Overview

Complete payment verification solution with a streamlined API.

How It Works

Oura402 provides x402 payment verification through a straightforward and efficient API.

Payment Verification

Submit a payment proof to verify its authenticity and validate cryptocurrency payments.

Use this for:

  • Accepting x402 payments in your API

  • Verifying crypto payments without blockchain knowledge

  • Getting paid for digital services

  • Pretty much everything else

View Payment Verification →

Real-Time Notifications (Optional)

Receive instant notifications when payments are received using WebSocket connections.

Use this for:

  • Real-time payment notifications

  • Building payment dashboards

  • Monitoring transactions live

  • Being notified immediately when money hits

View WebSocket API →

Base URL

All API endpoints are accessible via:

Authentication

All requests require authentication via API key:

See Authentication for details.

Response Format

Success Response

Error Response

What You Need to Send

Three required fields:

Field
What It Is

payment_proof

The payment proof from x402 (we verify it)

amount

How much you expect to get paid

recipient

Your wallet address (where the money goes)

Rate Limits

Rate limits apply based on your subscription plan:

Plan
Requests/Minute

Free

100/min

Paid

1,000/min

Enterprise

However many you need

See Rate Limits →

No SDK Required

Supports any HTTP client library. Use curl, fetch, axios, requests, or any standard HTTP library.

Want examples? Check out the examples →

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