Ethereum Mainnet · USDC + ETH
402Dock
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Ethereum

402Dock / Ethereum Mainnet

turn requests
into revenue.

Payments for APIs, agents, and digital resources. USDC or ETH. Verified on Ethereum.

start buildingexplore resources

One payment. A verified receipt. Access delivered.

HTTP 402 / paid access

request → payment → access

GET /api/demo/research

Every paid request starts with a price. Read the resource’s payment requirements before connecting your wallet.

network
Ethereum Mainnet
currencies
USDC + ETH
authorization
your wallet
settlement
on Ethereum
delivery
after verification
recovery
saved orders

from request to paid access.

  1. 01

    request

    Call a protected resource and receive its payment requirements.

  2. 02

    choose

    Pay in USDC or ETH, with the exact amount shown before approval.

  3. 03

    authorize

    Approve the payment in your own wallet. Your signing keys stay with you.

  4. 04

    settle

    USDC authorizations are relayed to Ethereum. ETH is submitted directly by your wallet.

  5. 05

    verify

    The backend checks the receipt, recipient, amount, and required confirmations.

  6. 06

    access

    Unlock the resource and recover your order whenever you return.

built for the paid web

your resource.
your revenue.

  • Exact USDC authorizations using EIP-3009.
  • Native ETH payments with a unique order reference.
  • Verified receipts before resources are released.
  • Durable orders and recovery across interrupted sessions.
integration guideopen checkout
the resource interface
# Read the resource's payment requirements
curl -i http://localhost:4020/api/demo/research

# Read payment configuration and available currencies
curl -s http://localhost:4020/api/config

# Complete checkout, then retrieve the resource with your paid order
curl -i http://localhost:4020/api/demo/research \
  -H "Authorization: Bearer <paid-order-id>"