How do I get access?
How do I get access?
For free historical data, download the Free Research Datasets from Hugging Face — no account needed. For API, WebSocket, or bulk delivery access, email support@blockdb.io — plans are custom, and your API keys are issued when your plan is activated. See Pricing.
How do I authenticate API requests?
How do I authenticate API requests?
Use the
Authorization: Bearer YOUR_API_KEY header. See API Reference → Introduction for examples.What are the rate limits?
What are the rate limits?
Your requests-per-second (RPS) limit depends on your subscription plan. Limits are set per custom plan — see Pricing.
How do I receive historical data in bulk?
How do I receive historical data in bulk?
Use Archive Delivery: SFTP, S3, Azure Blob, or warehouse shares (Snowflake, Redshift, BigQuery, Databricks). Start at Archive Delivery.
How fresh is the data?
How fresh is the data?
See Data Freshness. Real-time endpoints stream new blocks and logs as they arrive; archives update on defined SLAs.
Where can I see data schemas?
Where can I see data schemas?
Browse the Dataset Index and detailed EVM pages (Blocks, Transactions, Logs, Contracts, Function Results).
How do I report an incident or bug?
How do I report an incident or bug?
Open a ticket via email with endpoint, timestamps, request ID (if present), and sample request/response. See Support Hub.
New to BlockDB? Start with the Quick Start Guide.