGEIndividual arena strategy signal$0.001 Base95 ms1 payers100% up
  6. 100signal-engine-production-d88d.up.railway.app/v1/arena/ema_5_breakout/DOGEIndividual arena strategy signal$0.001 Base51 ms1 payers100% up
  7. 100market.datapackvibe.com/x402/web-research-papers-small-businessResearch paper search for Small business: Find public research papers and institutional summaries. Focus: small business. Uses live DuckDuckGo search results.$0.01 Base174 ms0 payers100% up
  8. 98api.loyalspark.online/x402-gateway/recipient-api/accept-offerOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.$0.01 Base127 ms16 payers97% up
  9. 98api.loyalspark.online/x402-gateway/analyticsOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.$0.005 Base129 ms15 payers97% up
  10. 98api.loyalspark.online/x402-gateway/customersOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.$0.002 Base120 ms15 payers97% up
  11. 98api.loyalspark.online/x402-gateway/recipient-api/redeem-rewardOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.$0.01 Base137 ms14 payers97% up
  12. 98api.loyalspark.online/x402-gateway/register-programOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.$0.01 Base225 ms14 payers97% up
  13. 98api.loyalspark.online/x402-gateway/recipient-api/cancel-offerOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.$0.005 Base125 ms13 payers97% up
  14. 98api.loyalspark.online/x402-gateway/transferOnchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month; every call is scoped by row-level security to the wallet behind the API key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.$0.005 Base145 ms12 payers97% up
  15. 98api.nansen.ai/api/v1/smart-money/netflowGet Smart Money Netflow Data$0.05 Base87 ms11 payers97% up
  16. 98api.nansen.ai/api/v1/smart-money/holdingsGet Smart Money Holdings Data$0.05 Base83 ms10 payers97% up
  17. 98x402.ottoai.services/pm-marketsTop Polymarket prediction markets RIGHT NOW: the 25 highest-volume open markets with live odds (outcome probabilities), best bid/ask, spread, last trade price, 24h + total volume, liquidity, 1d/7d price change, end date and event link. Flat JSON, refreshed every 5 minutes. Prediction market odds, Polymarket data, event probabilities, market sentiment. $0.001 per call.$0.001 Base212 ms9 payers97% up
  18. 98api.nansen.ai/api/v1/tgm/flow-intelligenceGet "Token God Mode" (TGM) flow intelligence data$0.01 Base88 ms9 payers97% up
  19. 98netintel.dev/dns/lookupDNS lookup for any domain — resolve A, AAAA, MX, TXT, NS, CNAME, SOA and PTR records in one call, with SPF and DMARC parsed from TXT.$0.002 Base91 ms9 payers97% up
  20. 98crypto.apitoll.cloud/v1/crypto/globalA snapshot of the total crypto market: aggregate market capitalization in USD, 24-hour trading volume, Bitcoin and Ethereum dominance percentages, 24h market-cap change, and the number of active cryptocurrencies and markets. The macro view in one call. Sourced from CoinGecko.$0.001 Base138 ms8 payers97% up
  21. 98netintel.dev/crypto/marketStructured live crypto market data for ~50 top assets in one JSON call: spot price and 24h open/high/low/volume/change (Coinbase Exchange) plus market cap, rank and circulating/total/max supply (CoinGecko). Quote in USD, EUR or GBP; defaults symbol=BTC vs=USD, so a bare call returns Bitcoin. 60s cache, keyless upstreams — the purpose-built replacement for scraping exchange price pages.$0.005 Base108 ms8 payers97% up
  22. 98agent.pocket.network/v1/prompt-injection-detectClassify agent-bound text for prompt injection: a safe, suspicious, or malicious verdict with the patterns that matched. POST /v1/prompt with {text} and get the classification as one JSON object. Deterministic per ruleset version. Pay per request in USDC; no account, no API key.$0.005 Base141 ms7 payers97% up
  23. 98crypto.apitoll.cloud/v1/crypto/sentimentThe Crypto Fear & Greed index: the current market-sentiment score (0–100) and its classification (Extreme Fear → Extreme Greed), plus optional daily history. A widely-watched contrarian signal for crypto market timing. Sourced from Alternative.me.$0.001 Base130 ms6 payers97% up
  24. 98x402.ottoai.services/equity-newsLatest company news for a vendor-resolved equity: licensed Finnhub headlines from the trailing seven days with publication time, source, and summary. Only articles that name the company are served — labelled `primary` when the headline names it, `mentioned` when only the summary does — so a symbol-tagged story about another company never fills the list. Redirect URLs withheld; no sentiment is fabricated.$0.003 Base178 ms6 payers97% up
  25. 98glim.sh/api/v1/github/getFetch GitHub data from a ref (repo + README, files, commits, PRs, issues, discussions)$0.002 Solana142 ms5 payers97% up
  26. 98lionx402.com/api/x402/company-researchCompany research / org enrich / firmographics for AI agents. KYB vendor intel by domain or name: employees, country, industry, website, domain trust. $0.03 keyless Base USDC. Use before people enrichment. ?q=stripe.com$0.03 Base247 ms5 payers97% up
  27. 98agentres.dev/api/bookBook a paid Resy reservation for the authenticated user using a slot config token.$0.01 Base119 ms5 payers97% up
  28. 98agent.pocket.network/v1/fund-etf-holdingsFund and ETF portfolio composition from N-PORT and N-MFP filings. POST /v1/fund with a {query} naming a fund and get its filings and holdings as one JSON object. Deterministic per filing cycle. Pay per request in USDC; no account, no API key.$0.005 Base141 ms5 payers97% up
  29. 98api.kadec0.xyz/v1/hackernewsHacker News feed. Top, new, and best front-page stories plus full-text story search — titles, scores, comment counts, and author for tech and startup news.$0.01 Base94 ms4 payers97% up
  30. 98glim.sh/api/v1/twitter/getFetch a tweet (with thread context) by URL/id or a user (with recent tweets) from one URL$0.005 Solana162 ms4 payers97% up
  31. 98glim.sh/api/v1/inference/v1/chat/completionsLLM chat completion (OpenAI-compatible, streaming supported)$0.0054 Solana146 ms4 payers97% up
  32. 98rubric-protocol.com/v1/x402/attested-verificationAttested verification-event custody: seal the fact that an identity/liveness/KYC check ran, its method, provider, and result — without the subject's identity ever reaching Rubric. Caller submits an opaque subjectRef (hash it client-side); the sealed record binds event to outcome, ML-DSA-65 signed and Hedera-anchored. Prove a verification happened and what it said, forever, to anyone.$0.005 Base45 ms4 payers97% up
  33. 98dns.use.x402atlas.com/aDNS A record lookup — resolve any hostname or domain to its IPv4 addresses, returned as a clean JSON list. For host resolution, connectivity and uptime checks, IP-reputation enrichment and infrastructure mapping.$0.005 Base40 ms4 payers97% up
  34. 98rubric-protocol.com/v1/x402/attested-inferenceAttested LLM inference: gpt-4o-mini chat completion plus a post-quantum signed, Hedera-anchored attestation binding the prompt hash, response hash, exact model version, and timestamp. Evidence of which model said what, when — for agents whose decisions may be questioned later.$0.01 Base43 ms4 payers97% up
  35. 98hyperliquid-accounts.use.x402atlas.com/stateA Hyperliquid account's perpetuals state — open positions, margin summary and withdrawable balance, for any 0x address.$0.01 Base52 ms4 payers97% up
  36. 98api.kadec0.xyz/v1/author-searchAuthor and researcher profile search. An author name returns matching researchers with current affiliation, publication count, total citations, h-index and i10-index, and their most-cited papers — for author lookup, disambiguation, and citation-metrics. Keyless via OpenAlex.$0.02 Base82 ms4 payers97% up
  37. 98dns.use.x402atlas.com/rdapRDAP domain registration lookup: structured registrar, creation/updated/expiry dates, status, nameservers and a computed domain age. A parsed, snake_case JSON alternative to raw WHOIS text.$0.005 Base68 ms4 payers97% up
  38. 98kronossignals.com/api/v1/volatility/btcRealized volatility for 16 crypto assets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT): 7-day, 30-day, and 90-day annualized realized vol using three estimators (close-to-close, Parkinson, Garman-Klass) from Binance daily OHLC closed candles only. Essential for risk management, position sizing, and options pricing. Pay-per-call via x402.$0.02 Base140 ms4 payers97% up
  39. 98netintel.dev/gas/priceLive gas prices across Base, Ethereum, Arbitrum, Optimism, and Polygon with USD cost estimates for a transfer, an ERC-20 send, and a swap — keyless, one call, all chains. Per chain: gas price + EIP-1559 base/priority fee in gwei, native-token USD price, 15s cache. L2 figures are execution-gas only (L1 data fee excluded, flagged in findings).$0.002 Base250 ms4 payers97% up
  40. 98flat-rate-llm.kikoribera03.workers.dev/v1/ai/imageGenerates a 1024x1024 JPEG from a text prompt with FLUX.1 [schnell] in about 2 seconds. Returns a hosted image URL valid for 24 hours that you can hand straight to the next tool; add inline=true to also get the base64. Choose 1-8 diffusion steps (default 4). You are only charged if the image is delivered. No API key, no account.$0.02 Base286 ms4 payers97% up
  41. 98minia2a.uk/x402/mathminia2a service: x402-math$0.01 Base160 ms4 payers97% up
  42. 98api.kadec0.xyz/v1/email-validateEmail validation and email list cleaning. Checks each email address for RFC syntax, a live MX record lookup returning the real mail hosts, disposable-domain detection, role-account flags (info@, sales@, noreply@), and a free-provider flag, rolled into a per-address ok/risky/invalid verdict with reasons. Batch up to 25 email addresses per call. Domain-level DNS only, no SMTP mailbox probe. Keyless.$0.03 Base82 ms3 payers97% up
  43. 98api.kadec0.xyz/v1/trending-coinsTrending crypto coins. The coins most searched on CoinGecko right now, with rank, price, and market-cap rank.$0.01 Base98 ms3 payers97% up
  44. 98ffpipe.dev/v1/framesExtract still frames from any video as JPEG, WebP or PNG: sample many for a vision model, or grab one frame at a given timestamp (a thumbnail/poster/screenshot). Modes: every frame, every Nth, a rate in seconds, keyframes, N evenly spaced, or exact timestamps. One frame at 5s: mode=timestamps, timestamps=[5], format=jpeg. Up to 1000 frames/job; result is a manifest of frames with timestamps and download URLs, kept 24h. USDC over x402; no account; input <=100 MB.$0.01 Base30 ms3 payers97% up
  45. 98crypto.apitoll.cloud/v1/crypto/chartHistorical token price time series by ticker symbol, CoinGecko id, or chain:address (BTC, ETH, SOL, or base:0x…): a dated array of prices for up to 20 coins, with selectable span (number of points) and period (1d, 1h, 1w). For charting, backtesting, and trend analysis. Pairs with /v1/crypto/price for the live spot. Sourced from DefiLlama.$0.001 Base136 ms3 payers97% up
  46. 98hotels.use.x402atlas.com/searchHotel search — find hotels & vacation rentals anywhere by destination with live nightly rates, star class, guest ratings, amenities, photos & coordinates as clean JSON.$0.05 Base96 ms3 payers97% up
  47. 98rubric-protocol.com/v1/x402/decision-reviewAttested policy evaluation: submit a proposed agent action, its context, and the policy it must satisfy. Returns a verdict, reasoning and the clauses applied, binding hashes of all three inputs into an ML-DSA-65 signed, Hedera-anchored record.$0.10 Base50 ms3 payers97% up
  48. 98api.solenrich.com/entrypoints/enrich-wallet-light/invokeSOL balance, token holdings, NFT breakdown (collected vs compressed airdrops vs suspected spam, with a per-collection list), labels (including behavioral flags: regular_intervals, high_frequency, 24_7_active, repetitive_actions — algorithmic signals from tx timing that indicate automated activity), risk score. Fast and cheap.$0.002 Solana81 ms3 payers97% up
  49. 98minifetch.com/api/v1/x402/extract/url-previewExtracts all fields used for a page's share previews: the lightweight cards that represent the page on social platforms, chat apps, and AI. Obeys robots.txt. Supports GET & POST$0.002 Base69 ms3 payers97% up
  50. 98coingecko.use.x402atlas.com/ohlcOHLC candlestick data for crypto — daily open/high/low/close candles over 1-365 days for any coin by CoinGecko id, chart-ready.$0.005 Base53 ms3 payers97% up
  51. 98tools.ipintel.ai/http-latencyHTTP Latency Check API. Measure HTTP response latency for a URL from the Cloudflare Worker edge. Returns status code, latency, redirect, content type and edge location metadata. Useful for uptime checks, API diagnostics and website monitoring. Paid per call via x402.$0.001 Base261 ms3 payers97% up
  52. 98api.oblique.markets/api/v1/paid/summarizeUse when an agent needs summarize. Returns Summarize text as bullet points, a paragraph, or a single line — deterministic flash-model summarization with hard input/output caps. $0.008.$0.008 Base24 ms3 payers97% up
  53. 98x402.ottoai.services/yield-recommendationsBest-available stablecoin yield deposit options: the highest-APY lending venue per stablecoin (USDC / USDT / DAI …), read directly on-chain from Aave / Morpho / Compound across supported chains, with APY basis, liquidity profile, reward-completeness and TVL. Returns the best available options (not yet personalized to a specific wallet's holdings).$0.001 Base200 ms3 payers97% up
  54. 98api.nansen.ai/api/v1/nansen-score/top-tokensGet Nansen Score Top Tokens$0.01 Base268 ms3 payers97% up
  55. 98netintel.dev/classifyClassify text into your own categories — zero-shot: supply 2–20 labels and Claude Haiku returns the best-matching category with confidence and per-label scores. Route, tag, triage, and detect intent or topic with your own taxonomy in one call.$0.005 Base106 ms3 payers97% up
  56. 98netintel.dev/schema-parse/extractExtract structured data from any unstructured text into your own JSON Schema — structured-data / information extraction, text-to-JSON, LLM data enrichment. You supply the schema; the LLM returns a matching object. Works for contacts, invoices, events, product specs, medical records, legal clauses, resumes — any shape. Returns the extracted object plus token usage; unfound fields are omitted or null.$0.01 Base148 ms3 payers97% up
  57. 98api.nansen.ai/api/v1/profiler/perp-pnl-summaryGet Hyperliquid Perp PnL Summary$0.01 Base83 ms3 payers97% up
  58. 98vaaya.ai/api/run/tavily/extractTavily — extract clean page content (JS handled) from up to 5 URLs you already have, in one 1¢ call. Pass `urls` (array, ≤5); optional `format` (markdown default | text). For bigger batches make multiple calls. Alternative to exa/contents (0.1¢/url, no JS) and firecrawl/scrape (1¢/url, full rendering).$0.01 Base167 ms3 payers97% up
  59. 98agent402.tools/v1/images/proHigher-fidelity text-to-image over x402 - OpenAI images wire (prompt in, inline base64 out) at $0.05 per picture. Served by FLUX.2 Pro (about 9 seconds per image, 1024x1024 JPEG) with Qwen Image 3 at 1K as the failover. n locked to 1, text-to-image only, size and quality fixed. Point any OpenAI SDK's images.generate() at base_url https://agent402.tools/v1 and call /images/pro.$0.05 Base114 ms3 payers97% up
  60. 98api.agentstools.dev/priceOn-chain USD spot price for 50+ assets from Chainlink feeds or the most-liquid Base DEX pool (computed from public chain state): crypto majors, stablecoins, Base-native tokens, forex currencies and precious metals.$0.01 Base184 ms3 payers97% up
  61. 98flat-rate-llm.kikoribera03.workers.dev/v1/fx/convertConverts an amount between any two of the ~30 currencies in the European Central Bank's official reference rates, on today's publication or on a past date within the last 90 days. Returns the rate used, its publication date and whether it was crossed through the euro. This is the auditable rate accounting and customs ask for, not a live market quote: it is published once a day and it is reproducible.$0.005 Base72 ms3 payers97% up
  62. 98agent.pocket.network/v1/entity-registrationVerify SAM.gov entity registrations: UEI, legal name, registration status, and expiration. POST /v1/entity with a {name} (or UEI) and get the matching records as one JSON object. Deterministic per record. Pay per request in USDC; no account, no API key.$0.005 Base141 ms3 payers97% up
  63. 98agent.pocket.network/v1/insider-transactionsSEC Form 3, 4, and 5 insider transactions: filer, issuer, transaction date, shares, price, and role. POST /v1/insider with a {cik} and optional limit and get the filings back as one JSON object. Deterministic per filing. Pay per request in USDC; no account, no API key.$0.005 Base142 ms3 payers97% up
  64. 98agent.pocket.network/v1/debarment-exclusionScreen for SAM.gov exclusions: excluded parties by name, UEI, or CAGE with termination dates. POST /v1/debarment with a {name} and get matches and the lists checked as one JSON object. Deterministic per daily cache. Pay per request in USDC; no account, no API key.$0.005 Base139 ms3 payers97% up
  65. 98agent.pocket.network/v1/opbnbRead-only JSON-RPC access to opBNB, the OP-Stack L2 on BNB Chain, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base141 ms3 payers97% up
  66. 98agent.pocket.network/v1/rerankingCross-encoder reranking of retrieved documents by relevance to a query, at fixed model precision. POST /v1/reranking with {query, documents} and get the reordered ranking as one JSON object. Deterministic. Pay per request in USDC; no account, no API key.$0.005 Base143 ms3 payers97% up
  67. 98agent.pocket.network/v1/kaiaRead-only JSON-RPC access to Kaia mainnet, the Klaytn and Finschia merged chain, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base138 ms3 payers97% up
  68. 98agent.pocket.network/v1/scrollRead-only JSON-RPC access to Scroll, the zkEVM rollup on Ethereum, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base142 ms3 payers97% up
  69. 98agent.pocket.network/v1/treasury-fiscal-dataUS Treasury yields, debt, and fiscal series as stable JSON from FiscalData. POST /v1/treasury with a {series} (e.g. debt_to_penny) and get the observations as one JSON object. Deterministic per data vintage. Pay per request in USDC; no account, no API key.$0.005 Base139 ms3 payers97% up
  70. 98agent.pocket.network/v1/sanctions-watchlist-screenScreen a name against OFAC SDN plus the EU, UN, and UK consolidated lists with fuzzy matching and confidence scores. POST /v1/ofac with a {name} and get matches and the lists checked as one JSON object. Deterministic per daily cache. Pay per request in USDC; no account, no API key.$0.005 Base145 ms3 payers97% up
  71. 98agent.pocket.network/v1/ethRead-only JSON-RPC access to Ethereum mainnet, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base141 ms3 payers97% up
  72. 98agent.pocket.network/v1/federal-contract-oppsSearch live federal contract opportunities from SAM.gov: solicitations, set-asides, and deadlines. POST /v1/federal with a {query} and get matching opportunities as one JSON object. Deterministic per notice. Pay per request in USDC; no account, no API key.$0.005 Base143 ms3 payers97% up
  73. 98agent.pocket.network/v1/moonbeamRead-only JSON-RPC access to Moonbeam, the EVM parachain on Polkadot, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base142 ms3 payers97% up
  74. 98agent.pocket.network/v1/lineaRead-only JSON-RPC access to Linea, the ZK rollup by Consensys, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base141 ms3 payers97% up
  75. 98agent.pocket.network/v1/unichainRead-only JSON-RPC access to Unichain, the OP-Stack L2 by Uniswap, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base144 ms3 payers97% up
  76. 98agent.pocket.network/v1/token-metadataCanonical token metadata across 6 EVM chains: symbol, decimals, name, logo, and token-list provenance. POST /v1/token with {address, chain_id} and get one JSON object back. Deterministic per token-list vintage. Pay per request in USDC; no account, no API key.$0.005 Base142 ms3 payers97% up
  77. 98agent.pocket.network/v1/taikoRead-only JSON-RPC access to Taiko Alethia, the based rollup on Ethereum, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base140 ms3 payers97% up
  78. 98agent.pocket.network/v1/sec-holdingsSEC 13F institutional positions by filer and quarter: issuer, CUSIP, USD value, and share count. POST /v1/sec with a filer {company_ticker} (or CIK) and get the holdings as one JSON object. Deterministic per filing cycle. Pay per request in USDC; no account, no API key.$0.005 Base141 ms3 payers97% up
  79. 98agent.pocket.network/v1/rate-benchmarksSOFR, Fed funds, and other benchmark interest-rate series as stable JSON. POST /v1/rate with an optional series selector and get the observations back as one JSON object. Deterministic per data vintage. Pay per request in USDC; no account, no API key.$0.005 Base143 ms3 payers97% up
  80. 98agent.pocket.network/v1/opRead-only JSON-RPC access to OP Mainnet, the Optimism L2, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base139 ms3 payers97% up
  81. 98agent.pocket.network/v1/fdaFDA drug labeling sections and FAERS adverse-event aggregates in agent-consumable JSON. POST /v1/fda with a {drug} and get label highlights and adverse-event counts as one JSON object. Deterministic per cached dataset. Pay per request in USDC; no account, no API key.$0.005 Base141 ms3 payers97% up
  82. 98agent.pocket.network/v1/enforcement-actionsSearch SEC, CFTC, and DOJ enforcement actions: parties, dates, violations, and orders. POST /v1/enforcement with a {query} and get matching records as one JSON object. Deterministic per release. Pay per request in USDC; no account, no API key.$0.005 Base141 ms3 payers97% up
  83. 98agent.pocket.network/v1/chain-simulationPre-sign EVM transaction simulation: an eth_call with state overrides previewing the revert reason and asset deltas before you sign. POST /v1/chain with the call {to, data, ...} and get the outcome as one JSON object. Deterministic per state instant. Pay per request in USDC; no account, no API key.$0.005 Base143 ms3 payers97% up
  84. 98agent.pocket.network/v1/celoRead-only JSON-RPC access to Celo mainnet, now an OP-Stack L2, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base142 ms3 payers97% up
  85. 98agent.pocket.network/v1/avaxRead-only JSON-RPC access to the Avalanche C-Chain, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.$0.005 Base139 ms3 payers97% up
  86. 98enclave402.com/api/census/verdictPre-spend check from the seller census: each Bazaar-indexed resource is re-probed periodically (liveness, 402-envelope compliance, declared output schema, latency, usage) and mapped to pay | caution | avoid with an EIP-712 signature a router checks offline. Query one resource, a payTo, or page the feed by verdict. MUST be invoked before dispatching to an unknown seller. Do NOT use to probe on demand (see /api/seller/vet). Settles $0.002 USDC; no charge on failure.$0.002 Basedown3 payers97% up
  87. 98api.kadec0.xyz/v1/domain-infoDomain WHOIS and DNS lookup. Registrar, creation and expiry dates, nameservers, and full DNS records (A, AAAA, MX, NS, TXT, CNAME) for a domain.$0.02 Base84 ms2 payers97% up
  88. 98api.kadec0.xyz/v1/stablecoinsStablecoin supply data. Returns circulating supply for stablecoins broken down across chains via DefiLlama, filterable by peg type and by collateral mechanism, so you can compare fiat-backed against crypto-backed and algorithmic stablecoins. For stablecoin market share, depeg watch, and chain-level supply tracking. Keyless.$0.02 Base95 ms2 payers97% up
  89. 98api.stelardigital.com/pricecheckCurrent price, 24h and 7d percent change, and a bullish/bearish/neutral signal for a crypto asset (SOL, BTC, ETH, XRP, DOGE, LTC, ADA, XLM). For agents needing a fast price-and-momentum check before a trade decision. Optional ?candles=N (up to 30, $0.05) adds N closed daily OHLC candles.$0.005 Base89 ms2 payers97% up
  90. 98api.solenrich.com/entrypoints/consensus-signal/invokeWhat tokens or wallets are being queried by other agents right now. Derived from SolEnrich's own query stream — not market volume. Two modes: pass `address` for that entity's rank/percentile/trend; omit it for the top-N most-queried entities in the window. Windows: 1h, 6h, 24h. Unique data — only available because we serve agents directly.$0.005 Solana99 ms2 payers97% up
  91. 98api.solenrich.com/entrypoints/portfolio-history/invokeDaily portfolio snapshots (value, SOL balance, token count, risk score) for a wallet over 7/14/30 days, plus summary stats: peak, trough, max drawdown, average value, change vs period start. Designed for charting and PnL tracking; complements wallet-history which returns two-point deltas. Today's live point is appended automatically.$0.006 Solana166 ms2 payers97% up
  92. 98marketdata.use.x402atlas.com/newsRecent news articles for a ticker with per-ticker sentiment analysis — market sentiment and research primitive.$0.015 Base64 ms2 payers97% up
  93. 98holidays.use.x402atlas.com/add-business-daysAdd business days while skipping weekends and full-day Public or Bank holidays; Optional and HalfDay observances are retained.$0.005 Base52 ms2 payers97% up
  94. 98agent.massive.com/stocks/filings/vX/form-3SEC Form 3 filings reporting initial statements of beneficial ownership of securities. Filed by corporate insiders (directors, officers, and 10%+ shareholders) when they first acquire a position. Can't find what you're looking for? POST feedback to /feedback, no charge.$0.01 Base250 ms2 payers97% up
  95. 98api.anchor-x402.com/v1/screenIs this address safe to pay? Screen a wallet address before you pay or send funds to it: an OFAC SDN sanctions check of the address plus address reputation (drainer, phishing, mixer, money laundering) for EVM and Solana. Returns one verdict to branch on (allow, review, or block) with a 0-100 risk score and per-signal evidence. AML / KYT counterparty check for x402 payments. $0.02 USDC.$0.02 Base213 ms2 payers97% up
  96. 98api.brazilayer.com/v1/cnpj/empresa/:cnpj/sociosPartners and shareholders (socios) of a Brazilian company from the official Receita Federal CNPJ registry: partner name, type (individual/company/foreign), masked tax document (CPF comes pre-masked from the government source), role/qualification, entry date and age bracket. Useful for KYB and ownership checks. Free sample, no payment: https://api.brazilayer.com/v1/cnpj/amostra$0.005 Base157 ms2 payers97% up
  97. 98x402-seller.onrender.com/electricity/priceCurrent average U.S. retail price of electricity, in cents per kilowatt-hour (cents/kWh) — e.g. "what's the electricity price right now". Reflects the latest monthly data (not real-time), averaged across all sectors combined (not sector-specific), sourced from the U.S. Energy Information Administration (EIA). Optional 'state' param (2-letter code) returns that state's average instead of the national figure.$0.001 Base107 ms2 payers97% up
  98. 98agent.massive.com/stocks/taxonomies/vX/risk-factorsThe complete list of risk factor classifications used in the risk factors endpoint. Can't find what you're looking for? POST feedback to /feedback, no charge.$0.01 Base47 ms2 payers97% up
  99. 98agent.massive.com/stocks/taxonomies/vX/disclosuresThe complete list of 8-K disclosure classifications used in the 8-K disclosures endpoint. Can't find what you're looking for? POST feedback to /feedback, no charge.$0.01 Base262 ms2 payers97% up
  100. 98agent.massive.com/stocks/filings/vX/13-FSEC Form 13F filings data showing institutional investment manager holdings. Form 13F is required to be filed quarterly by institutional investment managers with at least $100 million in qualifying assets under management. Can't find what you're looking for? POST feedback to /feedback, no charge.$0.01 Base251 ms2 payers97% up