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Substrate indexer


  • Polkadot:
  • Kusama:


The indexer api uses an api access token for authentication, when making requests include a header with the key of apikey and the value as your api access token provided by the platform.

How to create API access token

  1. Login to the Coinbase Cloud dashboard at
  2. Click on the menu in the top left
  3. Select API Management
  4. Click API Access Token
  5. Name your token
  6. Select protocol(s) (Polkadot, Kusama)
  7. Select Read
  8. Click create
  9. Copy your token and store it securely (we only display this once, you can create more as necessary)

Generate Key ExampleGenerate Key Example


See the API Reference for information on available endpoints and usage.