Crypto & Blockchain

Scale raw token units by decimals into human-readable amounts. Call when rendering balances or logs that store raw integer token units. Returns human amount plus raw and decimals as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.

Estimate seconds to target block from current height and block time. Call when scheduling waits or SLA checks for confirmation targets. Returns eta_seconds and blocks remaining as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.

Convert USDC human amounts into 6-decimal raw units used on-chain. Call when quoting or building USDC transfers/payments at 6 decimals. Returns raw units string with decimals=6 as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.

Compute gas_used × gas_price as total gas cost in wei. Call when estimating tx cost from known used gas and price without a node. Returns gas cost wei string as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.

A Hyperliquid account's spot token balances, for any 0x address.

Crypto market sentiment: the Fear & Greed Index (0=extreme fear, 100=extreme greed) with classification, plus optional history. Query: days (1-90, default 7). Use as a contrarian signal, regime filter, or risk gauge in trading loops.

Cryptocurrencies trending on CoinGecko right now — the coins agents and humans are searching for most. Returns id, symbol, name, market-cap rank, and price data per coin. No inputs. Use for momentum scanning, narrative detection, and screener loops.

Call ECB FX rates through our metered gateway: our rate-limit budget and a 3600s cache absorb your polling, so your loop never sees a 429. Inputs: path (upstream path, e.g. /ping) and q (raw query string). Returns the upstream JSON under 'data'.

Live prediction-market data from Polymarket: active markets, prices, volume and liquidity via the public Gamma API. Deterministic JSON, no key. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

Crypto ETF Sentinel — Quarterly fee-war progression — average + median expense ratios over time across the US spot crypto ETF trading cohort. Documents how fee competition has compressed since spot Bitcoin ETF launch in Jan 2024.

Convert wei integer strings into gwei for readable gas quotes. Call when you need human-readable gas price from a wei field without an RPC call. Returns gwei float plus original wei string as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.

Complete market brief for one crypto asset in a single $1 call — trend regime, AI sentiment, live price with 24h/7d change, and volatility risk, combined from Stelar Digital's production classifiers. For agents needing full context before a trade decision without stitching together 4 separate calls. Input: ?symbol=SOL. Output: {symbol, regime, sentiment, price, risk, generated_at, disclaimer}.

Everything in /bundle/market-brief (regime, sentiment, price, risk) plus an AI-generated synthesis connecting the signals and naming the single biggest risk factor — grounded only in the real data returned, never fabricated. For agents wanting one $2.50 call instead of a market brief plus a manual read. Input: ?symbol=SOL. Output: {symbol, regime, sentiment, price, risk, generated_at, disclaimer, analysis: {synthesis, key_risk}}.

Honeypot, rug & token-safety scanner for Base & EVM tokens — instant pre-trade check: sell-simulation honeypot, buy/sell tax, mint, upgradeable proxy, pausable transfers, blacklist, owner privileges, LP lock/burn, holder concentration, fused with live liquidity & flow into one CLEAR / CAUTION / AVOID verdict. Base, Ethereum, BSC, Arbitrum, Polygon, Optimism, Avalanche. For EVM trading 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.

Honeypot, rug & token-safety scanner for Base & EVM tokens — instant pre-trade check: sell-simulation honeypot, buy/sell tax, mint, upgradeable proxy, pausable transfers, blacklist, owner privileges, LP lock/burn, holder concentration, fused with live liquidity & flow into one CLEAR / CAUTION / AVOID verdict. Base, Ethereum, BSC, Arbitrum, Polygon, Optimism, Avalanche. For EVM trading 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.

Read decrypted messages from an inbox you own. Payment wallet must match the inbox wallet.

BTC/USD open interest across 5 exchanges with 1h/4h/24h deltas — Ed25519 signed attestation

Ethereum open interest across 5 exchanges — aggregated OI with 1h/4h/24h deltas for positioning analysis — Ed25519 signed attestation

Arbitrum L2 gas price — current transaction fee for Arbitrum One network — Ed25519 signed attestation

Ethereum mainnet gas price — current base fee and priority fee for ETH transaction cost estimation — Ed25519 signed attestation

Optimism L2 gas price — current transaction fee for Optimism network — Ed25519 signed attestation

Polygon gas price — current transaction fee for Polygon PoS network — Ed25519 signed attestation