> ## Documentation Index
> Fetch the complete documentation index at: https://signatureapi-daf4ee54.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# API Guides

> Step-by-step tutorials and how-to guides for implementing common SignatureAPI workflows

## How-Tos

The How-To guides contain practical, step-by-step instructions to help you quickly complete specific tasks using SignatureAPI.

### Signature Positioning

<CardGroup cols={2}>
  <Card title="Placeholders" href="/docs/api/guides/how-to/use-placeholders">
    Position a signature (or any other place) using a placeholder within the document.
  </Card>

  <Card title="Fixed Positions" href="/docs/api/guides/how-to/use-fixed-positions">
    Position a signature (or any other place) using fixed positions (coordinates).
  </Card>
</CardGroup>

### Signing Order

<CardGroup cols={2}>
  <Card title="Parallel Signing" href="/docs/api/guides/how-to/parallel-signing">
    How to send an envelope for signatures to multiple recipients in parallel.
  </Card>

  <Card title="Sequential Signing" href="/docs/api/guides/how-to/sequential-signing">
    How to send an envelope for signatures to multiple recipients signing in order.
  </Card>
</CardGroup>

### Recipients

<CardGroup cols={2}>
  <Card title="Send to an Approver" href="/docs/api/guides/how-to/send-to-approver">
    Add an approver who reviews and approves a document before the signer signs it.
  </Card>

  <Card title="Prepare a Document Before Sending to Sign" href="/docs/api/guides/how-to/prepare-before-signing">
    Have a preparer fill in fields before the signer receives the envelope.
  </Card>

  <Card title="Use Custom Authentication" href="/docs/api/guides/how-to/custom-authentication">
    Control access to signing ceremonies using your own authentication system.
  </Card>
</CardGroup>

### Documents & Templates

<CardGroup cols={2}>
  <Card title="Use Document Templates" href="/docs/api/guides/how-to/document-templates">
    Generate documents from DOCX templates with dynamic data, conditionals, and merge fields.
  </Card>
</CardGroup>

### Ceremonies

<CardGroup cols={2}>
  <Card title="Embed Signing in a Web App" href="/docs/api/guides/how-to/embed-web">
    Embed the signing ceremony in a web application using an iframe.
  </Card>

  <Card title="Embed Signing in a Mobile App" href="/docs/api/guides/how-to/embed-mobile">
    Embed the signing ceremony in a mobile app using WebView.
  </Card>
</CardGroup>

### Webhooks

<CardGroup cols={2}>
  <Card title="Set Up Webhooks" href="/docs/api/guides/how-to/set-up-webhooks">
    Receive real-time notifications when envelope events happen.
  </Card>
</CardGroup>

### Envelope Management

<CardGroup cols={2}>
  <Card title="Customize Branding" href="/docs/api/guides/how-to/customize-branding">
    Add your logo, brand colors, and email footer to envelopes.
  </Card>

  <Card title="Organize with Topics and Metadata" href="/docs/api/guides/how-to/organize-topics-metadata">
    Tag envelopes with topics and attach custom metadata for organization and integration.
  </Card>
</CardGroup>