Provider

chainsscope.duckdns.org

chainsscope.duckdns.org · 2 listed services · provider site

address_activity x402 REST usage

Recent transaction history for an address, normalized across Ethereum, Base, Arbitrum, Optimism, Polygon, Bitcoin, and Solana -- direction, counterparty, and value where the chain's data model makes that derivable.

chainsscope.duckdns.org Crypto & Payments 8 calls / 30d checked 2026-10-26

0.015 USDC per call per call

fee_estimate x402 REST usage

Current network fee conditions -- gas price (ETH/Base/Arbitrum/Optimism/Polygon), sat/vB fee tiers (Bitcoin), or recent prioritization fees (Solana) -- useful for an agent about to construct a transaction itself.

chainsscope.duckdns.org Crypto & Payments 5 calls / 30d checked 2026-10-26

0.01 USDC per call per call

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