# Returns the live Bitcoin mempool backlog

> Returns the live Bitcoin mempool backlog: pending transaction count, total vsize, aggregate fees and a full fee-rate histogram from mempool.space. Powers autonomous agents and agent-to-agent schedulers that time broadcasts around network congestion and estimate clearing time by fee band. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.

- **Domain**: `bitcoin-mempool-congestion.hergertsynthora.com`
- **Provider**: SYNTHORA (https://hergertsynthora.com)
- **A2A protocol version**: 0.3.0
- **Kind**: a2a_agent
- **Live-responds (last probe)**: None
- **Signed card**: False
- **Streaming**: False
- **Quality score**: 88%
- **Payment protocol**: x402
- **Wallet**: `0x10800a5a5b9d72251566ec651e862a8b4b427de0`

## Skills
- **bitcoin mempool congestion** — Returns the live Bitcoin mempool backlog: pending transaction count, total vsize, aggregate fees and a full fee-rate histogram from mempool.space. Powers autono

## URLs
- Agent card: https://bitcoin-mempool-congestion.hergertsynthora.com/.well-known/agent-card.json
- Page (HTML): https://agenstry.com/agents/bitcoin-mempool-congestion.hergertsynthora.com