x402 List

x402 Protocol Service Directory

Submit a Service

Add your x402-compatible service to the directory. Browse existing services to see what's already listed. After submission, we will automatically probe your endpoints for valid HTTP 402 responses, then manually review the results before listing. You can also use our API to submit programmatically.

SUBMISSION FORM

List your x402-protected endpoint paths, one per line. Each will be probed for HTTP 402.

HOW IT WORKS

  1. 1. Submit your service details
  2. →
  3. 2. We probe each endpoint for HTTP 402
  4. →
  5. 3. Manual review & approval
  6. →
  7. 4. Listed in directory

REQUIREMENTS

Your service must respond with HTTP 402 Payment Required and a valid x402 accepts[] payload on protected endpoints. All submissions are manually reviewed before appearing in the directory. See About for more on how the protocol works.