Subscan
Subscan API service pricing plans for accessing indexed on-chain data across Substrate-based networks including Polkadot and Kusama.
Subscan is the machine-readable pricing-plan profile for Polkadot on the APIs.io network, conforming to the API Commons Plans specification.
It defines 3 plans, with named plans including Free, Developer, Pro.
Tagged areas include Blockchain, Polkadot, Parachain, Substrate, and Crypto.
Plans
Designed for developers, researchers, and ecosystem enthusiasts to build and explore at zero cost. Includes access to all supported networks with limited daily request quota and rate limits.
Higher performance plan for active development teams with expanded daily request quota and dedicated support.
Production-grade high-performance plan with expanded quotas, SLA guarantees, and dedicated support for production deployments. Pricing available on request.
Work with this as data
Every plan here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for plans
4 MCP tools reach this
find_plansBrowse and filter every plan in the catalog.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
curl "https://apis.io/api/v1/plans/subscan"curl "https://apis.io/api/v1/plans?limit=25"Discovery needs no key. Ratings and market analysis are Pro.