| Ot Asset Risk Verdict API OT asset risk verdict. Pass ?vendor=siemens&model=s7-1500§or=energy&network=internet-facing. Returns risk_score (0-100), risk_level, escalate (boolean), recommended_action, active CVEs, and threat actors. Optional firmware param enables firmware-specific CVE matching. Cached 1 hour. | onrender.com | - | $0.05 | listed |
| Ot/ics Patch Feasibility For A Cve API OT/ICS patch feasibility for a CVE. Pass ?id=CVE-XXXX-XXXX. Returns patch availability, OT-safe workarounds, patch complexity per ICS layer, estimated downtime, safe-to-patch-live flag, deployment strategy, and risk-vs-disruption score 1-10. | onrender.com | - | $0.05 | listed |
| PBKDF2 key derivation / password hashing / KDF / scrypt alternative / stretch password / derive encryption key / password-based key derivation / iterations / salt. Derive a cryptographic key from a pa PBKDF2 key derivation / password hashing / KDF / scrypt alternative / stretch password / derive encryption key / password-based key derivation / iterations / salt. Derive a cryptographic key from a password using PBKDF2 with configurable iterations, salt, and hash algorithm. | x402node.dev | - | $0.005 | listed |
| Paid ($0.01 USDC Via X402) API Paid ($0.01 USDC via x402). Active AI-business narratives with lifecycle stage, driving sources, and momentum. Proxied from the Pulse service. Compute-first / settle-after — you are never charged when Pulse is unavailable or returns an error. | signalis.dev | - | $0.01 | listed |
| Palmyr Palmyr: POST /social/twitter/buy | palmyr.ai | - | $5,000,000.00 | listed |
| Palmyr Cards Buy a USA prepaid Visa card loaded with exactly the requested balance ($5–$1000). Price is dynamic: amount + fee (3% min $0.50) — send unpaid to get a 402 with the exact total. Body: { amount }. Returns 202 + poll_url; card number/CVV via GET /cards/:id when ready (~10s). US merchants only; non-reloadable. | palmyr.ai | - | $20,600,000.00 | listed |
| Palmyr Social List recent tweets from an X account you control. | palmyr.ai | - | $5,000.00 | listed |
| Parcel Facts For An Address API Parcel facts for an address. Perfect for: 'what is the lot size / acreage of this property', 'year built for an address', 'land use / zoning class of a parcel', 'look up parcel details'. Resolves a US street address to cited, PII-safe parcel facts (land use, acreage, year built, derived county/municipality) from wired official parcel sources. Owner/mailing never returned; assessed value, last sale, and tax are the paid place report. Charge-free when no parcel resolves. | locus.report | - | $0.01 | listed |
| Password generator / strong password / random password / secure password generator / crypto-safe password / password maker / generate strong password / customizable password length / pronounceable pas Password generator / strong password / random password / secure password generator / crypto-safe password / password maker / generate strong password / customizable password length / pronounceable password / random secure pass. Generate cryptographically random password with custom length and character set rules. | x402node.dev | - | $0.0015 | listed |
| Pay 10 USDC to participate in 402onbnb token sale (one payment per address only) Pay 10 USDC to participate in 402onbnb token sale (one payment per address only) | 402bnb.fun | ai | $10.00 | listed |
| Pay with base Custom Job Search — an agent-callable custom job search service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.005 USD per call. | agnichub.xyz | ai | $0.005 | listed |
| Pay with base Technewsfeed Opentechnewsfeed — an agent-callable technewsfeed opentechnewsfeed service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.0005 USD per call. | agnichub.xyz | ai | $0.0005 | listed |
| Pay with base Custom Trading Indicators — an agent-callable custom trading indicators service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.001 USD per call. | agnichub.xyz | ai | $0.001 | listed |
| Pay with base Custom Crypto Chart Data — an agent-callable custom crypto chart data service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.001 USD per call. | agnichub.xyz | ai | $0.001 | listed |
| Pay with base Historical Market Timeseries Aapl — an agent-callable historical market timeseries aapl service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.01 USD per call. | agnichub.xyz | ai | $0.01 | listed |
| Pay with base Custom Technewsfeed — an agent-callable custom technewsfeed service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.0005 USD per call. | agnichub.xyz | ai | $0.0005 | listed |
| Payment of 20000 USDC for Payment for Lean In - Sheryl Sandberg Payment of 20000 USDC for Payment for Lean In - Sheryl Sandberg | mypinata.cloud | ai | $0.02 | listed |
| Payroll Tokens Payroll Tokens — an agent-callable payroll tokens service, payable over x402 (USDC on Base). Provided via gateway.spraay.app. Priced around 0.002 USD per call. | spraay.app | - | $0.002 | listed |
| Percentage calculator / percent of / percent change / percent increase decrease / what percentage / tip calculator / discount calculator / markup / margin. Compute percent operations: X percent of Y, Percentage calculator / percent of / percent change / percent increase decrease / what percentage / tip calculator / discount calculator / markup / margin. Compute percent operations: X percent of Y, what percent X is of Y, percent change from X to Y, X increased or decreased by Y percent. | x402node.dev | - | $0.005 | listed |
| Perpetual funding rates for multiple coins in one call with extreme-rate flags signalling crowded positioning or funding arbitrage - real-time derivatives data agents monitor repeatedly, in a single r Perpetual funding rates for multiple coins in one call with extreme-rate flags signalling crowded positioning or funding arbitrage - real-time derivatives data agents monitor repeatedly, in a single request instead of N. funding rates, perp funding, funding rate multi, funding arbitrage, perpetual rates, batch funding | x402node.dev | - | $0.006 | listed |
| Personal use | Powered by Questflow Personal use | Powered by Questflow | dctx.link | ai | $0.50 | listed |
| Personal use | Powered by Questflow Personal use | Powered by Questflow | dctx.link | ai | $0.50 | listed |
| Personal use | Powered by Questflow Personal use | Powered by Questflow | dctx.link | ai | $0.50 | listed |
| PetPulse Vet cost estimator / pet procedure price check for pet-owner and pet-care agents. Returns cost ranges for a vet procedure by region, questions to ask the vet, lower-cost alternatives, and financing options (CareCredit). Pet-info guide, not a binding quote. | theaslangroupllc.com | - | $0.08 | listed |
| PetPulse Dog and cat breed health guide for pet-owner and pet-care agents. Returns breed-specific genetic health risks, nutrition, exercise, and grooming guidance for any breed worldwide. Pet-info check, not a veterinary diagnosis. | theaslangroupllc.com | - | $0.08 | listed |
| Polymarket Resolution Polymarket resolution status via Gamma API — market resolution, winning outcome and resolution source lookup by slug or condition id (or list recent resolved markets). Distinct from live odds: returns whether a market is closed and which outcome won. Coverage Polymarket markets. | onrender.com | - | $0.01 | listed |
| Prediction Market Arbitrage API Paid x402 endpoint for arbitrage opportunities between prediction-market platforms. | klymax402.com | - | $0.002 | listed |
| Prediction Market Arbitrage API Paid x402 endpoint for arbitrage opportunities between prediction-market platforms. | axryl.com | ai | $0.25 | listed |
| Premium alpha — Curated on-chain alpha: yield venues, mempool anomalies, and replayable agent trade intents. Premium alpha — Curated on-chain alpha: yield venues, mempool anomalies, and replayable agent trade intents. | vercel.app | - | $0.01 | listed |
| Profile API Scrape a Twitter/X user profile -- bio, stats, avatar, banner, pinned tweet, verification status. | klymax402.com | - | $0.012 | listed |
| Profile any address on five EVM chains: contract or EOA detection, bytecode size, transaction nonce and native balance. address type, contract detection, is contract or wallet, address profile, eoa ch Profile any address on five EVM chains: contract or EOA detection, bytecode size, transaction nonce and native balance. address type, contract detection, is contract or wallet, address profile, eoa check, onchain identity | x402node.dev | - | $0.005 | listed |
| Profiles Comparison Profiles Comparison — an agent-callable profiles comparison service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.02 USD per call. | cryptoetfsentinel.com | - | $0.02 | listed |
| Profiles History Profiles History — an agent-callable profiles history service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.03 USD per call. | cryptoetfsentinel.com | - | $0.03 | listed |
| Profiles Issuer Profiles Issuer — an agent-callable profiles issuer service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.02 USD per call. | cryptoetfsentinel.com | - | $0.02 | listed |
| Profiles Latest Profiles Latest — an agent-callable profiles latest service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.03 USD per call. | cryptoetfsentinel.com | - | $0.03 | listed |
| PropPulse UK council-tax banding challenge check — neighbor-band cluster analysis against the free official VOA/SAA lookups, statutory route selection (formal proposal vs informal review, England/Wales/Scotland variants incl. the post-2023 Local Taxation Chamber), verified timelines (4/12-month decisions, 3/4-month appeals), evidence rules (the VOA rejects house-price-index data — verified), and the mandatory band-can-go-UP risk gate. Refunds backdate. No LLM. | theaslangroupllc.com | - | $0.05 | listed |
| QuickPoll Query curated survey data (Eurobarometer, Gallup, World Bank) with LLM analysis — get cited data points on consumer sentiment, public opinion, and economic indicators across countries | x402.press | - | $0.25 | listed |
| ReadX A user's timeline filtered to tweets with media. Example: GET /api/jack/with_media | readx.sh | - | $0.01 | listed |
| ReadX Just the user's pinned tweet, if any. Example: GET /api/jack/pinned | readx.sh | - | $0.01 | listed |
| ReadX A Spaces / broadcast: title, state, watch count, replay m3u8. Example: GET /api/broadcasts/1 | readx.sh | - | $0.01 | listed |
| Relative time formatter / time ago / X minutes ago / in 2 hours / human readable time / fuzzy time / relative datetime / social media timestamps. Format a datetime as relative to now or another base ( Relative time formatter / time ago / X minutes ago / in 2 hours / human readable time / fuzzy time / relative datetime / social media timestamps. Format a datetime as relative to now or another base (e.g. '3 hours ago', 'in 2 days'). | x402node.dev | - | $0.005 | listed |
| Relaystation PDF Diff $0.001/page. Text-compare two PDFs into a unified diff — spot every change between versions. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Reloadpi API Reloadpi — Order status and refund schema. Returns the fulfillment state machine, polling URL, and refund endpoint for any paid order. | reloadpi.com | - | $0.001 | listed |
| Reloadpi API Reloadpi — Voucher purchase schema. Returns request format, recipient fields, priceType handling, and example for POST /vouchers/purchase. | reloadpi.com | - | $0.001 | listed |
| RemittancePulse Best way to send money on a corridor: best providers, transfer fees, exchange rates, and receive options for any send-receive country pair. Cheapest remittance route plus FX-rate environment (carry/funding context) for any from/to corridor and amount. Worldwide corridors. | theaslangroupllc.com | - | $0.08 | listed |
| Rigoblock Build an unsigned operator EOA transaction that swaps ETH on the on-chain oracle's dedicated Uniswap V4 pool to create a fresh price observation and fix a stale TWAP feed. Use when the Swap Shield blocks a trade due to oracle price divergence. | rigoblock.com | - | $0.0023 | listed |
| RiskPulse Country risk profile, political risk rating, security and travel-safety intelligence for any country. Covers political, economic, security, health, and legal risk dimensions using governance, conflict, and earthquake data. | theaslangroupllc.com | - | $0.10 | listed |
| Robots List Robots List — an agent-callable robots list service, payable over x402 (USDC on Base). Provided via gateway.spraay.app. Priced around 0.005 USD per call. | spraay.app | - | $0.005 | listed |
| SafePulse Food and drug safety lookup for consumer and safety agents. Returns FDA and USDA recalls, contamination alerts, and drug recall data for any product. | theaslangroupllc.com | - | $0.08 | listed |
| SafePulse Vehicle safety lookup for car-buyer and safety agents. Returns NHTSA recalls, complaints, and crash ratings for any year/make/model. | theaslangroupllc.com | - | $0.10 | listed |