BlockX

Pay for content
with crypto.
No gas fees.

HTTP 402 Payment Required meets blockchain. Gasless payments on BlockX using ERC-20 tokens.

Try Demo →Learn More
01

Gasless Payments

Users sign EIP-712 messages. No gas fees required.

02

ERC-20 Support

Pay with USDC, USDT, or any ERC-20 token on BlockX.

03

HTTP 402

Standard HTTP status code for payment required.

// Example Response
HTTP/1.1 402 Payment Required
Content-Type: application/json

{
  "paymentRequirements": {
    "scheme": "exact",
    "network": "eip155:19191",
    "amount": "1000000",
    "asset": "0x5d63...61ce",
    "payTo": "0x9819...FE9a"
  }
}