Bitcoin On-Chain Data

The Bitcoin Data API
for developers & analysts

Hundreds of on-chain metrics from the Bitcoin blockchain, delivered via a clean REST API. Historical data, real-time updates, and Lightning Network payments.

200+
On-chain metrics
2009
Historical data since
REST
JSON API
Lightning payments

Everything you need to analyse Bitcoin

From raw blockchain data to advanced on-chain indicators

On-chain metrics

UTXO set, realized cap, SOPR, MVRV, NVT, difficulty, mempool data and many more indicators directly from the blockchain.

Browse endpoints

Full historical data

Access data going back to the Bitcoin genesis block in 2009. All metrics available with daily, block-level and hourly granularity.

Interactive charts

Explore all metrics visually at charts.bgeometrics.com. Built with Plotly for smooth, interactive exploration.

Open charts

Simple authentication

API key in the request header. No OAuth complexity. Get your key after registration and start querying in minutes.

Get API key

Price alerts

Set up on-chain metric alerts and get notified by email or Telegram when conditions are met. Crossings, ranges, moving averages and more.

Weekly reports

Curated weekly and daily Bitcoin on-chain analysis reports with charts and commentary, available for free.

Read reports

Two APIs, one ecosystem

Separate endpoints for general metrics and block-level data

Free tier

Bitcoin Data API

The main API. On-chain metrics, market data, derivatives, M2 money supply and more. Available in multiple documentation formats.

Open docs
Advanced+

Bitcoin Block API

Block-level granularity data: per-block UTXO creation/destruction, fees, miner stats, transaction counts and more.

Open docs

Pay with Bitcoin Lightning

Upgrade your plan instantly using the Lightning Network. No credit card required. Payments settle in seconds — true Bitcoin-native subscriptions.

View plans