| Endpoint | Status | Price | Network | Spec | Checked |
|---|---|---|---|---|---|
| Invoket weather forecast
Returns a weather forecast for a location. |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| api.anchor-x402.com v1 aura
Read the aura of anything — color, tier (S/A/B/C/D/F), score 0-9999, description. $0.01 USDC. |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| shopify-ai-rank-checker.underscoredone.com rank
Checks how well a Shopify store's products show up when AI shopping assistants such as ChatGPT, Gemini, Perplexity, Gr |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| ens-resolver.underscoredone.com resolve
Look up an ENS name or an Ethereum address and get back the matching one, automatically figuring out which direction y |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| anywaypossible.com api verify
Web evidence and citation verification for AI agents. Prove a source is live and contains expected text or status befo |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| api.vindexapi.dev v1 decode
Normalized NHTSA vPIC VIN decode (?vin=) — make/model/year/engine/body/… with fetch provenance, plus ORIGINAL factory |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| txguard.schemasure.com tx preflight
Explain and preflight an unsigned Base transaction, EIP-712 typed data, or an EIP-3009 x402 payment authorization befo |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| x402-stablecoin-data-demo.ryan-ee4.workers.dev reports stablecoin-bridge-flows
Retrieve a seven-day USD-denominated report of Tether bridge flows on Ethereum. This is a bounded onchain stablecoin i |
answers 402 | $0.01 | base-sepolia | v2 GET | 30d ago |
| api.loyalspark.online x402-gateway earn
Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| api.oblique.markets paid echo
Use when an agent needs echo. Returns Echo service. $0.01. |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| mortgage-amortization.underscoredone.com calculate
Give this API a loan amount, an interest rate, and a repayment term, and it returns the exact monthly payment plus a f |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| leetspeak-translator.underscoredone.com translate
Takes a piece of text and either turns it into leetspeak (swapping some letters for numbers and symbols, like 'hello' |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| http-header-checker.underscoredone.com check
Sends a request to a web address you provide and reports back everything the server said in response: the status code, |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| ylk.one v1 spikes
Settlement-derived x402 market tape: live $/hr and tx/hr vs 24h baseline, last completed hour, every ≥2.5× spike hour |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| api.remix.live x402-http compile
Compile Solidity contracts with the Remix compiler, supporting multiple files, custom versions, and optimization setti |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| url-uptime-checker.underscoredone.com check
Checks whether a website or web address is currently reachable and reports how fast it responded. |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| dmarc-lookup.underscoredone.com dmarc-lookup
Give this tool a list of domain names and it will instantly check each one's DMARC email security record. DMARC is a s |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| asn-lookup.underscoredone.com lookup
Given an internet address (IP) or a network identification number (ASN), this tool returns who operates that piece of |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| CoinGecko token price
Returns onchain DEX token price and market data. |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| Onchainpulse launches
Returns the live launch feed for Uniswap's Robinhood Chain launchpad. |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| stablestudio.io api upload
Get a client token for direct upload to Vercel Blob |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| vaaya.ai modal sandbox-exec
Modal — Run a command in a running sandbox and return its output. |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| Vaaya image generation
Generates or edits images, video, music, and speech through fal.ai. |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| api.demandex.dev opportunities trending
Paid ($0.01 USDC via x402). Returns the top 20 active opportunity cards by score as TEASERS — { id, slug, title, categ |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| api.nansen.ai tgm flows
Get "Token God Mode" (TGM) flows data |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| api.kadec0.xyz v1 nutrition
Food nutrition lookup. Calories, macros, and micronutrients for any food from the USDA FoodData Central database. |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| toolsmith-api.dassad10.workers.dev youtube transcript
Full plain-text transcript of a YouTube video, de-duplicated and cleaned from the captions. Accepts a video id or URL. |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| RelayStation sanctions screen
Screens a name against OFAC, EU, and UK sanctions lists plus Wikidata. |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| Glassnode metrics catalog
Lists all available Glassnode on-chain metric paths. Useful for an agent finding which metric to query. |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| x402.aispace.bot image upscale
Upscale and enhance an image 2-4x on Venice, paid per request in USDC on Base via x402, no API key. Standalone — send |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| vaaya.ai exa contents
Exa — retrieve content for URLs or document IDs via our API key. Charges 0.1¢ per (url or id) × content field requeste |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| intel.chainquery.com v1 coin-velocity
ChainQuery Bitcoin Intelligence: independent Bitcoin-native on-chain data over x402, no API key. 90- and 365-day rolli |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| aeml-x402.zeabur.app trust precheck
[SIGNAL+PROOF] Demand record for one x402 service (?service=): demand_class (REAL/SOLO/PROBE/WASH), calls_30d, unique_ |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| rubric-protocol.com x402 attested-inference
Attested LLM inference: gpt-4o-mini chat completion plus a post-quantum signed, Hedera-anchored attestation binding th |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| hyperliquid-accounts.use.x402atlas.com portfolio
A Hyperliquid account's historical account value and PnL across day/week/month/all-time windows, for any 0x address. |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| hyperliquid-accounts.use.x402atlas.com fills
A Hyperliquid account's recent trade fills (up to 2000) with price, size, fee and closed PnL, for any 0x address. |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| hyperliquid.use.x402atlas.com spot
Live context for every Hyperliquid spot pair — price, 24h notional volume and token supply, with token names resolved |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| hyperliquid.use.x402atlas.com book
Live L2 order book for one Hyperliquid asset — bids and asks with price, size and order count, up to 20 levels per sid |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| buildscottsbluff.com parcel 010070362
Complete parcel intelligence: owner, situs, assessed value, classification, property tax and tax-sale (delinquency) st |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| token-risk.com v1 wallet
Deterministic on-chain structural-safety report for a Base address: contract detection, verification status, proxy/own |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| token-risk.com v1 scan
Deterministic on-chain structural risk report for an ERC-20 token on Base. Keyless x402-native payment — no signup, no |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| api.brazilayer.com fundos ranking
Rank and screen Brazilian investment funds from official CVM data: largest by net assets, biggest net inflows over a w |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| x402-mcp.onrender.com mn property-check
Minneapolis rental license check — is this property licensed? Property due diligence agent for Minneapolis Minnesota ( |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| Kihustle URL preflight
Checks that a URL is alive, returning status and content type. |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| hermesplant.com action-safety quick
AI agent action safety: one-cent deterministic preflight for every consequential agent command. Returns risk, matched |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| api.kadec0.xyz v1 trending-coins
Trending crypto coins. The coins most searched on CoinGecko right now, with rank, price, and market-cap rank. |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| api.kadec0.xyz v1 gas-oracle
Ethereum gas price oracle. Current base fee and EIP-1559 priority-fee estimates (slow/standard/fast) in gwei. |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| api.brazilayer.com licitacoes abertas
Live open tenders from the Brazilian government (PNCP): every procurement currently accepting proposals, with object, |
answers 402 | $0.01 | base | v2 GET | 30d ago |
| api.webbersites.com v1 messages
ANTHROPIC-COMPATIBLE /v1/messages — Claude Haiku 4.5 through the exact Anthropic API dialect: same request/response sh |
answers 402 | $0.01 | base | v2 POST | 30d ago |
| Invoket daily forecast
Returns a multi-day daily weather forecast. |
answers 402 | $0.01 | base | v2 GET | 30d ago |