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Bitcoin Network Difficulty Chart API
x402
Bitcoin Network Difficulty Chart API is a paid API for AI agents from api.blockchain.info, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-30).
Returns time-series chart data for Bitcoin network mining difficulty over a specified time period
Price / call$0.001
Success—
StatusUnknown
How this service works
Blockchain explorer gateway — Solana, Bitcoin, Bitcoin Cash, Ethereum
Output
Returns a JSON object containing the chart name ('Difficulty'), unit ('difficulty'), time period granularity ('day'), status ('ok'), a human-readable description of the metric, and an array of {x: unix_timestamp, y: difficulty_value} data points representing the Bitcoin network's estimated mining difficulty over the requested timespan.
Example use cases
Track Bitcoin difficulty for mining ROI
“Show me the Bitcoin network difficulty chart for the last 3 years with a 24-hour rolling average — I want to see how difficulty has changed to estimate mining profitability over time.”
Monitor weekly difficulty spike
“Grab the Bitcoin mining difficulty data for the past 7 days with an 8-hour rolling average from Blockchain.com, including metadata, so I can see if there was a sudden difficulty spike this week.”
Embed difficulty chart in dashboard
“Fetch the Bitcoin difficulty chart for the last 24 hours from Blockchain.com in a format I can render, with sampling enabled to reduce the number of data points.”
Technical details
Endpoint
POSThttps://api.blockchain.info/explorer-gateway-kt/x402/charts/difficulty?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need historical or recent Bitcoin network difficulty data in time-series form, especially when you want configurable timespans, rolling averages, and sampling for visualization. It is part of Blockchain.com's official explorer infrastructure, making it a reliable source for on-chain Bitcoin metrics. Prefer it over generic crypto APIs when you specifically need difficulty chart data with fine-grained time controls.
Side effects
- Invalid timespan format returns error or empty data
- Unsupported chart format enum value causes validation failure
- Payment not received (402) when x402 payment header is missing or insufficient
- Rate limiting if too many requests are made in quick succession
- Server-side data gaps may produce incomplete value arrays
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| cors | boolean | Enable CORS headers |
| format | — | |
| sampled | boolean | Apply sampling to reduce data points |
| metadata | boolean | Include metadata in response |
| timespan | string | Time period (e.g., "24h", "7d", "1y", "3y") |
| rollingAverage | string | Rolling average window (e.g., "8h", "24h") |
Output
Schema · Response
{
"type": "json",
"format": "application/json",
"example": {
"name": "Difficulty",
"unit": "difficulty",
"period": "day",
"status": "ok",
"values": [
{
"x": 1704067200,
"y": 72000000000000
},
{
"x": 1704153600,
"y": 72100000000000
}
],
"description": "The estimated difficulty of the bitcoin network"
}
}Tags
x402
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