Tool detail

eu-verify

Returns recommended Bitcoin transaction fee rates in sat/vB across five speed tiers, computed from the live mempool.

Categories: Onchain data

Use when

get the current recommended BTC transaction fee rate
check the Bitcoin difficulty retarget estimate

Not for

not a full mempool explorer, fee rates (and optional difficulty) only

Inputs

GET query param: include (enum 'difficulty', optional) - adds a difficulty retarget estimate.

Admitted input schema

{
  "type": "object",
  "properties": {
    "include": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "enum": [
        "difficulty"
      ],
      "description": "Add difficulty retarget estimate (optional)"
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://data.greeneris.io/v1/btc/fees

Payment

Protocol: x402
Listed price: $0.001 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://data.greeneris.io/v1/btc/fees
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z