There are two API key categories: Basic and Pro. All plans require an API key, so even if you want to use our free plan (Basic), please contact us via this form.
Expired Pro API keys automatically revert to Basic API keys.
General Usage Information
API Key should be sent in x-api-key header.
Testnet & Mainnet API
For the CKB Advanced Indexer API, use the appropriate base URL depending on the network: