Digital Economy and Infrastructure
Mempool backlog statistics
Current Bitcoin mempool state - pending transaction count, total virtual size (vBytes), total fees, and fee histogram. Key indicator of Bitcoin network congestion.
get/api/v1/onchain/bitcoin/stats
Response
Bitcoin mempool backlog with pending transaction count, vBytes, fees, and histogram.
Example response
{
"meta": {
"endpoint": "/api/v1/fred/us/cpi",
"data_time": "2026-04-16T14:30:00Z",
"response_time": "2026-04-16T14:30:12Z",
"provider": "Sugra API v1.0.1",
"source": "sugra_crypto",
"attribution": "Short interest and Reg SHO daily short volume data is owned by and sourced from FINRA (Financial Industry Regulatory Authority).",
"fallback_chain": [
"sugra_crypto",
"sugra_finance"
]
}
}