Chain49 API

cloud:chain49 · chain49.com/ ↗

Your key

Kickstart your next crypto project - extended trezor/blockbook API with 10+ blockchains available instantly and 50+ possible on request running on the finest hardware in Germany's best datacenters at Hetzner Websocket…

18 endpoints18 with your key0 callsBulk supported

About the Chain49 API API

Chain49 API API on Apizie: 18 endpoints (List available blockchains, Blockchain Info Summary, Get address V2, Get Balance History V2, …) returned as clean JSON through one API key. Send your own provider key in the x-upstream-key header. Call it over REST at https://zieapi.vercel.app/v1/cloud:chain49/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

Project keycloud:chain49
StatusYour key
Endpoints18
CategoryCloud
Sourcechain49.com/
Base URLhttps://zieapi.vercel.app/v1/cloud:chain49/{endpoint}
For AI toolsOpenAPI spec · Markdown (what is this?)

Chain49 API API FAQ

How do I call the Chain49 API API?

Create a free Apizie key, then send GET https://zieapi.vercel.app/v1/cloud:chain49/get-available-blockchains with the header x-api-key. Every endpoint returns { project, data, timestamp }.

Is the Chain49 API API free on Apizie?

Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card. Chain49 API itself also needs your own key from chain49.com.

Can AI agents use the Chain49 API 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 cloud:chain49.

What is the status of the Chain49 API API?

Needs your own provider key (bring your own key)

Use Chain49 API from MCP

Add Apizie to your agent once, then ask for “Chain49 API”: the agent calls run_scraper with cloud:chain49.

claude mcp add --transport http apizie https://zieapi.vercel.app/mcp \
  --header "x-api-key: apz_••••••••"