Every agent-payable API.

OpenAI-compatible chat completions: POST messages[] with model fast (Llama 3.1 8B) or smart (Llama 3.3 70B), max_tokens, temperature; standard chat.completion response. Point any OpenAI SDK at this base URL. LLM inference for agents, no API key, no signup, pay per request

Read any web page as clean, LLM-ready text: URL fetch that strips scripts, nav and boilerplate and returns title, meta description, links and up to 120 KB of body text as JSON; JSON and plain text pass through. web scraper, page reader, RAG ingestion

Fast LLM answer for one prompt (Llama 3.1 8B) via GET q=: summarize, classify, rewrite, draft, answer; plain text up to 400 tokens, optional system instruction. cheap LLM inference for agents, no API key

Live wallet balance on Base: native ETH plus USDC via balanceOf (eth_call), raw units and block height for any address. erc20 balance, wallet balance, Base chain read, no RPC key

ON-CHAIN COUNTERPARTY PROOF: Audit USDC transfers sent and received by any EVM address over the last ~48h of Base blocks. Preflighted so you never pay during an RPC outage.

On-chain data query on Base, sold by Taifoon: the tokens and fee tier of a Uniswap V3 pool, or the hash of a block. An admitted data seller answers; Taifoon reads the same facts from the chain and grades the answer before you are charged. A failed answer is not charged. Answer + graded receipt. 0.03 USDC a call.

On-chain facts for any Base address: EOA or contract, first transaction and age, transaction count, ETH and USDC balances, top 10 tokens held with USD value when known, recent contracts created. Information, not investment advice.

On-page SEO audit of a live URL: a 0-100 score with each check (title and description length, one H1, canonical, language, viewport, social tags, image alt text, indexability, HTTPS, content length) and what to fix.

On This Day in History (events, births, deaths). On this day in history for any date: notable events, births, deaths or holidays from Wikipedia, newest first, with linked articles.

Balance and activity for a Bitcoin address (base58 1…/3… or bech32 bc1…): confirmed balance (sats and BTC), total received and sent, confirmed transaction count, and unconfirmed/pending value and tx count from the mempool. On-chain ground truth an agent cannot compute locally.

On-page SEO audit API - crawl a single URL and return its on-page SEO health: overall score, title & meta description, H1, word count, internal/external link and image counts, load timing (LCP, TTI) and a list of detected issues (missing meta, broken status, not-https, images missing alt, slow load, …).

Live block summary by number, hex, or tag (latest/earliest/pending/safe/finalized; default latest): number, hash, parent, timestamp (unix + ISO), transaction count, gas used/limit, base fee and miner. Reads live on-chain data with automatic endpoint fallback.

Live status and details of a transaction by hash: success/failed/pending, from/to, value (wei + ether), nonce, block number, gas used, effective gas price and any created contract address. Returns `found:false` for unknown hashes. Reads live on-chain data with automatic endpoint fallback.

Native ETH / wallet balance for an address on any EVM chain: native balance (wei + ether), transaction count (nonce), and whether it's a contract or an externally-owned account (with deployed code size). Reads live on-chain data with automatic endpoint fallback.

Fetch a public page and grade its on-page SEO: title and meta-description length, H1 and heading outline, canonical, meta-robots indexability, viewport/lang/charset, hreflang, Open Graph and Twitter Card completeness, image alt coverage and word count — plus optional focus-keyword placement and density. Returns a pass/warn/fail verdict per check and an overall 0–100 score.

Once-per-day (Mountain Time) brief: Stage 1 regime, band-dot counts, top 10 coins by WaveTrend dot strength, BTC/ETH/SOL Kraken large-print flows, with honest notes. $0.05.

Onchain Collateral Attestation analyses only the evidence supplied by the caller. It does not claim to query a chain, identify a legal status or replace an independent audit. Missing signals lower confidence and are listed explicitly; every classification includes the exact thresholds used.

Capture supplied public explorer or RPC evidence with immutable content hashes

Onchain facts for a Base ERC20 address: ERC20 shape, honeypot-style selectors and an ungraded adminPowers profile (proxy, owner, mint, blacklist, pause) with raw evidence per check. No DEX data, grade is n/a. No LLM.

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, and AI agents automate the rest via REST and MCP. GET this URL. HTTP 402 for $0.001 USDC on Base, the same price as GET /programs. Payment alone returns active public programs. Do not send an API key. This is not the caller's own program list; for the paying wallet's own programs, call GET /programs (payment alone works there too; an lsk_ key is optional).

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with every purchase, and AI agents automate the rest via REST and MCP. Free plan mints up to 1,000 tokens per month. On the paid retry also send x-api-key: lsk_.... A payment without a live key is not charged. The call is scoped to the wallet behind that key. 16 skill guides at loyalspark.online/.well-known/skills/index.md.

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

Crypto perpetual-futures snapshot for a symbol in ONE call (Binance USD-M, keyless): current funding rate and the next funding time, mark and index price, open interest (contracts and USD), 24h price change/high/low/volume, and the top-trader long/short account ratio. For funding arbitrage, leverage/positioning reads, and a derivatives view an onchain-only feed cannot give. Cached 30s.

ENS name resolution in both directions on Ethereum mainnet. Pass name to resolve an ENS name to its address (forward), or pass address to get that address's primary ENS name (reverse, forward-verified so spoofed reverse records are rejected). Read straight from the ENS registry. Use it to turn vitalik.eth into an address, or to label a raw address with a human-readable name.

Live gas market on any major EVM chain: current gas price, base fee and priority-fee percentiles (p25/p50/p75) in gwei, plus the estimated cost in native token and USD for a plain transfer (21k gas) and a typical DEX swap (200k gas). Lets an agent decide whether a transaction is worth sending right now or should wait for cheaper gas, and budget the fee before signing.

ERC-20 token profile on any major EVM chain: on-chain metadata (name, symbol, decimals, total supply) read straight from the contract, joined with live DEX market data (USD price, liquidity, 24h volume, 24h change, and the top trading pair with its DEX). Use it to price a token, check liquidity depth before a swap, or resolve an unknown contract address into a real token.

Spot USD price for any crypto asset. Accepts a ticker symbol (eth, btc, sol), a CoinGecko id (ethereum), or an EVM token contract address. Returns the USD price plus 24h change, with market cap for listed assets, or liquidity, 24h volume and the top DEX pair for contract addresses. Cached 60 seconds so repeated calls in one agent workflow stay consistent with each other.

Latest block on any major EVM chain: block number, timestamp, age in seconds, base fee and gas used/limit. The cheapest possible liveness and chain-tip check for an agent: confirm a chain is progressing, timestamp an observation, or pick a block for a query.

Transaction lookup and decode on any major EVM chain. Turns a raw tx hash into agent-readable facts: success or failure status, block number, sender and recipient, native value transferred, gas used, fee in native token and USD, and every ERC-20 transfer decoded with token symbol, decimals and human-readable amount. Returns found=false for an unknown hash instead of erroring.

Run read-only SQL against Coinbase's indexed, DECODED blockchain data - base.events (decoded logs with parameters), base.transactions, base.blocks, base.decoded_user_operations, base.transaction_attributions (builder codes), plus solana.instructions and hyperevm.events. ClickHouse-dialect SELECTs, server-side grammar validation, up to 50k rows / 30s / 12 joins. Ask Base anything - token flows, event analytics, gas studies - in one call, no indexer to run.

Returns a single, verifiable snapshot of any EVM wallet: native balance, ERC-20 token balances, current block number, and recent activity count across the most popular chains (Ethereum, Base, Arbitrum, Polygon). Built for x402 agents that need on-chain facts without managing RPC keys or node infrastructure. Each call returns a deterministic JSON payload with a chain-specific block number at snapshot time so results can be independently verified against a public RPC or block explorer.

Onchain options protocols ranked by 24h notional volume with 7d and 30d volume, 1d and 7d change and the chains each runs on, plus sector totals. Use it when an agent is comparing decentralized options venues or tracking whether onchain options activity is growing.

Token liquidity and momentum snapshot, half a cent: live DEX liquidity in USD, price, market cap, pair age, 1h/24h volume, buy-vs-sell transaction ratio, price change — the raw DexScreener read for any EVM token, one source, no fusion. Base, Ethereum, BSC, Arbitrum, Polygon, Optimism, Avalanche. Cheapest pre-trade depth check; upgrade to /api/evmtoken ($0.015) for the fused safety verdict or /api/exit-depth for sell-impact modeling.

Honeypot check, half a cent: can this token actually be sold? Simulated buy+sell verdict, buy/sell/transfer tax, mint authority, ownership renounced, transfer-pausable, blacklist — the raw flags, one source, no fusion. Base, Ethereum, BSC, Arbitrum, Polygon, Optimism, Avalanche. Cheapest token safety check before you trade; upgrade to /api/evmtoken ($0.015) for the fused CLEAR/CAUTION/AVOID verdict. Answers: is this token safe?

Live launch feed for Uniswap's Liquidity Launchpad on Robinhood Chain — every UERC20 token minted through the canonical UERC20Factory, newest first, read straight from chain state (the launchpad has no front end or API of its own). Per launch: token address, launch time, block, and for the newest: name, symbol, holder count, supply. Includes the canonical launchpad contract addresses and the safety facts common to all UERC20 tokens (fixed supply, no owner, no mint, no taxes by construction). Pai

Narrative-vs-chain consistency check — the missing layer of token due diligence: fetches the project's own website, extracts its checkable public claims (supply, locks, team holdings, taxes, ownership) and marks each one consistent / inconsistent / unverifiable against independently observed on-chain data, with the exact numbers. Pre-launch-imposter screen included (site live? trading while site dead?). Solana + 8 EVM chains incl. Base & Robinhood Chain. Facts only — no scores, no advice.

BNB Chain RWA screener, deterministic. Every tokenized real-world-asset protocol with TVL on BNB Smart Chain (BlackRock BUIDL, OpenEden TBILL, Ondo, Centrifuge, VanEck, DigiFT and more), ranked by its Binance-chain TVL slice with 1d/7d momentum and share-of-protocol context. Answers "which RWA is actually on BNB Chain and what is growing". Computed live from DeFiLlama; no LLM, no key. Pair with /api/rwa-risk for issuer due diligence.

RECEIPTS — the full token due-diligence report in one call, data versus vibes: contract-safety facts (honeypot sell simulation, taxes, mint/owner powers, LP lock), labeled holder-concentration map, exit-depth from live v3/v2 pool math, market context, launch provenance (Robinhood Chain Doppler registry), plus claim-by-claim narrative-consistency vs the project site when its URL is passed. Structured checks, checks-passed count, explorer citations, no scores, no advice. Solana + 8 EVM chains.

Exit-depth / sell-impact estimator for Uniswap-v3-compatible AND v2-style (x·y=k) pools on 11 chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, Avalanche, Monad, World Chain, HyperEVM, Robinhood Chain): live pool state read from the contract (v3 sqrtPrice + in-range liquidity, or v2 reserves); tokens sellable at 1/2/5/10/25% price impact in tokens, quote and USD, %-of-supply framing, manipulated-liquidity cross-check vs DexScreener. Deterministic pool math, no LLM — the "can I actually g

Token safety check — answers "is this token safe to buy?" for any token: one deterministic CLEAR / CAUTION / AVOID rug & honeypot verdict across 10 chains (Solana, Base, Ethereum, BSC, Arbitrum, Polygon, Optimism, Avalanche, Robinhood Chain, Algorand). Auto-detects the chain from the address shape. Sell-simulation honeypot, mint/freeze/clawback authority, LP lock/burn, holder concentration, live liquidity — fused into one verdict. Pre-swap guardrail for trading agents and agent wallets.

Live USDC yield panel on Base, read DIRECTLY from chain state — Aave v3, Compound v3, Moonwell, Euler v2 supply APY from onchain rate views, plus the six largest Morpho (MetaMorpho) USDC vaults with REALIZED trailing APY from ERC-4626 share-price deltas (archive reads, net of fees — not a vendor estimate). Optional: any custom ERC-4626 vault address on Base. Built for yield agents (Sail/Sailor, rebalancers, treasury bots) that need verify-before-acting numbers.

Rug & token-safety scanner for Algorand ASAs — the first automated pre-trade check on the chain. Reads the AVM rug surface directly (clawback/freeze/manager authorities, default-frozen honeypot flag, reserve overhang), whale & creator concentration with DEX-pool accounts split out, Pera & Tinyman verification tiers, and live Tinyman liquidity/volume — fused into one deterministic CLEAR / CAUTION / AVOID verdict. Answers: is this token safe to buy?

Reality check on dividend and reflection token yield claims, deterministic. For any tax-redistribution token (gold dividends, USDT rewards, reflections): live 24h DEX volume x tax rate x payout share = the ACTUAL daily reward pool, compared against the promised figure, with a VOLUME-BACKED / STRETCHED / FANTASY verdict and the required-volume multiple. Also flags same-symbol copycat tokens on other chains. No LLM. Pair with /api/evmtoken: contract safety and yield math are different questions.

Holder-concentration map for any token — Solana + 8 EVM chains incl. Base & Robinhood Chain: top holders with LP-pool / locker / burn / contract labels, largest-wallet and top-10 share excluding LP & burn, % of supply in LP or lockers, % burned, % sitting in unlabeled contracts, creator & owner balances, insider-cluster detection (Solana). The "who actually holds this thing" layer of token due diligence, as observable facts with per-wallet breakdown. Deterministic, sub-second, no LLM.

Bank-reconcilable receipt for any on-chain settlement: turn a transaction hash into an ISO 20022 camt.054-style credit notification (XML + JSON), a deterministic evidence bundle with canonical SHA-256 hashes, and an Ed25519 signature anyone can verify without an API key at /verify.html. Same tx always yields a byte-identical bundle. Covers ERC-20 transfers (incl. x402 USDC settlements) on 11 EVM chains. Params: tx (hash, required), chain (default base), perspective (address).

Oncidium (Joy) — Reflection on lightness and playfulness for balancing serious work with whimsy.

Ondo (ONDO) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network

One AML/KYC-style verdict for a counterparty from a single call: wallet sanctions + on-chain risk, name sanctions screening, GLEIF company identity and technical counterparty risk, merged into clear | review | blocked with an itemized findings list. $0.02.

One attention snapshot: Google's trending searches in the US with traffic estimates and the stories behind them, the most-read Wikipedia articles (yesterday), today's trending GitHub repositories with stars gained, and the Hacker News front page with points and comment counts. Rebuilt every hour. $0.01 per call, no account. Free 24h-delayed sample: GET https://ioswarm.io/api/v1/feeds/trending/sample.