> ## Documentation Index
> Fetch the complete documentation index at: https://cantonfoundation-reference-history-contracts.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# JSON Ledger API OpenAPI

> JSON Ledger API OpenAPI reference overview and raw specification download.

<div class="x2mdx-ref-hero">
  <p class="x2mdx-ref-eyebrow">Ledger API</p>

  <h1 class="x2mdx-ref-title">JSON Ledger API OpenAPI</h1>

  <p class="x2mdx-ref-summary">Generated operation reference for the JSON Ledger API, with lifecycle history embedded on each operation page.</p>

  <div class="x2mdx-ref-badges">
    <span class="x2mdx-ref-badge x2mdx-ref-badge--protocol">OpenAPI</span>

    <span class="x2mdx-ref-badge x2mdx-ref-badge--neutral">3.5</span>
  </div>

  <dl class="x2mdx-ref-meta-grid">
    <div class="x2mdx-ref-meta-item">
      <dt>Operations</dt>
      <dd>67</dd>
    </div>

    <div class="x2mdx-ref-meta-item">
      <dt>Source</dt>
      <dd>Canton release bundle JSON Ledger API specifications</dd>
    </div>
  </dl>
</div>

## Specification

[Download the published OpenAPI specification](/openapi/json-ledger-api/openapi.yaml).