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.