Crypto & Onchain Data that accept crypto

OneSource unifies blockchain data behind a single agent-native API. Ask in natural language or REST, pay with x402, MPP, or use an API key.

Discover an endpoint, pay with x402 and verify its result and receipt.

Trade everything onchain with AI, powered by 500M+ labeled addresses. Track Smart Money, analyze any token, and execute instantly - all in one place.

Per-minute Hyperliquid market history: open interest, candles, trades, liquidations, HIP-3, spot and outcome markets. Query any window, pay per request over x402.

View top cryptocurrency prices live, crypto charts, market cap, and trading volume. Discover today’s new and trending coins, top crypto gainers and losers in the market.

Top cryptocurrency prices and charts, listed by market capitalization. Free access to current and historic data for Bitcoin and thousands of altcoins.

Programmatic access to Arkham wallet intelligence and market data — via API keys and x402 pay-per-request.

Blocksize aggregates crypto and tokenized stock prices from 70+ exchanges, publishes into eight oracle networks and delivers the same feeds through one API.

Real-time crypto market data for autonomous agents: perpetual derivatives (funding, open interest, basis), liquidation clusters, multi-exchange spot prices and Deribit options. Pay per call in USDC on Base via x402.

Onchain data you can trace to the block, used by Visa, Coinbase and BCG. 10,000+ protocols. SOC 1 and SOC 2 Type I and II.

Mycelia Signal delivers real-time, cryptographically signed data to AI agents and autonomous systems over HTTP.

Infrastructure that makes Solana usable by autonomous software. Read, Write, Pay, Onramp — one unified stack for agent builders.

Onchain intelligence API for Solana agents and LLMs. 50 endpoints: wallet profiling and risk scoring, token due diligence with holder concentration and slippage, whale and smart-money tracking, cross-venue perps market…

Real-time cryptocurrency market cap rankings, trading charts, and more.

Market data for AI agents, pay per call with x402: token safety and honeypot checks before you buy (Base, Ethereum, Solana), stablecoin peg monitor, DeFi lending yields, SEC filings, fundamentals and insider trades,…

Market data, transaction payloads, and portfolio tracking for DeFi yield across 1,000+ vaults on 20+ networks.

One unified API for every Web3 yield across 75+ networks. Access staking, stablecoin yields, and DeFi with zero complexity and up to 2.8x higher revenue.

Eighteen x402-paid endpoints on three rails — Base USDC, Solana USDC, JPYC on Polygon. Hosted agent chatbot at chat.anchor-x402.com. Pay-per-call, no API keys, no accounts.

Interpreted wallet data for 40+ EVM chains and Solana: portfolios, DeFi positions, PnL, transactions and NFTs. REST with an API key for apps, or x402 pay-per-call for agents.

Institutional crypto research data: asset metrics, fundraising and M&A data, news and an AI chat endpoint, with paid routes available per call over x402.

0x is a DEX aggregation API for token swaps. Its agent endpoint sells swap price and quote calls per request over x402, with no API key.

Open-source multichain block explorer. Its PRO API (addresses, transactions, tokens, blocks and more across many chains) can be paid per call over x402.

Crypto derivatives data and analytics (options flow, funding rates, volatility, liquidations) across 15+ exchanges, with API routes payable per call over x402.

ENS resolution, reverse resolution and identity enrichment for agents, paid per call in USDC on Base via x402 or MPP. From JustaName, the team behind the JAW.id embedded account layer.

Best-priced crypto token swaps for agents, traders and apps: a pay-per-call quote and swap API via x402 or MPP, with no API key or subscription.

Hyperliquid smart-money data: whale positioning, open interest and funding signals, priced per request in USDC over x402. The site publishes every settled sale with its transaction hash.