{
  "x402Version": 2,
  "id": 3912,
  "slug": "3912",
  "resource": "https://data.greeneris.io/v1/btc/fees",
  "description": "Recommended Bitcoin transaction fee rates in sat/vB (fastest, half-hour, hour, economy, minimum) from mempool.space, computed from the live mempool. Optional ?include=difficulty adds the current difficulty retarget estimate (change %, remaining blocks/time). No required params; served with a 60s cache.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "include": "difficulty"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "difficulty_adjustment": {
              "difficulty_change_percent": -2.74,
              "estimated_retarget_date_ms": 1753728000000,
              "progress_percent": 11.06,
              "remaining_blocks": 1793,
              "remaining_time_ms": 1093000000
            },
            "fees_sat_per_vb": {
              "economy": 1,
              "fastest": 2,
              "half_hour": 1,
              "hour": 1,
              "minimum": 1
            },
            "source": "mempool.space (live mempool snapshot)"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "include": {
                    "description": "Add difficulty retarget estimate (optional)",
                    "enum": [
                      "difficulty"
                    ],
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "data.greeneris.io",
  "lastUpdated": "2026-08-28T16:09:51.7Z",
  "quality": {
    "calls30d": 130,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-08-28T16:10:36.541Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "data.greeneris.io",
    "manifest_name": "data.greeneris.io",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}