Mempool and fee conditions for a chain

Code snippets

curl "https://api.oanor.com/blockchair-api/v1/mempool" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/blockchair-api/v1/mempool", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/blockchair-api/v1/mempool");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/blockchair-api/v1/mempool",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "name": "Bitcoin",
        "chain": "bitcoin",
        "mempool_tps": 4.35,
        "mempool_size": 92649533,
        "mempool_transactions": 110287,
        "mempool_total_fee_usd": 7590.2358,
        "mempool_median_gas_price": null,
        "median_transaction_fee_24h": 88,
        "suggested_fee_per_byte_sat": 2,
        "average_transaction_fee_24h": 363,
        "median_transaction_fee_usd_24h": 0.05800608,
        "average_transaction_fee_usd_24h": 0.23983344471405166
    },
    "meta": {
        "timestamp": "2026-06-15T11:15:27.669Z",
        "request_id": "3bd1fd4e-f13a-4cc5-ba52-6b0fcf5bc3f5"
    },
    "status": "ok",
    "message": "Mempool retrieved successfully",
    "success": true
}