Task

Spending Approval

1 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.

ERC-20 Token Allowance API x402 REST usage

Live ERC-20 spending allowance an owner has granted a spender: calls `allowance(owner, spender)` on the token and returns the raw amount, a decimal-formatted amount (using the token's decimals) with its symbol, and an `i...

chain.openverbs.com Data & Finance 3 calls / 30d checked 2026-10-26

0.002 USDC per call per call

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