the402 x402 endpoint directory

NASA Space Observations — NASA daily astronomy image plus near-Earth object monitoring, free source for space and scie

Biomedical Literature — PubMed/NCBI endpoint returns metadata from the biomedical literature database. No registration

Global Infectious Disease Monitor — Aggregated real-time global confirmed/deaths/recovered data from disease.sh, with

US Core Economic Indicators — Fed FRED core 8 indicators in one package: GDP, CPI, unemployment, federal funds rate, 1

DeFi Protocol Health — DefiLlama all-free TVL, yields, and on-chain health metrics, enabling DeFi risk assessment.

Crypto Open Interest — Binance futures open interest (OI): total open contracts, measures leverage and participation.

A-Share Real-Time Quote — Tencent Finance A-share real-time quote: input code (600519/000001) returns price, change, v

Query a paginated, sortable Virae strategy simulation matrix with normalized PnL curves and coverage metadata.

Echo endpoint. Returns the name you send, the network the payment settled on, and the price you paid. Use it to prove

Transfer project ownership to another EVM wallet (toAddress query parameter). Call this to hand control of a site to a

Extend a project's hosting lease, priced per day (1-730 days via the days query parameter). Call this when hosting is

Roll a project's live site back to a previous deployment. Call this when the current release is broken; pass the targe

Retrieve perpetual market context through StableJack's agent-ready research API.

Retrieve perpetual asset screener through StableJack's agent-ready research API.

Retrieve a derived chain or protocol activity proxy. Include scope and a canonical target such as Ethereum or a protoc

Retrieve a current or after-hours market quote. Include endpoint and symbol.

Retrieve historical market prices for a listed security. Include endpoint and symbol.

Retrieve market candle data through StableJack's agent-ready research API.

Retrieve l2 order book through StableJack's agent-ready research API.

Retrieve institutional filing data. For filings-extract include institution CIK, filing year, and quarter.

Retrieve insider ownership or transaction data. Include endpoint and listed-company symbol.

Retrieve historical market prices through StableJack's agent-ready research API.

Retrieve government trading data through StableJack's agent-ready research API.

Retrieve global market indexes through StableJack's agent-ready research API.

Retrieve global market hours through StableJack's agent-ready research API.

Retrieve ETF or mutual-fund holdings and exposure data. Include endpoint and fund symbol.

Retrieve fundraising records using the selected lookup. For crowdfunding-by-cik include a ten-digit company CIK.

Retrieve funding rate history through StableJack's agent-ready research API.

Retrieve foreign exchange data through StableJack's agent-ready research API.

Retrieve a selected financial statement for a listed company. Include endpoint and symbol.

Retrieve financial news through StableJack's agent-ready research API.

Retrieve financial market calendar through StableJack's agent-ready research API.

Retrieve esg intelligence through StableJack's agent-ready research API.

Retrieve equity symbol discovery through StableJack's agent-ready research API.

Retrieve economic data through StableJack's agent-ready research API.

Retrieve earnings transcripts through StableJack's agent-ready research API.

Calculate discounted cash-flow evidence for a listed company. Include endpoint and symbol.

Retrieve cross-asset derivatives indicator rankings. Always include a supported operation and params object.

Retrieve a selected crypto derivatives or market-regime index. Always include a supported operation and params object.

Retrieve defi market intelligence through StableJack's agent-ready research API.

Retrieve defi event intelligence through StableJack's agent-ready research API.

Retrieve defi bridge intelligence through StableJack's agent-ready research API.

Retrieve crypto reference data through StableJack's agent-ready research API.

Retrieve crypto insight by symbol through StableJack's agent-ready research API.

Retrieve structured Bitcoin or Ethereum ETF lists and flow history. Always include a supported operation and params ob

Retrieve company intelligence through StableJack's agent-ready research API.

Retrieve commodity market data through StableJack's agent-ready research API.

Retrieve commitment of traders through StableJack's agent-ready research API.

Retrieve chain-level activity and fundamentals. Pass a canonical, case-sensitive chain name such as Ethereum, Arbitrum

Retrieve batch market snapshot through StableJack's agent-ready research API.