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quickbuild.quynguyenbac.workers.dev
Balances of one address on Base mainnet in a single call: native ETH, the well-known tokens USDC, USDT, USDbC, DAI, WETH, cbETH, wstETH, AERO (non-zero only, or all with includeZero=true), plus up to 10 extra ERC-20 contracts you pass in `tokens` (symbol/name/decimals read on-chain). Also nonce, account type (EOA, EIP-7702 delegated EOA, or contract) and a USD total for ETH/WETH (Chainlink) and stablecoins. Read live from public Base RPC via Multicall3; cached 10 s. All params optional:...
$0.002000 USDC
mnemos-agent.onrender.com
MNEMOS current cached options and anomaly intelligence
$0.003000 USDC
voice.madebydevx.com
Speech to text for agents: send an audio URL, base64 or raw audio (WAV, MP3, FLAC, OGG, M4A, WebM; up to 20 min / 10 MB) and get the transcript, language, timed segments and WebVTT subtitles. Optional task=translate gives English text. $0.002 USDC per started minute on Base; failed or silent audio is not charged. Whisper large-v3-turbo. By DevX.
$0.002000 USDC
quickbuild.quynguyenbac.workers.dev
Look up one transaction on Base mainnet by hash: status (success, failed or pending), block, timestamp, confirmations, from/to, value, method id, gas used, effective gas price, fee split into L2 execution and L1 data fee (ETH and USD), contract created, and decoded ERC-20 Transfer events (token, symbol, from, to, amount; up to 20). Useful to confirm a payment landed. Read live from public Base RPC. All params optional: defaults to a confirmed USDC x402 payment. Unknown hash = 404, invalid...
$0.002000 USDC
voice.madebydevx.com
OCR for agents: send an image URL or base64 (PNG, JPEG, WebP, GIF; up to 3 MB) and get the text it contains in reading order, as plain text or Markdown (tables, lists). Works on screenshots, receipts, invoices, signs and documents. $0.002 USDC per image on Base; images with no readable text are not charged. Gemma 4 vision. By DevX.
$0.002000 USDC
voice.madebydevx.com
Machine translation for agents between 100 languages: send text (up to 5,000 chars), target_lang and optional source_lang (auto-detect by default) and get the translation. $0.001 USDC per started 1,000 characters on Base; failures are not charged. LibreTranslate/dTelecom-style {q, source, target} also accepted at /v1/translation. M2M100 1.2B. By DevX.
$0.001000 USDC
peyon.ai
Cheapest way to buy N #PIXEL on the Normies Pixel Market right now, listing by listing, with the total in ETH.
$0.01 USDC
peyon.ai
A story editor's read of a logline or synopsis through the Hero's Journey (Vogler's twelve stages): which stages are present, implied or missing, protagonist want and need, stakes, the biggest gaps, and a sharper logline. Up to 4,000 characters.
$0.05 USDC
x402.valunaria.com
VALUNARIA Evidence Fast
$0.05 USDC
api.agentpaywire.com
Subscribe a webhook to Agent Paywire alerts for 30 days. POST JSON with webhook_url and one to four topics: sdk-security, lightning-releases, lightning-wallets, protocol-specs. One subscription is 2.00 USDC. The token and HMAC secret are returned once.
$2.00 USDC
x402.valunaria.com
VALUNARIA Research
$0.25 USDC
quickbuild.quynguyenbac.workers.dev
Foreign-exchange rates from one base currency (`from`, default USD) to a list of currencies (`to`, comma-separated, or "all"; default 14 majors incl. EUR, GBP, JPY, CNY, INR, KRW, VND), with `amount` converted. Live mode uses Coinbase public exchange rates (updated about every minute, 160+ ISO 4217 currencies plus XAU/XAG), falling back to exchangerate-api daily rates. With `date=YYYY-MM-DD` it returns the ECB reference rates for that day (Frankfurter, ~30 major currencies, back to...
$0.002000 USDC
tanod.dev
UTC time and latest Base block. Use when you need a clock.
$0.001000 USDC
api.agentpaywire.com
Check whether a public URL exposes L402, x402, or MPP discovery. Send url as a query parameter. POST JSON {"url":"https://..."} is the same check. Two free reports per client per 24 hours, then 0.05 USDC. A request without url is the payment challenge and does not use a free report.
$0.05 USDC
api.agentpaywire.com
Verify a public http or https provider URL for L402, x402, or MPP. POST JSON with required url and optional protocol (l402, x402, or mpp), library_id, and contact. Returns a report id and passed or failed. One verification is 1.00 USDC. Payment does not affect library inclusion or ranking.
$1.00 USDC
api.agentpaywire.com
Buy prepaid calls for any paid Agent Paywire route. POST JSON with calls set to 100 (0.80 USDC) or 1000 (7.00 USDC). Packs last 90 days. This request is 0.80 USDC. The bearer token is returned once.
$0.80 USDC
piquesignal.xyz
We catch Solana memecoins early: 8,800+ coins hit 5x, 4,100+ hit 10x and 504+ hit 100x from our first flag (all-time, Oct 24 2026: https://piquesignal.xyz/track-record). One $0.02 USDC call, no account, returns our full board. Each coin gets Clear-Eyes, a live read of whether it is still real and climbing or fading and rugging; Real Crowd, how many holders are real (when known); a Fake Volume flag if faked; a dex-paid check; market data. Passes add Early Edge: coins smart wallets bought early.
0.02 tokens
myceliumfinance.com
Mycelium Market Snapshot — live Mycelium Strategy liquidity allocation plus Solana top-performing tokens, in one JSON call. MYC reward: the first payment from a Solana wallet also sends 1337 MYC to the paying wallet (one reward per wallet).
0.05 tokens
api.ransomware-tracker.com
Was this company hit by ransomware? Leak-site claim lookup by company name or domain. $0.01 USDC on Base per call. Returns matching ransomware-group claims with group, dates, country, sector and sources. Don't use this as proof of a breach; these are unverified claims from criminal leak sites.
$0.01 USDC
onchaincheck.dev
Whale and large-trade tracker for an ERC-20 on Ethereum: every buy and sell in the last N minutes on the token's deepest WETH/USDC pools (Uniswap v3), with USD size, side, wallet and transaction for the largest trades, buy/sell volume and net flow, and the wallets that bought or sold the most.
$0.02 USDC
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