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Bitcoin Recommended Fee Rates

mempool/recommended-fees

Current recommended Bitcoin transaction fee rates in sat/vB from the live mempool: fastest (next block), half hour, hour, economy and the minimum relay fee.

activeper callv1

Price

$0.0026 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $0.50.

Data source

mempool.space

Bitcoin data from the public mempool.space API (https://mempool.space/docs/api/rest). Served by Eden Engine; not an official Mempool product.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

Connect once and your AI can find and run this tool, and any other it needs.

Install itCreate an account
agent
// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "mempool/recommended-fees" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "mempool/recommended-fees" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "mempool/recommended-fees", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "mempool/recommended-fees", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

Not connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.

Pricing

Every charge this tool can incur.

ChargePrice
Per call
$0.0026
Updated
Oct 21, 2026

Input and output schemas

Input schema
input_schema.json
{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}
Output schema
output_schema.json
{
  "type": "object",
  "required": [
    "fastestFee",
    "halfHourFee",
    "hourFee",
    "economyFee",
    "minimumFee"
  ],
  "properties": {
    "hourFee": {
      "type": "number"
    },
    "economyFee": {
      "type": "number"
    },
    "fastestFee": {
      "type": "number",
      "description": "sat/vB for next-block confirmation."
    },
    "minimumFee": {
      "type": "number",
      "description": "Minimum relay fee, sat/vB."
    },
    "halfHourFee": {
      "type": "number"
    }
  },
  "description": "Recommended Bitcoin fee rates, in sat/vB.",
  "additionalProperties": true
}