Every agent-payable API.

Call OpenAI's gpt-4.1-mini via a single pay-per-call x402 endpoint — no OpenAI account or API key needed, pay $0.005 per request in USDC. Standard OpenAI chat.completions request/response shape, capped input and output. Search terms: OpenAI, gpt-4.1-mini, chat completion, LLM, no API key.

Text summarizer / summarization API — condense text, Markdown, or a URL into a TL;DR plus key bullet points using Claude Haiku. Accepts raw text or a URL (fetched and extracted), enforces an input cap, and returns a clean structured summary so agents can compress documents and articles in one call.

Call OpenAI's gpt-5-nano via a single pay-per-call x402 endpoint — no OpenAI account or API key needed, pay $0.005 per request in USDC. Standard OpenAI chat.completions request/response shape, capped input and output. Search terms: OpenAI, gpt-5-nano, chat completion, LLM, no API key.

Call OpenAI's gpt-5.4-nano via a single pay-per-call x402 endpoint — no OpenAI account or API key needed, pay $0.005 per request in USDC. Standard OpenAI chat.completions request/response shape, capped input and output. Search terms: OpenAI, gpt-5.4-nano, chat completion, LLM, no API key.

Email deliverability & domain security check — validates SPF, DKIM (multi-selector), and DMARC, detects spoofing and misconfigurations, and returns an A–F email security grade with transparent deductions. Anti-spam / anti-phishing readiness for any sending domain.

Ask for a triangulated news report on a topic, sourced from 125+ global outlets.

News Hn User — an agent-callable news hn user service, payable over x402 (USDC on Base). Provided via 2s.io. Priced around 0.0012 USD per call.

News Search — an agent-callable news search service, payable over x402 (USDC on Base). Provided via 2s.io. Priced around 0.009 USD per call.

Normalized NHTSA vPIC VIN decode (?vin=) — make/model/year/engine/body/… with fetch provenance, plus ORIGINAL factory new-vehicle warranty terms (basic/powertrain/corrosion/roadside/EV battery) keyed off make + model-year.

OnRamperX is a non-custodial value router for agents and humans: fiat<->crypto and cross-chain via one quote interface (Coinbase Onramp v2, Relay, x402). This endpoint returns the router's live capabilities and rail status; use /api/x402/quote for a ranked route. Settlement centers on USDC on Base.

Onchain ETH, BTC or LINK USD price straight from Chainlink mainnet oracles with round id, update time and the feed address for auditability. token price, eth price usd, btc price oracle, chainlink price feed, onchain price data

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes. Customers earn real value with every purchase. AI agents automate the rest.

How real-world assets get tokenized — platform landscape, legal structures and the real cost. For fintech and tokenization agents.

Honeypot, rug & token-safety scanner for Solana memecoins — instant pre-trade check of mint/freeze authority, LP lock/burn, holder & dev concentration and insider flags, fused with live liquidity, buy/sell flow and age into one deterministic CLEAR / CAUTION / AVOID verdict for any SPL token. For Solana trading & sniping agents.

One property in, everything we know out: pass ?address= or ?apn= (parcel id; plus optional city/state) and get every matching record across all Hermes feeds — active multifamily listings with underwriting, county tax-delinquency signals, and upcoming sheriff-sale auctions, each with its public source URL. Task-shaped for agents: one property question, one call. No match returns free — you never pay for a blank.

One-call token safety check that aggregates contract verification, on-chain age, proxy status and market cap rank into a single risk score and verdict - combines multiple sources an agent would otherwise query and reason over separately. token checkup, token safety score, token risk, is token safe, rug check, token due diligence

Opportunity Subscribe — an agent-callable opportunity subscribe service, payable over x402 (USDC on Base). Provided via flipr-x402.fly.dev. Priced around 0.001 USD per call.

Oracle Gas — an agent-callable oracle gas service, payable over x402 (USDC on Base). Provided via gateway.spraay.app. Priced around 0.005 USD per call.

Trade-lot holding-period and realized-gain calculator for trading agents: per-lot days held, the exact date each lot's gain character turns long-term, and FIFO / specific-identification allocation of a proposed sell with realized gain per lot and per-character totals. Deterministic arithmetic on caller-supplied lots with the published threshold cited (IRC §1222: held more than one year) — counts, dates, and dollars only, never advice. Nothing is stored.

T+1 settlement-date calculator for trading agents: the settlement date for each caller-supplied equity trade and whether it has settled as of a given date, on the versioned NYSE holiday calendar, with SEC Rule 15c6-1 cited as a published rule. Dates and counts only, never a violation determination. Nothing is stored.

Get tokens that moved significantly during off-hours (midnight to 8am UTC) with AI-generated analysis of what happened while you slept.

OyaPicks: biggest prediction-market probability swings (movers)

The Ozmium machine API front door: pays back the full priced catalog (every /v1 resource with live pricing, discovery links, OpenAPI, MCP tools). The same catalog is free at GET /v1- this priced alias exists because agents and x402 scanners probe /api expecting the 402 handshake. GET /api.

Morpho Blue borrow calldata (draw the loan asset against posted collateral) with verified MarketParams. POST /v1/tx/loan/borrow { marketId, assets (atomic), owner }.

Gains Network position management calldata by trade index, EXACT scaling (leverage x1e3, prices x1e10, USDC 6dp, slippage x1e3). POST /v1/tx/risk/modify { index, action, ... Full details: GET /v1.

Tip the shared Ozmium Prop desk treasury (funds the Prop Flywheel- swap fees burn OZ / fund the desk). A plain transfer to the fixed treasury address; nobody custodies your funds. POST /v1/tx/tip { amount (atomic), token? (omit / native sentinel = ETH) }. Returns { to, data, value } steps.

Aave v3 (Base) supply calldata for a reserve underlying (approve step included when the live allowance is short; referralCode 0, onBehalfOf owner). POST /v1/tx/earn/aave/supply { asset, amount (atomic), owner }. Returns ordered { to, data, value } steps.

Morpho Blue supplyCollateral calldata with MarketParams fetched live by marketId and re-derived (wrong-market proof); collateral approve step included when needed. POST /v1/tx/loan/supply-collateral { marketId, assets (atomic), owner }.

Executable Base mainnet swap via the Coinbase CDP Trade API: returns the unsigned transaction + permit2 payload exactly as CDP quotes it; the agent signs with its own wallet. POST /v1/tx/swap { fromToken, toToken, fromAmount (atomic), taker, signerAddress?, slippageBps? }.

Transfer a token (ERC-20) or native ETH to any recipient from the agent's own wallet- full parity with the app's Send. POST /v1/tx/send { to, amount (atomic: wei for ETH, token decimals otherwise), token? (omit / native sentinel = ETH) }. Returns { to, data, value } steps.

Ranked, fee-netted arbitrage routes into a target token on Base. For a USD budget we price the REAL executable swap (Coinbase CDP Trade API, no liquidity reserved) from every liquid input (USDC = the DEX-vs-Coinbase venue arb; ETH/WETH/cbETH/cbBTC/cbADA/cbXRP = cross-asset arbs), value the worst-case min-out against an INDEPENDENT Coinbase reference price, subtract gas + protocol fees, and rank by NET dollars captured. Full details: GET /v1.

Every listed Morpho Blue market on Base: marketId, full MarketParams (loanToken, collateralToken, oracle, irm, lltv- the id is re-derived and asserted, wrong-market proof), live borrow APY, and LLTV. The input universe for /v1/tx/loan. GET /v1/loan/markets.

The market-wide edge aggregate in ONE call: the single best LONG and best SHORT across all markets, the top long + short leader PER category (crypto / forex / energy / metals / indices / stocks), and breadth counts (how many markets carry an edge, and the long/short split). The "what is the state of edges across every market, and where should I look?" read a human asks an agent- e.g. "find me the best market edge right now". GET /v1/ideas/summary. Full details: GET /v1.

The tradeable Gains Network (gTrade) crypto pair universe on Base: on-chain pairIndex, symbol, and the FULL leverage band per pair- maxLeverage, minLeverage (10x on forex, 2x on metals; below it the contract reverts), and openable, which is false for the ~300 listings the venue currently refuses to open at any size. USDC-collateralized synthetic exposure- any pair trades without holding the asset. GET /v1/risk/pairs.

EXPERIMENTAL / WIP- an early, unproven BUY/SELL signal feed (no established out-of-sample edge, not advice); corroborate with news + cross-asset context before acting. Full details: GET /v1.

Closed leverage round-trips for any Base address from the Gains first-party history: pair (base + quote legs), side, leverage, collateral, open/close price, realized PnL + PnL%, close reason (take-profit / stop-loss / liquidation / manual), open/close tx hashes, and timestamps. GET /v1/history/{address}. Newest first, USDC-collateralized trades.

EXPERIMENTAL / WIP- an early, unproven BUY/SELL signal feed (no established out-of-sample edge, not advice); corroborate with news + cross-asset context before acting. Full details: GET /v1.

Aggregate trading scorecard for any Base address from its closed leverage history: trades, wins/losses, win rate, net USD, gross profit / loss, profit factor, mean R-multiple expectancy, avg win / loss, best / worst trade. GET /v1/stats/{address}. The "am I actually good" read- and the input to a risk-sizing agent.