Reads a B20 Asset token's rebase multiplier — the factor that scales every holder's balance. Flags whether balances are being scaled (invisible dilution/inflation the issuer controls). Stablecoin variants return no-rebase.

🆕 Lists the newest B20 tokens created on Base (from the B20Factory precompile) — variant, symbol, decimals, block. B20 is Base's native token standard and dozens launch hourly. A discovery feed for agents hunting new B20 launches early. Run b20-safety on any address before touching it — new ≠ safe.

The live layer over B20 Policy Watch: a network-wide onchain webhook captures every B20 PolicyUpdated/Paused sub-second. Pass a token address for its live guard status, or call with no address for the feed of tokens that JUST attached a sender blocklist (turned seizable) across all of Base.

BuyWith402 (buywith402.com): buy any product from the catalog with one x402 USDC payment and get an order id with queued fulfillment. Prices are all-inclusive (US shipping and tax included). Browse products free at GET /products (?query=<text> to search); check status at GET /orders/{order_id}. Missing merchandise? POST /merchants with any store URL ($5.00 x402) onboards its catalog within minutes.

Free-text web search, returns title/url/snippet list (DuckDuckGo).

Text to speech, TTS, voice generation, and speech synthesis for agents. Generate low-cost inline WAV audio with 10 standard voices, 31 languages, and up to 500 chars for $0.001.

The combined timeline of every account in a list. Example: GET /api/lists/1/timeline

A user's timeline: tweets, retweets and quotes. Example: GET /api/jack

Controlled text to speech and speech synthesis for agents. Generate inline WAV audio with speed and quality controls, 10 standard voices, and up to 500 chars for $0.003.

Dogecoin (DOGE) price direction forecast. Kronos-base (60-path Monte-Carlo) ML model, cached ~20 min — switched from the composite heuristic 2026-07-10. Early measured record under this model: 83% directional over 12 scored forecasts (small sample). Prior composite record (36.1%/n147) retained at /api/stats. Falls back to the composite heuristic if the cache is briefly stale. Pay-per-call via x402 on Base USDC.

Cross-venue funding arbitrage signal from real-time 8h-equivalent funding rates on Binance, OKX, Bybit, KuCoin, Bitget and Hyperliquid. Returns the gross and net-of-fees spread between the best short venue and best long venue (gross_spread_bps, net_spread_bps after a 20 bps round-trip fee estimate), spread_8h_normalized, venues_count, per-venue rates with funding_interval_hours, annualized_pct, and an actionability label. All 16 assets. $0.003 USDC via x402.

Real-time and ML-forecasted Bitcoin (BTC) price. Kronos deep-learning model: up-probability, expected close, price range, p10-p90 quantiles, forward volatility across 1h/4h/24h horizons. Crypto price prediction / price forecast API for AI agents and trading bots. Pay-per-call via x402 on Base USDC.

Find a fair halfway meeting point between two addresses or place names. Returns three reachable cafes, restaurants, coworking spaces, parks, or EV chargers ranked by equal travel time for driving, walking, or bicycling. No API key or account required.

A list's metadata (name, owner, description, member count). Example: GET /api/lists/1

Permit2 + EIP-2612 Gas Sponsoring Demo — forces the gasless Permit2 path so a fresh wallet holding USDC but ZERO ETH can complete the flow. The CDP facilitator submits the EIP-2612 permit and the Permit2 transfer atomically in a single transaction via x402ExactPermit2Proxy.settleWithPermit. The response carries the on-chain tx hash + Basescan link so callers can confirm the permit + transfer landed together. Pay $0.001 USDC on Base mainnet.

Telegram sentiment analysis, raw inputs: recent posts and reactions for a channel, group or topic to run your own mood or opinion analysis. For a ready LLM verdict use /v1/data/sentiment/llm.

Gives you official United States inflation numbers from the government's BLS Consumer Price Index. Ask for the newest reading, a specific month in the past, or a whole range of months, and get back clear percentages for overall inflation and 'core' inflation (which ignores food and energy prices), plus a plain-English summary sentence.

VeriDoc verifies document authenticity on Ethereum Sepolia. Send a keccak-256 hash of a file; get back whether that exact document was registered on-chain and when. Privacy-first — the file is never uploaded, only the hash. Use for certificates, contracts, transcripts, or any registered document. POST JSON {"hash":"0x…"}. Speaks x402 — $0.05 USDC/call on Base, no account or API key needed.

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Treasury yield curve benchmark for traders and fixed income PMs — returns 1M-30Y yields, 2s10s and 2s30s spreads, inversion signal, and SOFR. Example: live 2s10s spread with curve-shape label. Source: FRED daily

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Live FX rate benchmark for treasury, pricing, and international exposure — returns USD/EUR, JPY, GBP, CNY, CAD, MXN, DXY broad TWI, carry spread, and weekly change. Source: FRED daily