x402watch

52,778 paid endpoints are listed. 41,522 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 2026-11-14 06:38 UTC · 52,778 probed

41,522 answering 4025,071 down5,452 rejecting733 no paywall944 price drift
  1. 100agent402.tools/api/gas-estimateCurrent gas price on Base, Polygon, Arbitrum, Optimism, Ethereum, Monad, Celo, Avalanche, Sei, Arc, or Robinhood Chain - for an agent budgeting a transaction: returns network, gasPriceGwei and gasPriceWei (decimal strings) from the chain's own eth_gasPrice, the node's suggested all-in price per gas unit. Multiply by the gas a transaction uses (21000 for a plain transfer) for its fee. Read-only.$0.001 Base112 ms10 payers100% up
  2. 100agent402.tools/api/crypto-trendingTrending coins in the last 24 hours, ranked by user search activity on the market-data site (currently ~15 results). Includes coin id, symbol, market cap rank, current price (BTC-denominated), and score. Useful signal for detecting narrative shifts before they hit price charts. Data provided by CoinGecko.$0.001 Base109 ms10 payers100% up
  3. 100horizonpulse.dev/api/grocery/normalizeRecipe ingredient parser and shopping list API: POST JSON {ingredients: [lines], servings?, targetServings?} (or GET ingredients=line|line). Returns per line name, canonicalId, qty, unit, metric (ml or g), category, optional/toTaste, prepNote, stated pack size, a typical pack hint, plus a merged shoppingList scaled to targetServings and unparsed lines. Deterministic, no outbound calls, no prices, nothing stored. Bad input (400) or nothing parsed (422) (Base: not charged; other rails may charge).$0.002 Base153 ms10 payers100% up
  4. 100api.agentweather.io/v1/pulse/providersPay per call, solves one question: What do public AI-provider status pages show right now? Raw per-provider indicators, reason, asOf, and observed_uptime_7d samples with attribution. Example: GET /v1/pulse/providers → {degraded:false, level:"operational", providers:{github:"none"}, asOf:"2026-11-01…$0.003 Base177 ms10 payers100% up
  5. 100nojunk-crypto-price.mick8511.workers.dev/priceCurrent USD price, market cap, 24h volume and 24h change for up to 10 cryptocurrencies by ticker symbol (BTC, ETH, SOL, ...) or for any on-chain token by contract address and chain (ethereum, base, bsc, arbitrum, polygon, optimism, avalanche, solana). Data from CoinGecko.$0.001 Base284 ms10 payers100% up
  6. 100api.fadeandco.workers.dev/api/agent-intel/highres-qr-code-generatorMakes a QR code as scalable SVG (21x21 modules, version 1) for up to 17 bytes at level L, 14 at M, 11 at Q or 7 at H, with the mask chosen by the standard penalty rules. Returns the SVG and a base64 copy. Larger versions are not supported; longer text returns 400.$0.002 Base196 ms10 payers100% up
  7. 100api.healthtravel-api.workers.dev/api/travel/craigslistCurrent Craigslist listings for one site and category (e.g. sfbay + cta = cars & trucks, newyork + apa = apartments), optionally matching a search query: title, price, area and listing URL, newest first as Craigslist orders them, read from the public search page. Up to ~300 results per call; no contact details or full post text.$0.002 Base201 ms10 payers100% up
  8. 100api.api-agent-ia.ch/hash-keccakNeed a function selector or an event topic? Returns the Keccak-256 hash of a text string, in 0x hex ($0.001 per call).$0.001 Base200 ms10 payers100% up
  9. 100voice.madebydevx.com/v1/ttsText to speech for agents: send text (up to 2,000 chars) in English, Spanish, French, Chinese, Japanese or Korean and get a WAV voice clip (base64 in JSON, or raw audio/wav with response_format=wav). $0.001 USDC per started 1,000 characters on Base; failures are not charged. Accepts dTelecom-style text/lang_code fields. MeloTTS. By DevX.$0.001 Base271 ms10 payers100% up
  10. 100cryptofeed402.site/funding/extremePerpetual futures funding rates and open interest (Hyperliquid), live: the 10 perps with the most extreme funding rate now (over $1M 24h volume), each with annualized funding APR and open interest in USD, plus the current funding rate for a BTC/ETH/SOL/HYPE/NEAR/AAVE watchlist. Use it to spot crowded longs or shorts, squeeze risk and funding-carry candidates. Failed calls are never charged. JSON. Free sample: /samples/funding. $0.0025 USDC per call on Base.$0.0025 Base219 ms10 payers100% up
  11. 100quantagentshop.com/v1/company-lookupCompany legal-entity lookup from the global LEI system (GLEIF). Send a company name or a 20-character LEI; returns legal name, LEI, status, jurisdiction, legal form, registration number, addresses, the first record's direct and ultimate parents, found or unknown, and provenance (source URLs, retrieval times, SHA-256). Use for know-your-business checks and group-structure questions. Companies only. Typical response 1 to 2 s. Failed calls are not charged.$0.0099 Base96 ms10 payers100% up
  12. 100quantagentshop.com/v1/weatherWeather forecast for coordinates or a city name: current temperature, humidity, wind, cloud, pressure and conditions, an hourly forecast up to 48 hours, and daily highs, lows and rain up to 7 days. Data from MET Norway. Use for travel, event or logistics planning. Not for past weather or official warnings. Times in UTC. Typical response under 1 s. Failed calls are not charged.$0.0099 Base240 ms10 payers100% up
  13. 100x402.telnyx.com/v1/chat/completions/_t/gpt-oss-120bOpen-weight reasoning-model chat completions via Telnyx Inference (OpenAI gpt-oss-120b, beta). Choose reasoning_effort low (default), medium or high. Reasoning tokens count toward max_tokens (2048-8192, default 4096); if reasoning uses the whole budget you get a 503 and are not charged. OpenAI-compatible. Up to $0.004928 USDC per call, quoted to your request (input + max_tokens at list rates, no markup), or pay per-token via the upto scheme.$0.002 Base81 ms10 payers100% up
  14. 100glim.sh/api/v1/twitter/tweets/searchSearch tweets, X-API-style raw shape. Body: {"q":"x402","sort":"Latest","limit":20} - the param is q, not query$0.005 Solana143 ms9 payers100% up
  15. 100quartermaster.surewhynot.app/v1/http-checkLiveness/latency pre-flight for a URL: is it up, HTTP status and class, response latency in ms, whether it redirects (and where), content-type and server.$0.001 Base39 ms9 payers100% up
  16. 100api.bitrefill.com/x402/invoice/createCreate a price-locked invoice for one or more gift cards, eSIMs, or mobile top-ups, payable in USDC or over Lightning.$0.002 Base186 ms9 payers100% up
  17. 100agent.massive.com/v3/reference/tickersQuery the stock and OTC ticker symbols supported by Massive. Each result carries the ticker, company name, primary exchange, security type, CIK and OpenFIGI identifiers, and whether the asset still trades. Can't find what you're looking for? POST feedback to /feedback, no charge.$0.01 Base68 ms9 payers100% up
  18. 100rpc.nodeflare.app/eth/x402Ethereum RPC (chain 1): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.$0.001 Base168 ms9 payers100% up
  19. 100twitter.use.x402atlas.com/user-repliesGet a paginated timeline of replies from an X user.$0.005 Base63 ms9 payers100% up
  20. 100x402.telnyx.com/v1/chat/completions/_t/gemma-4-26bChat completions via Telnyx Inference (google/gemma-4-26B-A4B-it). OpenAI-compatible. Up to $0.00319 USDC per call, quoted to your request (input + max_tokens at list rates, no markup).$0.002 Base91 ms9 payers100% up
  21. 100modelmarket.dev/x402/warden-scanWARDEN verdict on an MCP server's tools/list: allow or block, a 0-1 score and every finding with the matched text (prompt injection, secret requests, exfiltration, hidden Unicode). Deterministic published rules, no network.$0.001 Base70 ms9 payers100% up
  22. 100crypto.apitoll.cloud/v1/crypto/feesDeFi protocol fees and revenue ranked: which protocols actually earn money (not just hold TVL). Each returns 24-hour and 7-day fees in USD, revenue where DefiLlama breaks it out, 1d/7d change, category, and the chains it runs on. See where real economic activity is across Uniswap, Aave, Lido, Hyperliquid and more. Sourced from DefiLlama.$0.001 Base143 ms9 payers100% up
  23. 100tariffmonkee.com/paid/fetch-cleanAlias of /content: converts a single URL to clean Markdown using a real rendered browser (JavaScript executed). Results are cached for 24 hours per URL.$0.002 Base49 ms9 payers100% up
  24. 100api.anchor-x402.com/v1/decode/txDecode Tx$0.001 Base216 ms9 payers100% up
  25. 100keyronne.com/api/json-repairRepair malformed JSON text into valid parsed JSON: markdown code fences, single quotes, smart quotes, unquoted keys, trailing commas, comments, Python literals (True/None), raw newlines in strings, and truncated output (auto-closes strings, arrays and objects). Returns the parsed value plus a log of every repair applied. Built for LLM output that almost parses. POST a JSON body like: {"text":"```json\n{name: 'Ada', age: 36, tags: ['x',], active: True"}$0.001 Base123 ms9 payers100% up
  26. 100x402.ottoai.services/tweet-searchSearch X/Twitter for any query and get the actual matching tweets — keyword, $CASHTAG, from:handle (a user timeline), @handle (mentions), or boolean OR. Each tweet returns author, full text (long-form note tweets included), timestamp, likes and retweets (reply/quote counts when available). Most-recent-first for real-time monitoring and alerting. Pay-per-call USDC, structured JSON.$0.005 Base195 ms9 payers100% up
  27. 100x402.tbs-digital.com/weather/marineMarine weather and sea-state forecast for any coastal coordinate. Returns significant wave height, wave direction and period, wind waves, swell (height, direction, period) and ocean current velocity and direction. Oceanographic conditions for shipping, offshore, maritime safety, fishing, surfing and coastal operations.$0.001 Base188 ms9 payers100% up
  28. 100api.mekler.ai/v1/compute/inference/generate-completionsCompare exact prices across eight models: GPT-6 Luna, GPT-6.1 Sol, Ministral 3B/8B/14B, Nemotron 3 Nano and Qwen3 Next/Coder Next. Review a recommendation and supported model/effort alternatives, then accept one quote or use automatic selection. Generate text or JSON with one USDC payment and no supplier account. Recover private results after completion. Recommendations use task rules, not a quality guarantee. No tools, browsing or streaming.$0.0028 Solana268 ms9 payers100% up
  29. 100api.solenrich.com/entrypoints/enrich-wallet-light/invokeProfile a Solana wallet: holdings, labels, and risk score$0.002 solana49 ms9 payers100% up
  30. 100agent.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 Base138 ms9 payers100% up
  31. 100agent.pocket.network/v1/literature-searchSearch scholarly literature via OpenAlex: works with metadata and abstracts. POST /v1/literature with a {query} and optional limit and get matching works as one JSON object. Deterministic per index vintage. Pay per request in USDC; no account, no API key.$0.005 Base141 ms9 payers100% up
  32. 100agent.pocket.network/v1/sentiment-classificationLexicon-based sentiment scoring: label a text positive, negative or neutral with a score and the positive and negative word hits behind it (AFINN-derived word list, not a trained model). POST /v1/sentiment with {text}. Deterministic. Pay per request in USDC; no account, no API key.$0.005 Base143 ms9 payers100% up
  33. 100nzdata.zakwins.workers.dev/nz/working-daysCount NZ working days between two dates inclusive (weekends, public holidays, optional statutory Christmas shutdown presets oia|lgoima|building_act|rta)$0.002 Base290 ms9 payers100% up
  34. 100api.blockchain.info/explorer-gateway-kt/x402/charts/blocks-sizePaid AI-agent access to Blockchain.com Explorer API$0.005 Base178 ms9 payers100% up
  35. 100api.blockchain.info/explorer-gateway-kt/x402/charts/mempool-sizePaid AI-agent access to Blockchain.com Explorer API$0.005 Base176 ms9 payers100% up
  36. 100x402-seller-pmlm.onrender.com/rug-checkRugRadar: Solana rug check & token safety score (multi-chain)$0.01 Base266 ms9 payers100% up
  37. 100blockrun.ai/api/v1/pm/markets/searchSearch markets across Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun in a single call. Not charged when no market matches$0.0085 Base85 ms9 payers100% up
  38. 100minifetch.com/api/v1/x402/proxy/extract/url-contentFor pages blocking native Minifetch that obeys robots.txt: fetch thru external rotating proxy & extract same live, clean markdown as /extract/url-content, after nav, ads, and scripts are stripped. No JavaScript rendering; use /proxy/render for that. Optional ?country= (2-letter code) to fetch from a specific country. Not cached. Does not obey robots.txt. Set your client timeout to at least 75 seconds. Supports GET & POST$0.002 Base273 ms9 payers100% up
  39. 100api.macaroonnetwork.com/execute/universal-macaroon-search-v1Discover which Macaroon Network service, endpoint, or data product to call next. Searches Macaroon's own published catalogue -- title, category, description, price, and trust evidence metadata -- and returns a short, source-linked ranked list plus a safe recommended next call for each match. A thin wrapper over this registry's own existing semantic search and router infrastructure; does not execute matched services, does not call any underlying paid endpoint, and does not duplicate a matched ser$0.001 Base290 ms9 payers100% up
  40. 100intel.degenscan.io/v1/whalesLarge stablecoin transfers (USDC/USDT) on Base and Ethereum from public explorers, no key: size in USD, best-effort exchange labels, flow tag (to_exchange / from_exchange / mint / burn / wallet_to_wallet), totals by flow. 60 s cache.$0.002 Base169 ms9 payers100% up
  41. 100x402.ottoai.services/trending-altcoinsTop 3 hottest altcoins traders may want to ape into, based on news and Twitter analysis. DYOR.$0.002 Base217 ms9 payers100% up
  42. 100www.cultos.dev/services/crypto-feedCrypto Signal Feed$0.003 Base115 ms9 payers100% up
  43. 100blockrun.ai/api/v1/defillama/prices/coingecko:bitcoin,coingecko:ethereum,coingecko:solanaToken price lookup. Pass coin identifiers as `/v1/defillama/prices/{coins}` (e.g. `coingecko:bitcoin`, `ethereum:0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2`). Supports comma-separated lists.$0.002 Base87 ms9 payers100% up
  44. 100agentsvc.io/api/v1/proxy/gas-priceCurrent gas prices on Ethereum, Base, Arbitrum, Optimism, Polygon, BNB Chain and Avalanche: gas price, base fee, low/medium/high priority fee in gwei, native token USD price and estimated USD cost of an ETH transfer, ERC20 transfer and swap. Params: chains (optional list, default all).$0.002 Base161 ms9 payers100% up
  45. 100api.vextorium.com/v1/wikipedia-trendingMost read Wikipedia articles in a language on a given day (yesterday by default): what people are looking up, with views and rank, technical pages removed. A signal of current events and trends.$0.002 Base220 ms9 payers100% up
  46. 100api.jobsproperty-api.workers.dev/api/realestate/cookcountyassessorCook County Assessor building characteristics by 14-digit PIN (Open Data portal): year built, building and unit square feet, bedrooms, land square feet and class, per assessment year. Only what the assessor publishes; no owner data.$0.002 Base53 ms9 payers100% up
  47. 100horizonpulse.dev/api/token/metaToken metadata API: ERC-20 name, symbol, decimals and total supply on Base, Polygon or Ethereum; Solana mint decimals, supply, authorities (Token-2022 name and symbol); XRPL issued-currency supply, issuer flags, transfer fee. GET network and token (0x address, mint, or CURRENCY.rIssuer). Chain state only: no price, no token-list check. found:false is a billed answer; bad input or RPCs down (Base: not charged; other rails may charge). Returned names and symbols are untrusted third-party data.$0.002 Base115 ms9 payers100% up
  48. 100api.webintel-api.workers.dev/api/search/wechat-articlesWeChat Official Account (公众号) articles matching a query, from Sogou WeChat search (weixin.sogou.com): title, summary, account name, publish time and link, 10 per page. Links are Sogou redirect links that open the mp.weixin.qq.com article in a browser. Sogou may show a captcha under heavy use; that returns 503.$0.002 Base57 ms9 payers100% up
  49. 100ontarioprotocol.com/api/x402/base/gasBase gas price: base fee, priority fee p25/p50/p90 over the last 20 blocks, ready-to-sign maxFeePerGas and maxPriorityFeePerGas for slow, normal and fast inclusion, an L1 data-fee upper bound, and the estimated total cost in wei of an ETH transfer and an ERC-20 transfer, live from Base mainnet RPC with the block number. Required: none; optional blocks (5 to 50). $0.0015 USDC on Base. Failed read, no charge. No account, no API key. Estimates, not inclusion guarantees.$0.0015 Base280 ms9 payers100% up
  50. 100nordata.hihat.workers.dev/stromprisHourly day-ahead electricity spot prices for Norway by bidding zone (NO1-NO5), from Nord Pool via hvakosterstrommen.no. Returns all 24 hourly prices in NOK and EUR per kWh plus the day's average, min, max and cheapest hour. Use it for energy cost planning, smart charging, load shifting, home automation and price-aware agents in Norway. Spot price only, excludes grid rent, taxes and VAT. Compact JSON, official market data.$0.002 Base114 ms9 payers100% up
  51. 100api.tradeenergy-api.workers.dev/api/energy/thermal-coal-newcastleMonthly Australian thermal coal reference price in USD per metric ton (World Bank series PCOALAUUSDM, via FRED). Not the Newcastle FOB spot index or Richards Bay prices; the route name is kept for the owner. Latest value plus up to 24 months of history. Usually answers in a few seconds, up to 15 s on slower calls; allow a 30 s timeout.$0.002 Base41 ms9 payers100% up
  52. 100nordata.hihat.workers.dev/endringerChange feed from the official Bronnoysund Register Centre (Enhetsregisteret): Norwegian companies registered, changed or deleted since a date, datetime or cursor, optionally only for a watchlist of up to 20 organisation numbers. Returns org number, change type (Ny, Endring, Sletting, Fjernet, Ukjent), timestamp and update id per event, totals and a paging cursor. Use it for KYB monitoring, supplier or customer watchlists and syncing a company database.$0.002 Base143 ms9 payers100% up
  53. 100x402-agent-tools.nerolabs.workers.dev/data/merge-dedupeMerges two or more lists of JSON rows (for example leads from Google Maps, a CRM export and a spreadsheet) into one list and removes the duplicates between them by a key such as phone, email or website, ignoring spacing, case and http/www. Keeps the most complete row, fills its blanks from the duplicates and labels which lists each record was in. Up to 500 rows in all. $0.001 per row sent, $0.002 minimum.$0.002 Base74 ms9 payers100% up
  54. 100nordata.hihat.workers.dev/avgangerReal-time public transport departures for any stop or station in Norway from Entur, the national travel data hub. Give a stop name and get the next departures with line number, transport mode, destination, scheduled and expected time, delay in minutes, platform and whether real-time data is available. Covers trains, buses, trams, metro and ferries nationwide. Use it for travel planning and live departure boards. Compact JSON.$0.002 Base168 ms9 payers100% up
  55. 100nordata.hihat.workers.dev/adresseNorwegian address search and geocoding from the Norwegian Mapping Authority (Kartverket). Free-text lookup of any street address in Norway returns the official address, postcode, postal town, municipality, cadastral numbers (gnr/bnr) and WGS84 latitude and longitude. Use it to validate, normalise or geocode Norwegian addresses for deliveries, forms, maps and KYC. Compact JSON, up to 5 matches.$0.002 Base115 ms9 payers100% up
  56. 100api.jobsproperty-api.workers.dev/api/realestate/zillow-rentalsTypical market rent for US metro areas or cities from the Zillow Observed Rent Index (ZORI, Zillow Research's official public data, all home types, smoothed, USD per month): latest monthly value, change vs 12 months earlier and monthly history for every region whose name matches (up to 10, largest first), with state, metro and county. Index data, not individual listings (zillow.com listing pages block automated access). Updated monthly.$0.002 Base148 ms9 payers100% up
  57. 100agent-tools.jbarkules.workers.dev/v1/time/business-daysCalculate business days between two dates for SLAs, invoice due dates, shipping and legal deadlines. Counts working days, skipping weekends and national public holidays by country (ISO code).$0.001 Base134 ms9 payers100% up
  58. 100chain.tollkit.dev/chain/perpsHyperliquid perpetuals market data: mark price, 24h change, hourly funding rate, open interest, volume and max leverage for any perp or the top markets, plus funding history for one coin.$0.001 Base209 ms9 payers100% up
  59. 100api.youraitools.co/webread/v1/readURL to Markdown API for AI agents. Converts a public web page into clean Markdown for LLMs and RAG pipelines: main content only (no nav, ads or scripts), absolute links, plus title, description and language metadata. Suited to AI agents that read, cite or summarize web pages. Respects robots.txt; only successful reads are charged. Search intents: url to markdown, web page to markdown api, web scraper for llm, html to markdown, read web page api, extract article text.$0.002 Base177 ms9 payers100% up
  60. 100api.avedaris.com/v1/paid/url-normalizeGet one canonical form for a URL: send an http(s) URL and get one deterministic normalized form. Use it to dedupe links or cache keys. $0.001 USDC per call on Base.$0.001 Base41 ms9 payers100% up
  61. 100api.avedaris.com/v1/paid/querystring-parseParse a query string: send ?a=1&b=2&a=3 style text and get ordered key/value entries and values grouped by key. $0.001 USDC per call on Base.$0.001 Base50 ms9 payers100% up
  62. 100api.avedaris.com/v1/paid/base64-encodeBase64-encode text: send UTF-8 text and get its Base64 string. Use it to build headers, data URLs or API payloads that need Base64. $0.001 USDC per call on Base.$0.001 Base124 ms9 payers100% up
  63. 100api.api-agent-ia.ch/convertir-unitesNeed to convert ETH, gwei or wei without floating-point errors? Converts an amount between these units with exact decimal math, up to 28 significant digits ($0.001 per call).$0.001 Base190 ms9 payers100% up
  64. 100api.vextorium.com/v1/wikipedia-summarySummary of a Wikipedia article in any language: title, short description, lead paragraph, image, coordinates, link and Wikidata id. If the title is not exact it returns the closest article, flagged as approximate, with alternatives.$0.002 Base261 ms9 payers100% up
  65. 100quantagentshop.com/v1/sec-filingsSEC EDGAR filings lookup. Send a US ticker, CIK or company name, optionally with form types such as 10-K, 10-Q, 8-K or 4; returns the company, its CIK and SIC code, and its latest matching filings (about the last 1,000) with form, filing date, period and direct links to the document and index, the window searched, and provenance (source URLs, retrieval times, SHA-256). Filing metadata and links only; read a filing with /v1/fetch-page. Typical response under 1 s. Failed calls are not charged.$0.0099 Base282 ms9 payers100% up
  66. 100api.sitecheck-api.workers.dev/api/pm/searchSearches open prediction markets on Polymarket (real money, USDC) and Manifold (play money) by keywords, with optional closing-date window and minimum volume. Each row: venue, question, outcomes with prices (implied probability), volume with its unit (USD or mana), liquidity, close time and link. Results alternate between venues; up to 50 rows. Information only, not financial advice. Usually answers in about 8 s, up to 15 s on slower calls; allow a 30 s timeout.$0.003 Base60 ms9 payers100% up
  67. 100api.avedaris.com/v1/paid/base64-decodeBase64-decode safely: send a Base64 string and get the UTF-8 text, or a clear error when the input is not valid Base64. $0.001 USDC per call on Base.$0.001 Base115 ms9 payers100% up
  68. 100screenshot-api-production-fe7e.up.railway.app/capture/screenshotCapture a viewport-sized PNG screenshot of an http(s) URL with headless Chromium; returns a JSON envelope with the PNG base64-encoded under image_base64, plus final_url, title, viewport, and size.$0.002 Base198 ms9 payers100% up
  69. 100agent-treats-production.up.railway.app/api/fortuneFortune cookie with unique fortune and lucky numbers for AI agents.$0.001 Base236 ms9 payers100% up
  70. 100twin.unykorn.org/v1/chat/completionsOpenAI-compatible chat completions over x402 (local GPU models, no API key) — Genesis402 / UnyKorn Operator Network$0.002 Base175 ms9 payers100% up
  71. 100api.govparse.io/v1/stats/carriersHow big is the FMCSA carrier dataset right now? Headline aggregates: total and active registered carriers, how many have a SaferGrade score and the grade distribution, carriers with inspection/crash history, and the current national driver/vehicle out-of-service baseline rates.$0.001 Base255 ms9 payers100% up
  72. 100api.signalfuse.co/v1/arena/rsi_reversion_swing/SOLIndividual arena strategy signal$0.001 Base181 ms9 payers100% up
  73. 100x402-data-api.onrender.com/api/geoIP geolocation: country, region, city, coordinates, and timezone for any IPv4 or IPv6 address. Fast in-memory lookup for analytics, fraud, and personalization agents.$0.001 Base126 ms8 payers100% up
  74. 100api.kadec0.xyz/v1/trending-coinsTrending crypto coins. The coins most searched on CoinGecko right now, with rank, price, and market-cap rank.$0.02 Base102 ms8 payers100% up
  75. 100x402.aispace.bot/api/v1/video/queueAsync text-to-video and image-to-video generation on Venice (WAN 3.0, Seedance 2.5, HappyHorse, and more), paid per request in USDC on Base via x402, no API key. Model ids via GET /api/v1/models?type=video. Lifecycle: quote, queue, retrieve, complete (see related routes).$0.65 Base162 ms8 payers100% up
  76. 100api.clawfetch.ai/domains/suggestDomain name brainstorming and availability screening: combine keywords into candidate domains across chosen TLDs, then live-WHOIS-check them and return only the available ones. Naming research in a single call.$0.003 Base146 ms8 payers100% up
  77. 100glim.sh/api/v1/youtube/getFetch a cleaned YouTube transcript$0.01 Base147 ms8 payers100% up
  78. 100api.bitrefill.com/x402/products/detailGet a product's packages, pricing, and recipient requirements before creating an invoice.$0.001 Base209 ms8 payers100% up
  79. 100rpc.nodeflare.app/hl/x402HyperEVM RPC (chain 999): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units. One of the first independent x402 RPC providers for this chain.$0.001 Base166 ms8 payers100% up
  80. 100rpc.nodeflare.app/robinhood/x402Robinhood Chain RPC (chain 4663): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units. One of the first independent x402 RPC providers for this chain.$0.001 Base187 ms8 payers100% up
  81. 100rpc.nodeflare.app/zircuit/x402Zircuit RPC (chain 48900): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units. One of the first independent x402 RPC providers for this chain.$0.001 Base194 ms8 payers100% up
  82. 100api.clawfetch.ai/renderHeadless browser rendering for JavaScript-heavy pages and SPAs: full stealth Chromium render, then clean markdown plus title, meta description, and canonical URL. Use when a plain fetch returns an empty shell or a bot wall.$0.005 Base140 ms8 payers100% up
  83. 100agent.massive.com/stocks/filings/8-K/vX/disclosuresSEC 8-K filing disclosure categorization. A single 8-K filing can produce multiple rows when it covers multiple disclosure types — each row represents one tagged disclosure within the filing, classified into primary, secondary, and tertiary categories with a supporting text excerpt. The full classification list is available at /stocks/taxonomies/vX/disclosures. Can't find what you're looking for? POST feedback to /feedback, no charge.$0.01 Base68 ms8 payers100% up
  84. 100agentreader.dev/metaGet structured metadata for any public web page in one call: title, meta description, canonical URL, Open Graph and Twitter card tags, favicons, JSON-LD schema types, language and the heading outline. Use it to build link previews and social cards, classify or dedupe URLs, and run SEO and AI-readability audits - far cheaper than fetching and parsing the whole page.$0.005 Base38 ms8 payers100% up
  85. 100quartermaster.surewhynot.app/v1/balanceCheck ETH and USDC (or any ERC-20) balance of an address on Base — pre-flight funding checks for payments and settlement.$0.001 Base37 ms8 payers100% up
  86. 100crypto.apitoll.cloud/v1/crypto/tvlDeFi Total Value Locked (TVL) by blockchain or by protocol. Default returns the top chains ranked by TVL in USD; pass ?chain=Ethereum for one chain, or ?protocol=aave-v3 for a protocol's current TVL, 24h and 7d change, category, market cap, and the chains it spans. Track capital flows across DeFi. Sourced from DefiLlama.$0.001 Base137 ms8 payers100% up
  87. 100offercheck.offercheck.workers.dev/v1/fxConvert between 30 major currencies (USD, EUR, GBP, JPY, CHF, CNY, INR, ILS, AUD, CAD, ...) using the European Central Bank's daily reference rates: rate and converted amount for one or many target currencies, optional historical date back to 1999. Returns the ECB rate date and source. $0.002 per call.$0.002 Base38 ms8 payers100% up
  88. 100quartermaster.surewhynot.app/v1/regexTest a regular expression against text and return every match with numbered and named capture groups. Deterministic.$0.001 Base32 ms8 payers100% up
  89. 100quartermaster.surewhynot.app/v1/pickPick one or several options at random from a caller-supplied list (CSPRNG), optionally without replacement — a decision-maker for agents.$0.001 Base50 ms8 payers100% up
  90. 100quartermaster.surewhynot.app/v1/basenameResolve Basenames (.base.eth) to wallet addresses on Base.$0.001 Base38 ms8 payers100% up
  91. 100quartermaster.surewhynot.app/v1/base/contractDetermine whether a Base address is a contract or an externally-owned account.$0.001 Base39 ms8 payers100% up
  92. 100modelmarket.dev/x402/air-quality-nowCurrent air quality at a place: PM2.5 and PM10 (µg/m³), US and European AQI, from Copernicus CAMS via Open-Meteo, with a signed receipt. Send latitude and longitude, or a city.$0.001 Base70 ms8 payers100% up
  93. 100keyronne.com/api/phoneValidate and parse phone numbers in international E.164 form: extract the country calling code and region, the national number, and the canonical +E.164 string. Single number or a batch of up to 50. Format validation, not a line-in-service check. POST a JSON body like: {"phone":"+14155552671"}$0.001 Base78 ms8 payers100% up
  94. 100chain.tollkit.dev/chain/priceCrypto token price in USD for AI agents: give a token contract address or mint (or "SOL") on Base, Ethereum or Solana, get its live USD price read on-chain from the deepest DEX pool (Uniswap v3, Orca Whirlpools), not from a price API. Returns the pool used, its depth in USD and a low-liquidity flag, so a trading agent knows how far to trust the quote.$0.001 Base117 ms8 payers100% up
  95. 100opendata402.com/v1/fx/latestOfficial euro foreign exchange reference rates from the European Central Bank, published each working day around 16:00 CET for about 30 currencies. Use it to convert amounts between EUR and USD, GBP, JPY, CHF and others at the official daily rate. Optional base currency (cross rates are computed from the EUR rates) and a comma-separated list of symbols. Note: free of charge at ecb.europa.eu; you pay for access, not for the data.$0.001 Base169 ms8 payers100% up
  96. 100opendata402.com/v1/worldbank/indicatorWorld Bank development indicators for any country: GDP, population, inflation, unemployment, CO2 and 1,000+ more by indicator code (e.g. NY.GDP.MKTP.CD, SP.POP.TOTL, FP.CPI.TOTL.ZG). Returns the most recent yearly values. Use it for country comparisons, market sizing and economic background. World Bank data, CC BY 4.0.$0.001 Base165 ms8 payers100% up
  97. 100rooms.aurmada.com/x402/v1/email/checkUse it before you send to an address, or to screen sign-ups and leads for typos, disposable domains and role addresses. Checks syntax, MX records (with the A-record fallback), null MX, a list of about 120,000 disposable domains, role addresses (info@, support@…) and free providers, without sending anything. No SMTP probing, so it can't confirm the mailbox exists. Never charged for errors: we settle the payment only after a successful answer.$0.001 Base165 ms8 payers100% up
  98. 100agent.pocket.network/v1/sec-edgar-xbrlSEC EDGAR filing text and XBRL structured financials for any public filer. POST /v1/sec with a {cik} and get filings and tagged financial series as one JSON object. Deterministic per filing. Pay per request in USDC; no account, no API key.$0.005 Base140 ms8 payers100% up
  99. 100api.interzoid.com/getnameoriginName origin: identifies the likely country or cultural origin of a person's name. For demographic analysis, localization, and marketing segmentation.$0.01 Base65 ms8 payers100% up
  100. 100www.cultos.dev/services/encoding-toolboxEncoding Toolbox$0.001 Base92 ms8 payers100% up