Find a domain's organic search competitors: rival domains ranking for the same Google keywords, each with the number of common keywords, average position, total ranked keywords and estimated organic traffic. For competitive SEO research. Empty results if none.

Verifies that a transaction hash settled a USDC payment to a given recipient, and reports who funded it: the payer from the Transfer log vs the account that broadcast the transaction (they differ when an EIP-3009 facilitator relays it), plus block number, UTC block time, status, gas used, and unreadable=true when no RPC would answer instead of a false empty result.

Currency exchange rate converter at ECB reference rates - convert between currencies for today or any date since 1999

Wikipedia article summary - description, lead extract, URL, thumbnail and coordinates, in any language

Japan income-wall analysis (fuyou/103-106-130 walls): tax wall derived from the engine, social insurance walls time-versioned (2026-10 rule change), spousal + student dependent (1.5M/1.88M) walls. $0.02/call.

Deterministic smart-contract risk report for any deployed contract on 20 EVM chains: 0-100 score, proxy/upgradeability, owner and pause state, mint/blacklist/fee selectors, SELFDESTRUCT, verified source and aderyn static analysis. Use before trading, approving, bridging or integrating a token or protocol. Read-only; failed analyses are not charged.

$0.005/call. Convert Word, Excel, or PowerPoint to PDF via LibreOffice — layout preserved. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Paginated list of facilitators with stats

Send a BNB Chain target address and optional calldata, get the gas units, gas price and fee in BNB.

Get the verified Solidity/Vyper source code for a deployed contract by address, sourced from Sourcify. Returns every source file (path + content), the contract name, language, compiler version and compiler settings (optimizer, evmVersion) — the full human-readable source an agent needs to read, audit or feed to an LLM. Supports Ethereum, Base, Arbitrum, Optimism, Polygon. Unverified contracts return `verified:false`. Live reads with cache fallback.

Remove Background: Removes the background from one photo and returns the subject on a transparent background as a PNG, at the photo's own size.

Public holidays by country and year - the full list, next upcoming holiday and whether today is a holiday, for 100+ countries

AI-powered Token Deep Research API

ERC-20 metadata, proxy detection and free DEX liquidity data for a token on Base, with the checks that could not be performed stated explicitly.

Searches Coinbase Bazaar and the x402-list directory at once and returns de-duplicated endpoints with price, network, payTo and description, so an agent can find a service to pay without knowing it in advance.

Fetch Amazon product data for up to 20 ASINs in a single request: title, price, rating, review count and images for each. Deduplicates the input list and fetches concurrently, so bulk catalogue enrichment costs one round trip instead of twenty. Covers 23 country marketplaces.

Arbitrum block by number or latest - hash, time, transaction count, gas used, base fee and miner

Optimism block by number or latest - hash, time, transaction count, gas used, base fee and miner

Polygon block by number or latest - hash, time, transaction count, gas used, base fee and miner

Every field typed. Empty = explained. You never pay for a blank. Multifamily real estate deals feed: property listings with auditable NOI/DSCR underwriting and Hot/Warm/Pass scoring; a filtered query that matches nothing returns free. Want the full workup on one? GET /api/deals/{id}/report ($1.50) adds HUD-underwritten vs claimed NOI/cap, matched distress signals, and a suggested offer range. Sourcing off-market? GET /api/leads/exclusive ($1.00) buys the top-scored lead outright.