Base toolbox

• /v1/preflight preflight

  Before you sign a Uniswap v3 swap on Base: amountOut, minOut, gas, exact-amount approve calldata (never max uint), simulate revert, sell-check. POST {from, tokenIn, tokenOut, amountIn}. $0.10 USDC.

  base preflight uniswap swap allowance simulate honeypot minout
  1 example

  • POST /v1/preflight on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md

  In: application/json · Out: application/json

• /v1/allowances allowances

  Leftover Uniswap-family ERC-20 allowances on Base for one token: SwapRouter02, Permit2, Universal Router. Revoke calldata is approve(spender, 0), never max uint. POST {from, token}. $0.10 USDC.

  base allowance revoke uniswap permit2
  1 example

  • POST /v1/allowances on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md

  In: application/json · Out: application/json

• /v1/explain explain

  Decode a Base tx before you sign: approve, ERC-20 transfer, or Uniswap v3 exactInputSingle. Unknown calldata → abort. POST {to, data, value}. $0.10 USDC.

  base explain calldata approve swap
  1 example

  • POST /v1/explain on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md

  In: application/json · Out: application/json

• /v1/send-check send-check

  Before you send USDC/WETH/ETH on Base: simulate the transfer, reject zero address, flag contract recipients. POST {from, to, token, amountIn}. $0.10 USDC.

  base transfer send simulate usdc
  1 example

  • POST /v1/send-check on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md

  In: application/json · Out: application/json

• /v1/base-price base-price

  Live DEX token price in USD on Base. Uniswap v3 USDC pool. Pass ticker WETH/USDC/cbBTC or 0x contract. No CoinGecko key. $0.001 USDC.

  base price usdc uniswap token weth dex
  1 example

  • POST /v1/base-price on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md

  In: application/json · Out: application/json

• /v1/base-gas base-gas

  Base network EIP-1559 gas oracle: base fee, priority tips, 21k transfer cost. Use before signing a tx. No oracle key. $0.001 USDC.

  base gas eip1559 fee oracle
  1 example

  • POST /v1/base-gas on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md

  In: application/json · Out: application/json

• /v1/base-ens base-ens

  ENS resolve: turn a .eth name into a 0x address (vitalik.eth). On-chain L1 records, no CCIP. $0.001 USDC.

  ens eth resolve name vitalik
  1 example

  • POST /v1/base-ens on Base x402 USDC. See https://basetoolbox.cartonpliant.workers.dev/SKILL.md

  In: application/json · Out: application/json

Interfaces

Capabilities

Streaming

No

Push notifications

No

Extended card for signed-in callers

Not declared

Security and formats

Requires

Not declared

Schemes

Not declared

Accepts

application/json

Returns

application/json