> ## Documentation Index
> Fetch the complete documentation index at: https://docs.agentwallex.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> Recent updates, new features, and improvements to the AgentWallex platform.

## March 2026

### March 15, 2026 — Mintlify Documentation Launch

* Launched new documentation site powered by Mintlify with interactive API playground.
* Added multi-language support: English, Simplified Chinese, Traditional Chinese, Japanese, Korean, Vietnamese, Spanish, and French.
* API reference pages now include interactive request builders.

### March 5, 2026 — Python SDK v0.4.0

* Added `http_interceptor()` for automatic x402 challenge handling in Python.
* Improved async error handling with retry backoff.
* Added type hints for all public methods.

## February 2026

### February 20, 2026 — x402 Session Budgets

* New `POST /x402/sessions` endpoint for pre-authorized spending budgets.
* Sessions support `allowed_urls` for URL-scoped authorization.
* Added `POST /x402/sessions/:id/pay` for session-scoped payments.
* SDK methods: `aw.x402.createSession()`, `aw.x402.sessionPay()`.

### February 10, 2026 — Policy Templates

* New policy template system: create, apply, and reuse policy configurations.
* Three built-in templates: `conservative`, `standard`, `permissive`.
* API endpoints: `GET/POST/PUT/DELETE /policy-templates`.
* SDK methods: `aw.policies.createTemplate()`, `aw.policies.applyTemplate()`.

## January 2026

### January 25, 2026 — Webhook Delivery History

* New `GET /webhooks/:id/deliveries` endpoint to inspect delivery history.
* View status codes, response times, and failure reasons for each delivery.
* Added `POST /webhooks/:id/test` for sending test events.

### January 15, 2026 — Base Mainnet Support

* Added Base (`eip155:8453`) as an active chain for agent wallets and x402 settlement.
* USDC support on Base for both direct transactions and x402 micropayments.

### January 5, 2026 — TypeScript SDK v0.6.0

* Added `x402.httpInterceptor()` for automatic 402 challenge handling.
* New typed error classes: `PolicyViolationError`, `AuthenticationError`, `NotFoundError`, `RateLimitError`.
* Improved TypeScript type exports.

## December 2025

### December 15, 2025 — Human Approval Routing

* Transactions above a configurable threshold can now be routed to human review.
* New webhook event: `approval.requested`.
* Dashboard support for one-click approve/reject.
* Configurable timeout with auto-reject.

### December 1, 2025 — Initial Public Beta

* AgentWallex platform launch with MPC wallets (via Paratro), policy engine, and x402 micropayments.
* Supported chains: Ethereum, BNB Smart Chain, Polygon, Tron, Bitcoin.
* TypeScript SDK v0.1.0 and Python SDK v0.1.0.
* REST API v1 with agents, transactions, policies, and webhooks.