Every agent-payable API.

People and contact discovery

Percentage helper. op: "of" (a% of b), "change" (% change a→b), "ratio" (a is what % of b).

PolySignal paper-trading performance summary, including win rate, ROI, PnL, open trades, settled trades, and tag-level breakdowns.

Evidence Photo Evidence — an agent-callable evidence photo evidence service, payable over x402 (USDC on Base). Provided via epsteinisland.club. Priced around 0.2 USD per call.

Physics ODE solver (SciPy): coupled ODE systems from parameterized templates (orbital 2-body, oscillator, pendulum, heat transfer, RC/RLC, projectile-with-drag, SIR) or a generic linear system, with energy/conservation checks. Paid in USDC on Base or Solana.

Search OpenStreetMap for places by keyword, optionally restricted to a bounding box or country. Returns ranked hits with coordinates and place type - e.g. coffee shops in a city, airports in a region. ?q=coffee&viewbox=-122.52,37.81,-122.35,37.70&bounded=1.

Google Maps place details — full profile for a single place_id: ratings, reviews, hours, phone, website, price, service options, popular times & plus code as clean JSON.

Apple Maps place details — full profile for a single Apple Maps place (muid): ratings, reviews, weekly hours, phone, website, categories & address as clean JSON.

Apple Maps local business search — find places by query and map centre (latitude,longitude), returning ratings, reviews, address, phone, website & Apple Maps place ids (muid) as clean JSON.

DuckDuckGo Maps local business search (Apple Maps + Tripadvisor data) — find places by query and location, returning ratings, reviews, address, phone, website & hours as clean JSON.

Plexa /v1/pretrade/check — pre-trade token safety check on Base: can you still sell this token? avoid fires only on a trap proven on-chain now: no pool to exit into, an exit pot under 5% of your size, or the trading gate off (the honeypot shape). A drained pot is what a rug leaves behind — measured, not predicted. clear = no provable trap, NOT safe. risk_profile: token age, holder concentration, liquidity, transfer limits. Not financial advice.

The post-trade check everything else skips: given a token, your position size and (optionally) entry price, returns live price & P&L, whether the position can still be EXITED at that size, and the token's current rug score — combined into a healthy / watch / exit_now verdict with reasons. The risk that changes after you buy is exactly the risk holders miss.

Look up Japanese (JP) address candidates for a 7-digit postal code (郵便番号), backed by the official Japan Post KEN_ALL dataset. One postal code can map to several towns; all candidates are returned with kana readings. Use for address autofill and postal-code validation.

Pre-flight an x402 payment: decode the endpoint's challenge, report the cost on every rail (Base and Solana) and the cheapest, and — with a payer address — verify the wallet can afford the call on Base.

Pre-IPO and private company token prices — SpaceX, OpenAI, and other unicorns trading as tokenized assets via CoinGecko.

The single call an agent makes before touching a Base token: token risk + sellability (honeypot/tax) + route/price-impact + deployer reputation, collapsed into one GO/HOLD/STOP verdict with an auditable receipt. Cheaper than the four checks à la carte. This is the tool to bind first.

Paid x402 endpoint for arbitrage opportunities between prediction-market platforms.

Paid x402 endpoint for arbitrage opportunities between prediction-market platforms.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Live token price, liquidity, FDV, 24h volume & change via DEX aggregation.

Real-time cryptocurrency spot price in USD, aggregated as the median across Coinbase, Binance and Kraken with cross-exchange spread. Supports BTC, ETH, SOL. Deterministic multi-source aggregation for trading and treasury agents.

Provably-fair draw from the drand beacon with the full verifiable receipt + nonce-binding (the free draw is at GET /random).

Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent) via eth_getStorageAt - returns the implementation address behind a proxy

Generate a QR code PNG from any text or URL. ?text=…&size=256 (128-1024).

Basic company identity enrichment for autonomous agents, including normalized profile fields, source URLs, coverage, and confidence scoring.

Validates email deliverability: syntax check, MX record lookup, and SMTP server reachability. Returns risk score and quality rating. Deterministic, sub-second. x402-native.

Zero-shot text classification into caller-supplied labels; the result is validated back into your label set so agents can route on it deterministically.

AI TL;DR of raw text passed in directly (not a URL): short, medium, or long. The text-in sibling of /v1/summarize.

AI translation of text into any target language; source language auto-detected.

Determine whether a Base address is a contract or an externally-owned account.

Check ETH and USDC (or any ERC-20) balance of an address on Base — pre-flight funding checks for payments and settlement.

Base64 encode or decode a string.

Current Base gas prices and a simple-transfer cost estimate for transaction planning.

Decode a JWT header and payload (signature not verified).

Formatted settlement receipt for any Base transaction hash or Solana signature: timestamp, status, decoded token transfers, explorer link — records for x402 payments on either rail.

Pick one or several options at random from a caller-supplied list (CSPRNG), optionally without replacement — a decision-maker for agents.

Test a regular expression against text and return every match with numbered and named capture groups. Deterministic.

Compact line-level diff between two texts.

Check the status of a Base transaction: success/reverted/pending, confirmations, gas used, and explorer link — settlement verification for agents and payment flows.