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

# Reference

> Complete API and protocol reference: REST, gRPC, Protobuf, and status APIs for every Hedera service.

<div className="not-prose landing-container">
  <div className="landing-section">
    <div className="landing-section-heading-row">
      <h2 id="mirror-node-rest" className="landing-section-heading">
        <a href="#mirror-node-rest">Mirror node REST endpoints</a>
      </h2>
    </div>

    <p className="landing-section-description">
      Query historical and live state of every Hedera entity over plain HTTP.
    </p>

    <div className="landing-grid">
      <a href="/reference/rest-api/accounts/index" className="landing-card">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
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            <circle cx="12" cy="7" r="4" />
          </svg>
        </div>

        <div>
          <div className="landing-card-title">Accounts</div>
          <div className="landing-card-desc">List, query, NFTs, allowances, staking, rewards.</div>
        </div>
      </a>

      <a href="/reference/rest-api/balances/index" className="landing-card">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
            <path d="M12 2v20 M5 8l7-5 7 5 M5 8v8l7 5 7-5V8" />
          </svg>
        </div>

        <div>
          <div className="landing-card-title">Balances</div>
          <div className="landing-card-desc">HBAR and token balances at any historical timestamp.</div>
        </div>
      </a>

      <a href="/reference/rest-api/blocks/index" className="landing-card">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
            <path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z M3.27 6.96L12 12.01l8.73-5.05 M12 22.08V12" />
          </svg>
        </div>

        <div>
          <div className="landing-card-title">Blocks</div>
          <div className="landing-card-desc">Block-level views over consensus events for EVM compatibility.</div>
        </div>
      </a>

      <a href="/reference/rest-api/tokens/index" className="landing-card">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
            <circle cx="12" cy="12" r="10" />

            <path d="M12 7v10 M9.5 15h5a2 2 0 1 0 0-4h-5a2 2 0 1 1 0-4h5" />
          </svg>
        </div>

        <div>
          <div className="landing-card-title">Tokens</div>
          <div className="landing-card-desc">HTS token metadata, balances, NFTs, and supply snapshots.</div>
        </div>
      </a>

      <a href="/reference/rest-api/topics/index" className="landing-card">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
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          </svg>
        </div>

        <div>
          <div className="landing-card-title">Topics</div>
          <div className="landing-card-desc">HCS topic info and historical message retrieval.</div>
        </div>
      </a>

      <a href="/reference/rest-api/transactions/index" className="landing-card">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
            <path d="M17 1l4 4-4 4 M3 11V9a4 4 0 0 1 4-4h14 M7 23l-4-4 4-4 M21 13v2a4 4 0 0 1-4 4H3" />
          </svg>
        </div>

        <div>
          <div className="landing-card-title">Transactions</div>
          <div className="landing-card-desc">Transaction history, fees, records, and receipts.</div>
        </div>
      </a>

      <a href="/reference/rest-api/contracts/index" className="landing-card">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
            <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z M14 2v6h6 M9 13l2 2 4-4" />
          </svg>
        </div>

        <div>
          <div className="landing-card-title">Contracts</div>
          <div className="landing-card-desc">Bytecode, state, logs, and call results for deployed contracts.</div>
        </div>
      </a>

      <a href="/reference/rest-api/schedules/index" className="landing-card">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
            <rect x="3" y="4" width="18" height="18" rx="2" />

            <path d="M16 2v4 M8 2v4 M3 10h18" />
          </svg>
        </div>

        <div>
          <div className="landing-card-title">Schedules</div>
          <div className="landing-card-desc">Pending and executed scheduled transactions.</div>
        </div>
      </a>

      <a href="/reference/rest-api/network/index" className="landing-card">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
            <circle cx="12" cy="12" r="10" />

            <path d="M2 12h20 M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 M12 2a15.3 15.3 0 0 0-4 10 15.3 15.3 0 0 0 4 10" />
          </svg>
        </div>

        <div>
          <div className="landing-card-title">Network</div>
          <div className="landing-card-desc">Nodes, exchange rates, fees, supply, and stake distribution.</div>
        </div>
      </a>
    </div>
  </div>

  <div className="landing-section">
    <div className="landing-section-heading-row">
      <h2 id="protobuf-services" className="landing-section-heading">
        <a href="#protobuf-services">Protobuf services</a>
      </h2>
    </div>

    <p className="landing-section-description">
      Wire-level definitions every SDK uses under the hood: submit raw transactions yourself.
    </p>

    <div className="landing-grid">
      <a href="/reference/protobuf/crypto/index" className="landing-card-stacked">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
            <path d="M20 21v-2a4 4 0 0 0-4-4H8a4 4 0 0 0-4 4v2" />

            <circle cx="12" cy="7" r="4" />
          </svg>
        </div>

        <div className="landing-card-title">Crypto Service</div>
        <div className="landing-card-desc">Account create, transfer, allowance, delete, plus balance/info queries.</div>

        <div className="landing-tag-group">
          <span className="landing-tag">Accounts</span>
        </div>
      </a>

      <a href="/reference/protobuf/token/index" className="landing-card-stacked">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
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            <path d="M12 7v10 M9.5 15h5a2 2 0 1 0 0-4h-5a2 2 0 1 1 0-4h5" />
          </svg>
        </div>

        <div className="landing-card-title">Token Service</div>
        <div className="landing-card-desc">HTS create, mint, burn, freeze, KYC, custom fees: full token lifecycle.</div>

        <div className="landing-tag-group">
          <span className="landing-tag">HTS</span>
        </div>
      </a>

      <a href="/reference/protobuf/consensus/index" className="landing-card-stacked">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
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          </svg>
        </div>

        <div className="landing-card-title">Consensus Service</div>
        <div className="landing-card-desc">HCS topic create/update/delete and submit-message protobufs.</div>

        <div className="landing-tag-group">
          <span className="landing-tag">HCS</span>
        </div>
      </a>

      <a href="/reference/protobuf/smart-contracts/index" className="landing-card-stacked">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
            <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z M14 2v6h6" />
          </svg>
        </div>

        <div className="landing-card-title">Smart Contract Service</div>
        <div className="landing-card-desc">EVM contract create, call, update, get-info, get-bytecode.</div>

        <div className="landing-tag-group">
          <span className="landing-tag">EVM</span>
        </div>
      </a>

      <a href="/reference/protobuf/schedule/index" className="landing-card-stacked">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
            <rect x="3" y="4" width="18" height="18" rx="2" />

            <path d="M16 2v4 M8 2v4 M3 10h18" />
          </svg>
        </div>

        <div className="landing-card-title">Schedule Service</div>
        <div className="landing-card-desc">Multi-party scheduled transactions: create, sign, delete, query.</div>

        <div className="landing-tag-group">
          <span className="landing-tag">HSS</span>
        </div>
      </a>

      <a href="/reference/protobuf/file/index" className="landing-card-stacked">
        <div className="landing-card-icon">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
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          </svg>
        </div>

        <div className="landing-card-title">File Service</div>
        <div className="landing-card-desc">File create, append, update, delete and content/info queries.</div>

        <div className="landing-tag-group">
          <span className="landing-tag">Storage</span>
        </div>
      </a>
    </div>
  </div>
</div>