whatsonchain

# whatsonchain

**Slug:** `whatsonchain`

**Version:** 1.0.0

Description

Access WhatsOnChain API for BSV/BTC blockchain data via REST calls. Manual key setup only, no automation.

Features

Security

API Endpoints

| Endpoint | Description | Example |

|----------|-------------|---------|

| `/chain/info` | Network info | `bsv/main/chain/info` |

| `/mempool/info` | Mempool stats | `bsv/main/mempool/info` |

| `/block/headers` | Last 10 block headers | `bsv/main/block/headers` |

| `/block/height/{height}/stats` | Block stats | `bsv/main/block/height/942402/stats` |

| `/transactions/{txid}` | Transaction details | `bsv/main/transactions/{txid}` |

| `/addresses/{addr}/info` | Address activity | `bsv/main/addresses/{addr}/info` |

| `/inscriptions` | Inscription listing | `bsv/main/inscriptions` |

Authentication

**Credentials Note:**

Setup

1. Create account: https://platform.teranode.group

2. Get API key: https://platform.teranode.group/api-keys

3. Create project: https://platform.teranode.group/projects

4. Move API key to project (optional)

5. Export API key for premium usage (optional):

```bash

export WO_API_KEY="mainnet_yourapikey"

```

Usage

# Network info (free tier - no key required)
curl -s "https://api.whatsonchain.com/v1/bsv/main/chain/info"

# Mempool (free tier)
curl -s "https://api.whatsonchain.com/v1/bsv/main/mempool/info"

# Block stats (free tier)
curl -s "https://api.whatsonchain.com/v1/bsv/main/block/height/942402/stats"

# Transaction (free tier)
curl -s "https://api.whatsonchain.com/v1/bsv/main/transactions/{txid}"

# With API key (premium - optional)
curl -s -H "Authorization: mainnet_yourapikey" \
  "https://api.whatsonchain.com/v1/bsv/main/chain/info"

Documentation

Changelog

v1.0.0