> ## Documentation Index
> Fetch the complete documentation index at: https://docs.blockdb.io/llms.txt
> Use this file to discover all available pages before exploring further.

# First-day FAQs

> Answers to the most common onboarding questions: access, authentication, limits, and support.

<AccordionGroup>
  <Accordion title="How do I get access?">
    Open a free account at <a href="https://accounts.blockdb.io/sign-up" target="_blank" rel="noopener noreferrer">Open Account</a>. You can sign up and get API keys on your own. For organization-specific or custom delivery setup, email <a href="mailto:support@blockdb.io" target="_blank" rel="noopener noreferrer">[support@blockdb.io](mailto:support@blockdb.io)</a>.
  </Accordion>

  <Accordion title="How do I authenticate API requests?">
    Use the `Authorization: Bearer YOUR_API_KEY` header. See <a href="/api-reference/overview/home">API Reference → Introduction</a> for examples.
  </Accordion>

  <Accordion title="What are the rate limits?">
    Your **requests-per-second (RPS)** limit depends on your **subscription plan**. See <a href="/pricing/home">Pricing</a> for what each plan includes.
  </Accordion>

  <Accordion title="How do I receive historical data in bulk?">
    Use Archive Delivery: SFTP, S3, Azure Blob, or warehouse shares (Snowflake, Redshift, BigQuery, Databricks). Start at <a href="/user-guide/archive-delivery/introduction">Archive Delivery</a>.
  </Accordion>

  <Accordion title="How fresh is the data?">
    See <a href="/data-catalog/overview/data-freshness">Data Freshness</a>. Real-time endpoints stream new blocks and logs as they arrive; archives update on defined SLAs.
  </Accordion>

  <Accordion title="Where can I see data schemas?">
    Browse the <a href="/data-catalog/evm/dataset-index">Dataset Index</a> and detailed EVM pages (Blocks, Transactions, Logs, Contracts, Function Results).
  </Accordion>

  <Accordion title="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 <a href="/troubleshooting/home">Support Hub</a>.
  </Accordion>
</AccordionGroup>

<Info>
  New to BlockDB? Start with the <a href="/user-guide/about-blockdb/quick-start-guide">Quick Start Guide</a>.
</Info>