Unconfirmed transactions

GET

/api/v1/blockchain/mempool

Last modified:2026-04-17 11:13:21

Maintainer:Not configured

OperationId:blockchain_mempool

Pending Bitcoin transactions in the mempool. Returns up to 50 most recent unconfirmed transactions with hash, size, fee, input/output counts.

Request

Header Params

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

Responses

🟢200OK

application/json

Successful Response

Body

Example

{
    "data": {
        "count": 0,
        "transactions": [
            {
                "hash": "string",
                "size": 0,
                "fee": 0,
                "time": 0,
                "input_count": 0,
                "output_count": 0
            }
        ]
    },
    "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": "string",
        "fallback_used": true,
        "fallback_chain": [
            "string"
        ],
        "cached": true
    }
}

🟠401Unauthorized

🟠429

🔴503Service Unavailable

Modified at 2026-04-17 11:13:21

Mining pool block counts

Available chart types catalog