Task

Upgradeable Contract

2 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

base-proxy x402 REST usage

Is this Base contract an upgradeable proxy? Proxy contract detection for EIP-1967 (transparent/UUPS), beacon, or EIP-1822 patterns, returning the implementation address.

x402.agentindex.world Geo & Maps 2 calls / 30d checked 2026-11-01

0.005 USDC per call per call

Sentinel Contract Safety x402 REST

Upgradeable contract and proxy admin check for any EVM contract on Base (GET ?contract=0x… or POST body {contract}). Reads EIP-1967 implementation, admin and beacon slots directly from chain state. Returns whether the co...

www.0816.cn Crypto & Payments checked 2026-10-29

no price published

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