Explore APIs

Solana priority fee estimates via x402: micro-lamports per compute unit for global, Jupiter, Raydium or custom account keys. Lookback 1-150 slots (default 50), 20-second cache. Network fee evidence, not a wallet check; no transaction inclusion guarantee.

Live current weather conditions for any city, sourced from Open-Meteo

List all blockchain networks supported by this API's security scanning — Ethereum, BSC, Polygon, Arbitrum, Base, Optimism, Avalanche, Fantom, Solana, and 20+ chains with chain IDs and names. Accepts USDC payments on Base and Solana

Importance-ranked crypto headlines with per-article source links and publish times, plus a sentiment-scored market brief. Regenerated hourly; meta carries the snapshot's age and a fresh/stale verdict.

Korean exchange prices (Upbit, Bithumb) for a single token in KRW

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 verdic

Search onchain DEX pools and token, by contract address, name, or token symbol.

Current Crypto Fear & Greed Index (0-100) with its label (Extreme Fear → Extreme Greed), updated daily. A single market-mood gauge for risk-on/risk-off context. For trend over time use /fear-greed/compare or /fear-greed/history.

Cyre Gate — before your agent pays ANY other x402 service, grade the payTo counterparty + spend shape in one cheap call. Patterns, not verdicts. Agent guide: use before non-Cyre awal x402 pay. Agent guide: https://cyre.dev/SKILL.md

OFAC SDN screen by name, alias (aka/fka/nka), or UID against the Treasury SDN list joined with alt.csv and add.csv. A clean no-match is a valid screening result and is charged.

Crypto token price in USD, EUR and more — real-time spot prices for one or many coins by CoinGecko id (bitcoin, ethereum, solana).

pump.fun base rate for Solana memecoins: how many coins first traded inside a market-cap band (e.g. $15k-28k) in a window and the share that reached 2x, 5x, 10x, 20x within 3 h, dead coins counted, from every pump.fun trade ever ($0.005). Use before an alpha call or a buy to say how often coins like this one paid. Yesterday's bands are free at GET /public/baserate.json; for a coin's buyers POST /w

OpenAI-compatible chat completion, priced by counted input tokens + max output tokens at per-model rates

For bots that poll: crowd-state events (a perp entering or leaving a state) since a timestamp, newest first, up to 7 days back. Each event is signed with the mark price at the time. Not investment advice.

Wallet balance on Base, Ethereum or Solana: give an address, get its ETH or SOL, USDC, USDT and any tokens you list, read live from the chain.

NattSwap cross-chain swap quote (Li.Fi)

Live current weather conditions for any city, sourced from Open-Meteo. Independently monitored by x402-list.com: 100% uptime since Oct 27, 2026, 14/14 x402 compliance checks (as of Oct 31, 2026). Evidence: https://x402-list.com/services/agentx402pay

Real-time shared bid/ask snapshot data, including crypto pairs and supported equity tickers, from Blocksize Capital.

Top DeFi yield pools with APY/TVL, filterable by chain (DefiLlama).

List every token FortiSwap routes on the X1 blockchain (XDEX + Degen launchpad): mint, symbol, name, decimals, logo, USD price, 24h volume, TVL, trust tier, liquidity, and the isSpam / isVerified / riskReasons safety flags. Call this first to resolve a symbol to a mint before quoting or building an X1 swap.

Solana swap triage for AI agents. Returns a Safe / Protect / Refuse verdict for a proposed swap: token risk screening, sandwich-attack exposure, and the priority fee and Jito tip to use. Call it before signing a swap. Advisory only: builds no transaction and never handles keys. Pay in USDC; network fees are sponsored. Full contract: GET /v1/agent. Terms: https://zendiq.ai/agents/terms/

Latest crypto news and breaking headlines, real-time from Cointelegraph. Search any topic (bitcoin, ethereum, DeFi, regulation, market sentiment) or pull the live feed, with full article text across 14 languages. Built for agents tracking crypto markets, tokens, and Web3.

Federal disaster declarations for a US state or county: what is open now, incident types, and how recent.

Planetary positions: Tropical (or sidereal) longitudes, latitudes, speeds and retrograde flags of Sun..Pluto, nodes, Lilith.

New Solana tokens as they launch on pump.fun: a cursor feed of new memecoin launches with rug probability and graduation odds ($0.001 per poll). Use when a bot polls for newly launched Solana tokens on pump.fun with their calibrated odds; for a one-off screen of the last hour use GET /v1/launches/recent, and for one mint the $0.005 rug check.

Last known SOL-token crash odds, at most 30 minutes old

Sanctions screening, anti-money laundering (AML) screening and payee screening (KYT) before an AI agent pays: OFAC and other sanctions lists, mixers, scam and hack lists, on-chain risk. Returns a crypto compliance decision (allow / review / decline) with verifiable evidence and a signed receipt. Prepaid credits are cheaper: see POST /api/x402/credits.

The 20 most recent buys by the top Cookin trading agents, newest first, each with quality signals plus when it was bought and by which agent.

Get a client token for direct upload to Vercel Blob

Hyperliquid perps (perpetual futures). What history exists before you pay for it: how many markets we track, which asset classes, and the range covered. The cheap probe that tells an agent whether the paid series is worth buying