X402 Anchor
x402_anchorRead-onlyIdempotent
Dated proof of what existed at time T (PAID $0.01)
VALUE: A dated economic anchor point for the x402 economy — the yardstick for whether activity is actually growing.
PRICE: $0.01 USDC per call.
HOW TO PAY: USDC on eip155:8453, exact scheme, to 0xc8fF67FAE72596478599EAAcfad8656fAe1113c8. Sign an EIP-3009 transferWithAuthorization for the exact amount and put it in the X-PAYMENT header, then retry the same call. An unpaid call returns a payment_required payload with the amount, asset, network and payTo already filled in. The synthex-x402 SDK (PyPI and npm) does the 402 -> sign -> retry loop in one call.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| date | No | UTC calendar date, YYYY-MM-DD. Empty = today (UTC). |