readx.sh
Search for tweets by query (optional product filter; paginate with cursor). Example: GET /api/search/tweets?q=typescript
$0.01 USDC
coingecko.use.x402atlas.com
Crypto token price in USD, EUR and more — real-time spot prices for one or many coins by CoinGecko id (bitcoin, ethereum, solana).
$0.005000 USDC
api.oblique.markets
Use when an agent wants one-call situational awareness of the x402 Bazaar before choosing what to buy or sell. Returns Live x402 Bazaar market pulse: trending services, call volumes, new listings, and catalog changes from daily full-catalog snapshots. Machine-readable JSON for agent-market research. $0.002.
$0.002000 USDC
sat.ipintel.ai
Agent-ready satellite observations for any coordinates. Returns PNG image URLs and scene metadata for true color, vegetation, water, thermal, or radar analysis.
$0.03 USDC
coil.trade
START HERE — the cheapest answer we sell ($0.001) and the first call most agents make. Is crypto risk-on right now? Whether the BTC 200-day master gate is open or closed, the LONG/CASH state of the BTC and ETH sleeves, and a one-line verdict, all evaluated on UTC daily closes by a long-only rules engine. Poll it every cycle; when the gate flips, step up to /api/board/regime for the equity tape and /api/board/indices for the index ladder ($0.005 each). Research, not advice.
$0.001000 USDC
api.solenrich.com
Cost and payback of one StonkFun trade at one size, no swap: entry and exit cost (transfer tax + price impact at size), round-trip % and the breakeven price move, your pro-rata share of each payout with a dust warning, expected payout over the hold from the yield window with real history, and a PAYS / MARGINAL / COSTS / NOT_PAYING verdict with breakeven hold days. Composes stonk-reward-risk, stonk-yield, and enrich-token-light. Inputs: mint, size_usd (100), hold_days (7).
0.01 tokens
lionx402.com
Cheapest OFAC SDN wallet screen for AI agents ($0.001). AML/KYT pre-pay gate: PASS/WARN/BLOCK before you settle any x402 counterparty. Keyless Base USDC, Ed25519-attested. Upsell: recheck $0.01 answers should I pay this wallet again (GO, HOLD, or STOP).
$0.001000 USDC
x402.twit.sh
Search Twitter/X tweets with advanced filters. Returns up to 20 tweets per page, most recent first, with pagination. At least one filter required. Params: words, phrase, anyWords, noneWords, hashtags, from, to, mentioning, minReplies, minLikes, minReposts, since (YYYY-MM-DD), until, next_token. e.g. GET /tweets/search?words=bitcoin&from=elonmusk&minLikes=100. Returns X v2 API-compatible JSON.
$0.006000 USDC
contextslim.friczero.com
[MCP: fetch_result] Targeted JSONPath extraction (query param mode) from cached context reference.
$0.001000 USDC
trezalabs.com
Text to speech (AI voice generation): send text, get a natural ElevenLabs voiceover MP3 back in the same response. Use it when an agent needs narration, a voiceover for a video, or a spoken version of text. Eleven v3 (expressive, takes [whispers]-style directions) or Multilingual v2 (29 languages), a choice of ElevenLabs narrators, up to 3000 characters, $0.42 per 1,000 characters. GET this URL for the voices. No account or API key: the payment is the only credential.
$0.04 USDC
x402.ottoai.services
Where DeFi capital is flowing — TVL rankings, fastest-growing vs bleeding protocols, chain-by-chain breakdown, and per-protocol deep dives. Track capital rotation and protocol health. Powered by DefiLlama.
$0.001000 USDC
api.onesource.io
Look up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call)
$0.003000 USDC
onchainpulse.theaslangroupllc.com
Honeypot check, half a cent: can this token actually be sold? Simulated buy+sell verdict, buy/sell/transfer tax, mint authority, ownership renounced, transfer-pausable, blacklist — the raw flags, one source, no fusion. Base, Ethereum, BSC, Arbitrum, Polygon, Optimism, Avalanche. Cheapest token safety check before you trade; upgrade to /api/evmtoken ($0.015) for the fused CLEAR/CAUTION/AVOID verdict. Answers: is this token safe?
$0.005000 USDC
api-dev-v2.ixs.finance
IXS Real world asset vaults — 6% yields, BlackRock exposure, tokenized on-chain
$0.001000 USDC
api.kadec0.xyz
Academic and scientific paper search API. Search research papers and scholarly literature across arXiv, PubMed, OpenAlex, Crossref, and Semantic Scholar in one call, deduplicated into a ranked result set: title, authors, year, venue, abstract, citation count, DOI, and direct PDF link. Query by keyword or restrict to one source; filter by year range; sort by relevance, recency, or citations. Keyless.
$0.02 USDC
api.solenrich.com
Ranks every StonkFun reward coin 0-100 on whether it is alive, paying, and liquid: recent holder payout, holders, size, turnover, age, momentum, quote strength. Stages GEM / WATCH / NOISE / DEAD with reasons and round-trip tax. A shortlist, not a price forecast: in a paper test (9/26-10/3) higher scores did not beat the market. Pair with stonk-creator and stonk-quote. Milliseconds.
0.03 tokens
api.solenrich.com
Trailing 7d, 30d, and lifetime holder yield: rewards distributed in the quote asset, priced in USD, divided by average market cap over the window (daily snapshots). Annualized with an explicit caution flag when the window is under 7 days or partial. Returns quote_exposure — what a holder is economically long (the coin + the quote asset) and the reward asset.
0.01 tokens
api.justaname.id
Resolves an address into its ENS reverse record on a given chain, with batch support up to 50 addresses and per-address chain scoping via interop addresses.
$0.005000 USDC
kronossignals.com
Crypto funding-rate extremes screener: scans all 17 perpetual futures markets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT/HYPE). Uses z-score (30-day baseline) to identify statistically extreme funding: |z|≥2 = extreme, |z|≥3 = critical. Returns only assets clearing the threshold. Real-time from Kronos market_signals (OKX data). Pay-per-call via x402.
$0.02 USDC
wiki.use.x402atlas.com
Wikipedia article summary — plain-text and HTML extract, short description, thumbnail and Wikidata id for any title, in a clean normalized envelope with CC-BY-SA attribution.
$0.005000 USDC