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dt0ur.online

Check an ERC-20 token approval on base, ethereum, arbitrum, optimism…

Polygon, bsc: how much a spender (router, Permit2, contract) may move from an owner's wallet, whether the approval is unlimited, and whether it covers the owner's full balance.

Ready now4 calls · 3 buyers in 30 days

Input

EVM chain: base, ethereum, arbitrum, optimism, polygon, bsc (default base)
Wallet that granted the approval
Approved spender (e.g. router or Permit2)
ERC-20 contract address

Sample response

Published by the provider. Your run returns a fresh response.

response10 keys
allowance0
allowance_raw"0"
can_spend_full_balancefalse
chain"base"
is_unlimitedfalse
owner"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
owner_balance43.286078
spender"0x000000000022D473030F116dDEE9F6B43aC78BA3"
symbol"USDC"
token"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
responseobject, 10 keys
Your agent can do this on its own
Add the MCP URL in Claude Code, Cursor or Codex. Your agent can run Tools within its spending limits, or ask for approval each time. Connect your agent

Connect your agent

Add one MCP URL and your agent can find and run this tool within its spending limits. Choose “Ask each time” if you want to approve every Call.

MCP URL

https://app.aecon.ai/mcp
Terminalbash
claude mcp add --transport http --scope user agentic-economy "https://app.aecon.ai/mcp"

In Claude Code, open /mcp, select agentic-economy, then choose Authenticate.

Track record

Paid calls, last 30 days
4
Buyers, last 30 days
3
Last paid call

Reported by the x402 directory.

A$0.015 per call