Tool detail

concentration

Returns how concentrated Charter and Branch ownership is across wallets, with a concentration score and a genesis-vs-auction breakdown.

Categories: Onchain data

Use when

check Charter/Branch ownership concentration across wallets
see the top N holders and genesis vs auction ownership split

Not for

No exclusions documented.

Inputs

GET query param: top? integer >=1 (optional, limits result count)

Admitted input schema

{
  "type": "object",
  "properties": {
    "top": {
      "type": "integer",
      "minimum": 1,
      "maximum": 9007199254740991
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://api.onesource.io/standard/v1/holders/concentration

Payment

Protocol: x402
Listed price: 0.02 USDC per call 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/holders/concentration
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z