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defi-ops-402.vercel.app
Best Arbitrum USDC venue for a given amount/risk, with optional deposit calldata
$0.02 USDC
kitchen-pass.netlify.app
Why is my bread dense? Hollandaise split? Rice gluggy? Send a dish and a symptom; get the likely cause and head chef Cristopher's verified fix. Answered: bread or pizza dough dense, hollandaise or bearnaise split, rice mushy, mash gluey, roast veg soggy, seared meat grey, caramel grainy, pastry shrinking, muffins tough, chicken breast dry, garlic bitter. Refused, never guessed: allergens, storage, leftovers, reheating, safe temperatures. Only a 200 answer is charged; refusals and 404s are free.
$0.02 USDC
predix-agent-api.fly.dev
Read SMX (Space Markets Stage 1) testnet event markets on space milestones, e.g. Starship Flight 14 and The Moon Race, on Base Sepolia (eip155:84532): list markets, market detail, or mid price in cents. Each read costs $0.01 test USDC via x402. Test collateral has no monetary value. This API does not place orders: trading is wallet-signed from your own wallet per https://smx.space/skill.md. Docs: https://smx.space/llms.txt
$0.01 USDC
agents.torbrooknews.com
List every page on a website: reads robots.txt and all sitemaps (including sitemap indexes), with last-modified dates; falls back to on-page links. Up to 5000 URLs. Also callable as GET with the same fields as query parameters.
$0.02 USDC
ai-data-marketplace-1042299154756.us-central1.run.app
Search 100 packaged federal government contract awards from USAspending.gov with a live source link for every award ID.
$0.01 USDC
supplier-payment-verifier-production.up.railway.app
Cheapest call. Validates an IBAN (ISO 13616 mod-97 checksum, length and country) before you pay it. Returns PASSED or FAILED with a reason code. Irish (IE) IBANs pass by default.
$0.005000 USDC
supplier-payment-verifier-production.up.railway.app
Validates the Irish VAT number format and check letter, then confirms registration live with EU VIES. Returns PASSED, FAILED or UNAVAILABLE (VIES outage) with a reason code.
$0.01 USDC
base-token-check.fly.dev
Check a Base address before an agent pays or approves it. Input: one address. Output: allow or warn. Reports wallet or contract, whether the wallet has sent a transaction, whether a contract already had code 7 days ago, and whether it is a proxy (EIP-1967, EIP-1167, or implementation()). Warns on contract_is_new, proxy, or no_outgoing_transactions. Wallet age is unknown. A deleted contract looks like a wallet. Not proof of theft.
$0.01 USDC
x402.agentutility.ai
Search a specific public website or domain through Decodo Google results by sending a query with a site: filter. The response includes ranked titles, URLs, snippets, and domains. If primary search is quota-limited, a marked GDELT fallback can return recent news-indexed pages from that domain with recency capped at 168 hours. Use it as a site search API, domain search tool, website search endpoint, or scoped web search for agents.
$0.006000 USDC
base-gas-x402-production.up.railway.app
Live gas cost across Base, OP Mainnet, Arbitrum One and Ethereum in one call, in USD and ETH, ranked cheapest first.
$0.01 USDC
x402.ottoai.services
AI image generation and editing via fal.ai, including memes. model: gpt-image-2 (default) | nano-banana-pro; anything else -> 400. Flat $0.15 per image. Supports image editing via public image URL.
$0.15 USDC
automaton-tx-explainer.vercel.app
Explain a Base transaction: status, fee, decoded method + args (openchain signature DB), and ERC-20 transfers with symbols and human amounts.
$0.01 USDC
imputation-fr.fly.dev
French accounting and bookkeeping: accounting entry for a purchase by a French firm (expense categorization, supplier invoice, chart of accounts PCG). Suited to: a purchase described in French. Not for: sales invoices, VAT number validation, company lookup. Returns: general ledger account, French VAT rate, regime, deductibility, rule with its source (CGI article, BOFiP or PCG), confidence. AI-made suggestion, not accountant advice. FR : imputation comptable, comptabilite PCG, TVA deductible.
$0.005000 USDC
api.sitecheck-api.workers.dev
Solana wallet holdings: SOL and every SPL / Token-2022 balance with name, symbol, USD price and value (Jupiter), sorted by value, plus the total in USD. Dust and unpriced tokens hidden unless includeDust=1. Information only.
$0.003000 USDC
api.sitecheck-api.workers.dev
US product recalls in one schema from openFDA enforcement reports (food, drug, device) and CPSC: date, product, firm, reason, FDA Class I/II/III mapped to high/medium/low (CPSC severity is derived from the hazard text), distribution and states, and the official link. Filter by keyword, since date (default 30 days), source and classification; up to 100 rows.
$0.003000 USDC
api.sitecheck-api.workers.dev
Issues or pull requests of a GitHub repository, searched by words and state (open, closed or all), newest updated first: number, title, state, labels, author, comments, dates and link. Needs the GITHUB_TOKEN secret; without it the call answers 503 and is not charged.
$0.002000 USDC
api.sitecheck-api.workers.dev
Structured data from a web page (url) or your own text: give a schema of up to 20 field names with what each holds, and get a JSON object with exactly those fields, null where the text does not state one. Llama 3.3 70B. Text is capped at 12,000 characters; a model answer that is not JSON is retried once, then not charged.
$0.004000 USDC
api.sitecheck-api.workers.dev
Search the current Hacker News 'Who is hiring?' thread: companies hiring, filtered by keywords and remote, with contact emails and links.
$0.01 USDC
api.sitecheck-api.workers.dev
Translation with Llama 3.1 8B: up to 6,000 characters per call, formatting, names, numbers and URLs kept, source language detected when not given. Language codes like en, tr, de, fr, es, ar, zh, or language names.
$0.002000 USDC
api.tickersfeed.net
Crypto Fear & Greed index — the market sentiment gauge (0 = extreme fear, 100 = extreme greed) with today's value, classification, and 7-day trend as JSON. Use for: crypto market sentiment, fear and greed check, contrarian signals, risk-on/risk-off timing, sentiment-driven trading. $0.001 USDC per call.
$0.001000 USDC
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