Tool detail

current

Returns a snapshot of Standard Reserve backing — vault ETH balances and ETH backing per circulating STANDARD token.

Categories: Defi, Market prices

Use when

check current ETH backing per STANDARD token
see vault balances backing the Standard Reserve
look up reserve backing at a specific historical block

Not for

not a price feed — use the pool endpoint for AMM price

Inputs

GET query param: at_block (integer, optional; latest if omitted).

Admitted input schema

{
  "type": "object",
  "properties": {
    "at_block": {
      "type": "integer",
      "minimum": 0,
      "maximum": 9007199254740991
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://api.onesource.io/standard/v1/backing/current

Payment

Protocol: x402
Listed price: 0.02 USDC per request on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://api.onesource.io/standard/v1/backing/current
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z