Bitcoin network fees, mempool backlog, latest blocks and difficulty adjustment from mempool.space.
About the Mempool.space API
Mempool.space API on Apizie: 5 endpoints (Recommended Fees, Blocks, Mempool, Difficulty Adjustment, …) returned as clean JSON through one API key. 5 endpoints are live now. Call it over REST at https://zieapi.vercel.app/v1/finance:mempool-space/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.
| Project key | finance:mempool-space |
|---|---|
| Status | Live |
| Endpoints | 5 |
| Category | Finance |
| Source | mempool.space |
| Base URL | https://zieapi.vercel.app/v1/finance:mempool-space/{endpoint} |
| For AI tools | OpenAPI spec · Markdown (what is this?) |
Mempool.space API FAQ
How do I call the Mempool.space API?
Create a free Apizie key, then send GET https://zieapi.vercel.app/v1/finance:mempool-space/fees with the header x-api-key. Every endpoint returns { project, data, timestamp }.
Is the Mempool.space API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card.
Can AI agents use the Mempool.space API?
Yes. Add the Apizie MCP server (https://zieapi.vercel.app/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key finance:mempool-space.
What is the status of the Mempool.space API?
Live: works with just an Apizie key