Market Metrics API

Real-time USD price, market cap, and 24h volume for any cryptocurrency by id — the market-data read trading, portfolio, and research agents poll.

Overview

Real-time USD price, market cap, and 24h volume for any cryptocurrency by id — the market-data read trading, portfolio, and research agents poll. CoinGecko/CoinMarketCap-style data at $0.09/call (vs CMC/CoinGecko $0.01 and Messari $0.25), no API key, USDC over x402.

Endpoint

Method	Endpoint	Price	Description
GET	/v1/marketplace/api/market-metrics-2618	$0.0115	Invoke Market Metrics (Blockchain) and return the upstream response.

How to call it

Requests are paid per call over the x402 protocol. Call the endpoint, receive a 402 Payment Required quote, then repeat the request with the signed payment header. The SDKs do both steps for you.

# 1. Ask for a quote
curl -i https://jarvisclaw.ai/v1/marketplace/api/market-metrics-2618

# 2. Pay it (the SDK signs and retries for you)
curl -H "X-PAYMENT: <signed-payload>" https://jarvisclaw.ai/v1/marketplace/api/market-metrics-2618

Open in the marketplace