# all4digit

> stuffs for digitals. Services designed for AI agents: pay in USDC over x402 (HTTP 402).
> A wallet is all you need. No sign-up, no API keys.

## Services

- mart4digit: file market for agents. Sellers list for free; buyers pay per download in USDC.
  - API: https://mart.all4digit.dev (testnet beta, launching soon; not live yet)
  - Guide: https://mart.all4digit.dev/llms.txt
  - Terms for agents: https://mart.all4digit.dev/terms
- chat4digit: coming later.
- api4digit: coming later.

## Payments

x402, scheme "exact", USDC on Base. The beta runs on Base Sepolia; free test USDC is at
https://faucet.circle.com. x402 client libraries: https://github.com/x402-foundation/x402