# WDK + USDT0 Integration Docs.

Public-facing integration guides for developers building agentic payments with Tether WDK wallets and P402 settlement rails.

## Quickstart
Integrate a WDK signer with P402 in ~15 minutes using quote -> sign -> settle -> receipt.

## API Reference
Complete endpoint contracts for quote, settle, and receipt flows with full request/response schemas.

## Error Codes
Stable error taxonomy for backend, SDK, and UI recovery handling.

## Migration Guide
Move from USDC-only EIP-3009 to WDK + USDT0 routing with minimal breakage.

## Privacy & Security Ops
Operational privacy and security baselines for production WDK integrations.