x402-services-production.up.railway.app

USDG (Global Dollar) on Robinhood Chain: total supply, holder count, contract. The chain's native stablecoin at a glance. Send {}.

THE canonical Robinhood Chain tokenized-stock registry: every RH tokenized equity symbol -> contract address, plus USDG. The first machine-readable registry for this chain. Send {}.

Robinhood Chain gas: current gas price, plus a gas estimate + ETH cost if you send { to, data?, from? }.

Robinhood Chain latest block: number, timestamp, tx count, gas used, base fee. The chain tip for RH Chain (chainId 4663) - the first paid RPC suite for this chain. Send {}.

AI Gateway model list: available LLMs per tier with prices and caps. The FIRST LLM inference gateway payable in USDG on Robinhood Chain (also USDC on Base/Polygon/Arbitrum/Solana). Send {}.

Solana pump.fun coins closest to graduating to Raydium: bonding-curve coins ranked by SOL raised, with approximate bonding progress %, market cap, age, and socials. Send { limit? }. Graduation migrates liquidity to Raydium and often spikes volatility — the classic snipe trigger.

Freshest Solana token launches from pump.fun: newest coins with age (seconds), USD market cap, SOL raised on the bonding curve, reply count, live flag, and socials. Send { limit?, maxAgeMin?, minMcapUsd? }. The real-time new-token radar for Solana sniper agents — pair with sol/rug-check before aping.

Cross-venue funding scan for every tokenized-stock perp: each ticker's funding across Lighter/Hyperliquid/Binance/Bybit, ranked by the most extreme rate, with mark price and a crowded-long/short squeeze bias. Send { limit? }. Spot the most squeezed tokenized-stock perps in one call.

Ranks Robinhood Chain tokenized-stock perps by funding carry: Lighter funding APR per ticker plus the cross-venue spread vs Binance/Bybit/Hyperliquid (funding-capture edge). Send { limit? }. Find the richest funding to harvest for tokenized-equity funding-arb agents.

Freshest tokens on Robinhood Chain: the newest tokenized stocks/RWAs to appear on-chain, deduped to first-seen per symbol, with age, price, liquidity, and a tokenized-equity flag. Send { limit?, equityOnly? }. First-mover asset alerts for agents that want in on new listings before the crowd.

Overnight/weekend gap radar: while the US cash market is closed, ranks tokenized stocks by how far their 24/7 Robinhood Chain price has repriced vs the last regular-market close, with projected gap up/down at the open. Send { tickers?, limit? }. The pre-open positioning edge for tokenized-equity agents.

US equity market session clock: is the underlying cash market (NYSE/Nasdaq) open, pre-market, after-hours, or closed right now, with holiday/half-day awareness and minutes-to-open/close. Send {}. The scheduling primitive every 24/7 Robinhood Chain agent needs to time premium/discount and gap trades around market hours.

Aave v3 position health: health factor, collateral, debt, liquidation buffer, and a risk verdict for a wallet. Send { address, chain? }. Know your liquidation risk before it hits.

Agent/wallet reputation score (0-100): a portable on-chain trust signal — activity, holdings, counterparty diversity, and sanctions — with a tier (untrusted/new/emerging/established/trusted). Send { address }. Decide whether to transact with a wallet in the agent economy.

Best-route swap quote across DEXes (KyberSwap aggregator): expected output, USD in/out, price impact %, gas cost, and the DEXes routed through. Send { chain, tokenIn, tokenOut, amountIn } (amountIn in smallest units). Quote only — never executes. Pre-trade routing for trading agents.

Copy-trade tracker: a wallet's recent token transfers on Base, labeled buy/sell, plus the tokens it just acquired. Send { address, limit? }. Follow smart-money wallets and mirror what they're buying.

Cross-venue arbitrage: prices a tokenized stock across every liquid Robinhood Chain pool/DEX and returns the high/low and spread %. Send { ticker, minLiquidityUsd? }. Spot mispricings between venues for on-chain arb agents.

DeFi LP yield opportunities on Robinhood Chain: pools ranked by estimated fee APR (fee tier x 24h volume / liquidity), with liquidity and volume. Send { limit?, minLiquidityUsd? }. Yield discovery for agents providing liquidity on Robinhood's L2.

Decode raw calldata into its function + arguments and flag dangerous patterns (unlimited approve, setApprovalForAll, permit, transferFrom). Send { data }. Understand what a transaction actually does before signing.

Deep analytics for a specific Robinhood Chain pool or token: price, liquidity, 24h volume, FDV, fee tier, estimated fee APR, and 24h price change. Send { address } (pool or token contract). Per-pool due diligence for LP and trading agents.

Estimate price impact and suggested max slippage for a trade of a given USD size against a token's live pool liquidity. Send { address, amountUsd, chain? }. Size positions correctly before executing a swap.

FIFO realized-gains estimate for a wallet: per-token and total realized profit/loss in USD from its Base ERC-20 trade history, priced at historical closes. Send { address }. Fast cost-basis/tax estimate (not filing-grade — see notes).

Full trading snapshot for a token: live price, liquidity, FDV, market cap, 5m/1h/6h/24h volume and price change, buy/sell counts, and pair age. Send { address, chain? }. Complete pre-trade due diligence in one call.

Full wallet portfolio: native ETH + all ERC-20 token balances for an address on Base, with amounts. Send { address }. Let agents read any wallet's holdings.

Holder & liquidity concentration analysis: top holder %, top-10 %, LP locked/burned %, holder list with contract/lock flags, and concentration risk warnings. Send { address, chain? }. Detect whale-dumps and rug risk before entering a position.

Liquidation-opportunity scanner: at-risk Morpho Blue borrower positions (health factor < 1) that can be liquidated for a bonus, with borrower, market, debt and collateral in USD. Send { chain?, minDebtUsd?, limit? }. Live liquidatable positions for searcher/liquidator agents.

List tokenized stocks & ETFs live on Robinhood Chain with on-chain prices, liquidity, and volume. Send {} for the default basket or { tickers: [...] } for specific ones. Discovery feed for agents building tokenized-equity strategies.

Live Base gas oracle: current gas price plus estimated cost (ETH & USD) for a transfer, swap, or mint. Send {} — no input needed. Agents budget transactions before acting.

Live crypto & token prices in USD. Send tickers or coingecko ids, e.g. { symbols: ["ETH","USDC","BTC"] }. Real-time on-chain pricing for finance and trading agents.

Live gas prices across major chains (Base, Ethereum, Arbitrum, Optimism, Polygon, BSC) with estimated USD cost of a swap. Send { chains? }. Time and route transactions for the cheapest execution.

OFAC sanctions screening: is this address on the US OFAC sanctioned-address list? Send { address }. Every agent moving money legally needs this pre-transaction check.

Odds for a specific Polymarket market by slug: outcomes, probabilities, volume, liquidity. Send { slug }.

On-chain governance activity via Snapshot: active (or recent) proposals ranked by voting power, with title, space, votes, and end time. Send { space?, state?, limit? }. Governance catalysts that can move token prices.

Open interest for a coin (with USD notional) or the top perps by open interest across Hyperliquid. Send { coin } or { limit }. Positioning & liquidity depth for derivatives agents.

Portfolio 24h PnL: unrealized profit/loss in USD and % on current holdings, plus the biggest movers. Send { address }. Track how the book is doing.

Portfolio concentration risk: top-holding %, HHI concentration index, stablecoin %, diversification flags. Send { address }. Spot dangerous concentration before it hurts.

Pre-sign safety verdict: one call decodes a pending transaction and checks sanctioned counterparties, unlimited-approval/drainer patterns, contract-vs-EOA, and whether it would revert — returning SAFE / CAUTION / DANGER with reasons. Send { chain, to, data, from?, value? }. The must-have guard every signing agent needs.

Prediction-market implied probabilities from Polymarket: search live event markets and get outcome probabilities, volume, and end date. Send { query, limit? }. Crowd-sourced odds for any event as a data feed.

Recommended max slippage for a planned swap based on live price impact plus a buffer, with a rating. Send { chain, tokenIn, tokenOut, amountIn }. Avoid failed txns and overpaying on slippage.

Robinhood Chain health snapshot: total value locked, 24h DEX volume, indexed pool count, and the top pools by liquidity. Send {}. Macro view of Robinhood's onchain economy for allocation and risk decisions.

Robinhood Chain live pools: new and trending liquidity pools on Robinhood's Ethereum L2 for tokenized stocks and DeFi, built for 24/7 agentic onchain trading. Send { limit? }. First-mover data feed for agents trading Robinhood Chain's tokenized-stock and RWA ecosystem.

Robinhood Chain tokenized-stock quote: pass a stock ticker (NVDA, AAPL, TSLA...) and get its canonical on-chain token on Robinhood's L2 with live price, liquidity, 24h volume, and premium/discount vs the real-world share price. Scam-token filtered. Send { ticker }. The price feed for agents trading tokenized equities 24/7.

Sandwich / MEV risk score for a planned swap, from price impact and trade size, with concrete mitigations (private RPC, tighter slippage, order splitting). Send { chain, tokenIn, tokenOut, amountIn }. Trade without getting sandwiched.

Search tokens and trading pairs across all chains by name, symbol, or address, ranked with price, liquidity, and 24h volume. Send { query, limit? }. Find the right contract fast before sniping.

Snipe new token launches: the freshest liquidity pools on a chain, newest first, with pool age in seconds, price, FDV, and liquidity. Send { chain, limit?, minLiquidityUsd? }. Supports Base, Solana, Ethereum, Arbitrum, BSC, Polygon, Optimism, Avalanche, and Robinhood Chain. The core new-pair detection signal for sniping bots and trading agents.

Tainted-funds tracing: does this wallet's incoming money trace back to a sanctioned address within N hops? Multi-hop fund-flow trace on Base. Send { address, hops? }. Screen incoming payments before accepting them.

Token-approval / allowance risk scanner: recent ERC-20 approvals a wallet granted, which are unlimited, and to whom. Send { chain, owner, windows? }. Find risky allowances that could drain your tokens and should be revoked.

Top DeFi yield opportunities across chains from DeFiLlama, filterable by chain/project/min-TVL, ranked by APY. Send { chain?, project?, minTvl?, limit? }. Yield discovery for finance agents.

Top movers on Robinhood Chain: biggest 24h gainers (or losers) among liquid pools, with price change, liquidity, and volume. Send { limit?, direction? }. Momentum radar for the Robinhood Chain market.

Transaction simulation: will this tx succeed or revert, and why? Returns success/revert reason, return data, and decoded action. Send { chain, to, data, from?, value? }. Dry-run before signing.

Transaction status & receipt on Base: confirmations, success/fail, from/to, value, fee, method. Send { hash }. Agents confirm their on-chain actions settled.

Trending / hottest pools on a chain right now, ranked by volume and momentum, with price change, volume, and liquidity. Send { chain, limit? }. Supports Base, Solana, Ethereum, Arbitrum, BSC, and Robinhood Chain. Momentum discovery for trading agents chasing volume.

Wallet activity summary: recent transactions, top methods called, distinct counterparties, and latest actions for an address on Base. Send { address }. Agents profile what a wallet does.

Wallet net worth: total USD value, positions, and allocation % across a wallet's Base holdings. Send { address }. Instant portfolio snapshot for treasury agents.

Add/subtract business days (skips weekends + given holidays). Send { start?, addDays, holidays?, timezone? }.

Address risk score (0-100): OFAC status, interaction with sanctioned addresses, contract verification, and activity, with a risk level and flags. Send { address }. Chainalysis-lite risk in one call.

Agent Memory: durable key-value storage that survives between agent runs. Write a JSON value (16KB max) under a key. First write to a namespace claims it with your secret token. Send { ns, token, key, value }.

Agent Memory: read a stored value by key, or omit key to list all keys in your namespace. Send { ns, token, key? }.

All Hyperliquid perp markets with mark price, funding APR, open interest, 24h volume, and basis, sorted by volume, open interest, or funding. Send { limit?, sort? }. Full derivatives market map for trading agents.

Apply a regex to text and return all matches + capture groups (deterministic; LLMs guess regex wrong). Send { pattern, text, flags? }.

Atomic counter: increment-and-return a named counter (collision-free running totals & IDs across agent runs). Send { name, token, by? }.

Batch link-liveness: check up to 50 URLs return 200 (dead-link detection). Send { urls: [..] }.

Bazaar Scout: detailed health report + probe history for one x402 service.

Bazaar Scout: independently measured health rankings of x402 services (uptime, latency, payment-terms validity). Query: limit, network, tag.

Best supply/lending APYs for an asset across Aave, Compound, Morpho, Spark and more, ranked by yield with TVL. Send { asset, chain? }. Rate-shop where to lend.

Black-Scholes option pricing: fair value + full greeks (delta, gamma, vega, theta, rho) for ANY option, listed or not. Send { type, spot, strike, daysToExpiry, iv, rate? }. Price any crypto option, not just exchange-listed strikes.

Check the state of a conditional-payment agreement (pending/released/refunded/expired). Send { id }.

Contract decoder: pass a verified 0x contract address to get its function ABI, or a 0x-selector (8 hex) to decode which function it is. Send { input }. Agents understand contracts before calling them.

Convert an amount between any two crypto/fiat assets at live rates. Send { amount, from, to }, e.g. convert 1.5 ETH to USDC. Instant FX for agents pricing on-chain actions.

Convert raw HTML to clean, LLM-ready markdown. Strips nav/script/style noise.

Create an agent-to-agent conditional-payment agreement: payer, payee, amount, release condition, deadline — returns an id both parties track. Send { token, payer, payee, amountUsdc, condition, deadline? }. Coordination + resolution layer for A2A commerce (registry, not fund custody).

Cross-venue funding-rate arbitrage for a coin: annualized funding on Hyperliquid vs Binance vs Bybit, the spread, and the delta-neutral long/short leg to capture it. Send { coin }. Delta-neutral yield signal for funding-arb agents.

Crypto Fear & Greed index (0=extreme fear, 100=extreme greed) with weekly trend — a contrarian market-sentiment signal. Send {}.

Date/time math + timezones. op: now | convert | add | diff. Send { op, time?, timezone?, amount?, unit?, to? }.

Dead-man's switch: heartbeat to keep the switch from firing. Send { id, token }.

Dead-man's switch: if you don't ping within intervalSec, we POST your webhook. Detects crashed agents. Send { id, token, url, intervalSec }.

Distributed lock: acquire a named lock for ttlSec so only one agent proceeds. Returns acquired:false if held. Send { name, token, ttlSec? }.

Entity labeling: is this address an EOA, a (proxy) contract, a known protocol, or flagged as scam — with name and public tags. Send { address }.

Explain a cron expression: the next N run times in a timezone. Send { expression, count?, timezone? }.

Extract structured data (title, links, meta, headings, text) from HTML as JSON.

Fast yes/no honeypot check for a token before buying: is it sellable, buy/sell tax, and whether the creator has deployed honeypots before. Send { address, chain? }. Cheap, instant pre-trade gate against unsellable scam tokens.

Fetch any public web page and return clean, LLM-ready markdown (plus title and final URL). Send { url }. We handle fetching, redirects, and noise-stripping.

Fetch any public web page and return structured JSON: title, meta description, headings, links, text preview. Send { url }.

Find protocols that have tracked token-unlock schedules, by name substring. Send { query }. Use the returned slug with catalysts/unlocks.

Full options chain for a currency & expiry: per-strike calls & puts with mark price, implied volatility, and open interest. Send { currency, expiry? }. The complete options board for BTC/ETH/SOL.

Full rug/honeypot audit for a token: honeypot detection, buy/sell tax, source verification, mint/pause/blacklist/hidden-owner privileges, proxy check, holder & LP counts, plus a 0-100 risk score and plain-English verdict (AVOID / HIGH RISK / CAUTION / LOOKS OK). Send { address, chain? }. The must-have pre-buy safety gate for any trading agent.

Highest-volume live prediction markets — what the crowd is actively pricing right now. Send { limit? }.

Idempotency key: returns firstTime:true only once per key within ttl (dedupe retries/double-sends). Send { key, token, ttlSec? }.

Implied-volatility term structure: ATM IV per expiry and front-month IV for a currency. Rising IV = rising expected volatility. Send { currency }.

List conditional-payment agreements for your token (yours) or a party address (involving that address). Send { token } or { party }.

Live crypto option quote from Deribit: mark price, IV, open interest, greeks, underlying. Send { instrument } (e.g. BTC-28AUG26-70000-C) or { currency, strike, type, expiry? }. Real listed-option pricing for BTC/ETH/SOL.

Max-pain strike + put/call open-interest ratio for an expiry — the price level where option holders lose most; a positioning/magnet signal. Send { currency, expiry? }.

OHLCV candles for a DEX pool (open/high/low/close/volume) at minute/hour/day resolution. Send { chain, pool, timeframe?, limit? }. Charting data for any pool.

Perp funding extremes: coins with the highest funding (crowded longs) and lowest/negative funding (crowded shorts) — squeeze and mean-reversion signals. Send { limit? }. Momentum & contrarian radar for perp traders.

Perp-vs-spot basis for a coin: mark price vs spot oracle, basis %, annualized carry, and contango/backwardation signal. Send { coin }. Basis-trade and cash-and-carry signal.

Perpetual funding rate for a coin on Hyperliquid: current hourly rate, annualized APR, mark & spot-oracle price, open interest, 24h volume, premium, plus cross-venue funding (Hyperliquid/Binance/Bybit). Send { coin }. Core signal for perp traders and funding-rate strategies.

Point-in-time historical price: what did a token cost at a past date/timestamp? Send { coin, when }. Essential for backtesting, accounting, and audits.

Prediction-market arbitrage scanner: markets whose outcome prices sum below $1, implying a risk-free edge before fees. Send { query?, minEdgePct? }.

Premium/discount arbitrage signal: compares a tokenized stock's live Robinhood Chain price against the real-world equity price and returns the premium/discount % plus a buy-onchain/sell-equity signal. Send { ticker }. The core edge for tokenized-equity arb agents trading 24/7 vs market hours.

Pub/sub: fetch messages on a topic newer than a sequence number. Send { topic, token, since? }.

Pub/sub: publish a message to a topic. Send { topic, token, data }.

Rate-limit token bucket: shared self-throttle. Returns allowed + remaining. Send { bucket, token, capacity, refillPerSec, cost? }.

Recurring webhook: fire your URL on a cron schedule (repeats). Send { token, url, cron, payload?, method? }.

Release a distributed lock you hold. Send { name, token, holder? }.

Resolve a conditional-payment agreement: the creator marks 'release' (pay payee) or 'refund' (return to payer); returns a settlement instruction to execute over x402. Send { id, token, outcome, note? }.

Resolve an ENS name or Basename to an address, or reverse-resolve a 0x address to its name + avatar. Send { input }. Human-readable identity for agents.

Shared blackboard: read one key or list all keys+entries. Send { board, token, key? }.

Shared blackboard: set a versioned key on a multi-writer board. Send { board, token, key, value }.

Structured deep diff of two JSON values (added/removed/changed by path). Send { a, b }.

Task queue: append a JSON item to a named queue for later/other agents. Send { name, token, item }.

Task queue: pop the oldest item from a named queue (FIFO). Send { name, token }.

Technical indicators for a token computed from daily closes: RSI(14), SMA20/50, EMA12/26, MACD, with bullish/bearish signals. Send { coin, days? }.

Token intelligence: name, symbol, supply, holder count, source-verification, and safety signals for a contract. Send { address }. Agents vet a token before touching it.

Token unlock / vesting schedule for a protocol: next unlock date, token amount, USD value, category and type, plus upcoming events. Send { protocol } (slug, e.g. "aptos", "arbitrum"). Large unlocks are the most reliable supply-shock catalysts — front-run sell pressure.

Upcoming token-unlock calendar: the biggest unlocks across a basket of tokens within N days, ranked by USD value. Send { protocols?, days? }. See which supply shocks are coming and when.

Validate data against a JSON Schema (strict). Returns valid + detailed errors. Send { schema, data }.

Webhook Scheduler: check a scheduled job's status and last delivery result. Send { token, id }.

Webhook Scheduler: schedule a future HTTP callback. At fireAt, we call your url with the payload. Agents' alarm clock for async work. Send { token, url, fireAt (ISO-8601), payload?, method? }.

Webhook inbox: fetch captured messages newer than a timestamp. Send { id, token, since? }.

Webhook inbox: get a disposable URL that captures inbound POSTs for you to poll. Send { token }.