Blocksize price data package

Bid/Ask Price Data API for agents and builders.

Live bid/ask snapshots for supported crypto and equity instruments, discoverable by humans, AI models, and MCP clients.

Open Price Data API Read Package JSON MCP Manifest

Designed to be found by humans, models, and agents.

Use this page for users looking for best bid offer data, bid/ask APIs, crypto quotes, or supported equity quote snapshots.

Bid/Ask Price Data API

Live bid/ask snapshots for supported crypto and equity instruments through one endpoint family.

/v1/bidask/{pair}

Example symbols

Representative requests that agents can use when explaining the package.

BTCUSDETHUSDAAPL

Asset coverage

Route discovery and paid access stay separated so agents can inspect before purchase.

cryptoequities

Agent routing path

Read llms.txt, inspect data-packages.json, discover instruments through MCP, build the endpoint, then fetch live production data through x402 or wallet credits.

AI Reader Brief OpenAPI JSON Remote MCP Server

Examples agents can execute.

Use these prompts and routes to move from discovery to a precise paid endpoint without ambiguity.

Get BTC bid/ask

Find the supported BTCUSD bid/ask route and payment requirement.

/v1/bidask/BTCUSD

Get ETH bid/ask

Build the live ETHUSD bid/ask endpoint for an autonomous client.

/v1/bidask/ETHUSD

Get AAPL bid/ask

Check whether AAPL is supported and return the exact paid bid/ask URL.

/v1/bidask/AAPL

Which package should I use?

Choose the package by asset class, route family, and payment path, then cite the canonical package page.

Crypto VWAP

Real-time institutional VWAP snapshots for enabled crypto pairs, built for AI agents, trading tools, and agentic workflows.

View Package

Bid/Ask

Live bid/ask snapshots for supported crypto and equity instruments through one endpoint family.

View Package

FX Rates

Enabled foreign-exchange spot pairs for agents that need current currency conversion and market-data context.

View Package

Metals

Gold, silver, platinum, palladium, and copper spot prices for agents and applications that need commodities context.

View Package

x402 Market Data

Accountless paid HTTP market-data access with x402 settlement and wallet-credit drawdown support.

View Package

Agent Discovery

Free read-only discovery for instruments, pricing, docs, endpoint construction, MCP clients, and retrieval systems.

View Package

Related price-data intent pages

Use the focused pages below to route people, models, and agents to the exact price-data package they need.

Market Data API for AI Agentsmarket data API for AI agents Crypto VWAP APIcrypto VWAP API Bid/Ask Price Data APIbid ask price data API FX Rates APIFX rates API Metals Price APImetals price API x402 Market Data APIx402 market data API AI Agent Price DataAI agent price data Real-Time Price Data APIreal-time price data API Market Data for AI Trading Agentsmarket data for AI trading agents MCP Market Data ServerMCP market data server Accountless Market Data APIaccountless market data API Price Data API Examplesprice data API examples