# ARDE Atomic Utility Batch

> Deterministic developer utilities for AI agents, paid per call with x402 USDC on Base Mainnet. One $0.005 payment covers a batch of 1-10 operations.

## Paid API

- [ARDE Atomic Utility Batch](https://untitled-ef4f71e4.base44.app/api/apps/6a8fe38d53b9b6beef4f71e4/functions/ardeUtilityBatchMainnetWorker): $0.005 USDC on Base Mainnet — POST JSON `{ "items": [...] }`; batch unit conversion, EVM hex normalization, HTTP version/Allow/Vary/Origin normalization, CORS preflight checking, retry classification, Set-Cookie security inspection, and CSV null normalization.

## Discovery

- [x402 manifest](https://untitled-ef4f71e4.base44.app/.well-known/x402)
- [OpenAPI 3.1](https://untitled-ef4f71e4.base44.app/openapi.json)
- [Agent skill guide](https://untitled-ef4f71e4.base44.app/skill.md)

## Payment

Protocol: x402 v2 exact scheme. Network: `eip155:8453` (Base Mainnet). Asset: official Base USDC `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`. Receiver: `0xf5871C8b5f1B332d319A5EfB56b055A7410036E5`. Fixed price: `$0.005` / `5000` atomic USDC per batch.

Always treat the live unsigned HTTP 402 challenge as authoritative. Do not invent or reuse a payment signature. If paid acceptance is closed, wait for a fresh 402/release window rather than replaying an old authorization.