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

# a3ERP

export const OverviewLegend = ({showTitle = true}) => <blockquote>
    {showTitle && <p>
        <strong>Overview legend 🧭</strong>
      </p>}
    <table>
      <thead>
        <tr>
          <th>Column</th>
          <th>Value</th>
          <th>Meaning</th>
        </tr>
      </thead>
      <tbody>
        <tr>
          <td>Geography</td>
          <td>🇫🇷 FR · 🇧🇪 BE · …</td>
          <td>Countries where the connector is officially supported.</td>
        </tr>
        <tr>
          <td rowSpan={3}>Software type</td>
          <td>SaaS</td>
          <td>Through API.</td>
        </tr>
        <tr>
          <td>On-premise (local agent)</td>
          <td>
            Software running locally — installation of a local agent is
            required.
          </td>
        </tr>
        <tr>
          <td>On-premise (API)</td>
          <td>Software running locally — API available.</td>
        </tr>
        <tr>
          <td rowSpan={2}>Status</td>
          <td>🔵 Live</td>
          <td>Connector is generally available and production-ready.</td>
        </tr>
        <tr>
          <td>🟣 Beta</td>
          <td>
            Connector is in beta — usable in production but may still evolve.
          </td>
        </tr>
        <tr>
          <td>Multi folder</td>
          <td>✅ Yes / ❌ No</td>
          <td>
            Connection to multiple accounting folders at the same time (see{' '}
            <a href="/developer-guides/api-guides/accounting/folders">
              accounting folders guide
            </a>
            ).
          </td>
        </tr>
        <tr>
          <td>Rate limits</td>
          <td>✅ No / ❌ Yes</td>
          <td>Whether the target software sets rate limits on API calls.</td>
        </tr>
        <tr>
          <td rowSpan={3}>API keys</td>
          <td>❎ No</td>
          <td>
            No API keys required (OAuth2 client secret and client ID). No
            requirements to activate the connector — you can create a
            connection.
          </td>
        </tr>
        <tr>
          <td>🔑</td>
          <td>
            Keys are required to activate the connector. Chift cannot act as
            intermediary to obtain them; we can still assist with steps to get
            keys directly from the software provider.
          </td>
        </tr>
        <tr>
          <td>🔑 ☑️ via Chift</td>
          <td>
            Keys are required to activate the connector. You can go through
            Chift to get the keys (intermediary or partnership keys). An
            approval process may still apply, but you do not need to request
            keys from the vendor on your own.
          </td>
        </tr>
        <tr>
          <td rowSpan={3}>Approval / certification process</td>
          <td>⚡ Instant</td>
          <td>
            No keys required, or Chift can encode their keys for you when
            requested. Activation is instantaneous.
          </td>
        </tr>
        <tr>
          <td>🟢 Approval — [Duration]</td>
          <td>
            Approval will be granted. The vendor may require information or app
            configuration in a developer portal before issuing keys.
          </td>
        </tr>
        <tr>
          <td>🟠 Approval — [Duration]</td>
          <td>
            Approval is not guaranteed — often due to integration strategy; the
            vendor may do a deeper assessment (competitors, partnership
            requirements, and similar).
          </td>
        </tr>
        <tr>
          <td rowSpan={2}>Activation time</td>
          <td>⚡ Instant</td>
          <td>
            If no keys are required, or Chift has keys ready to share with you.
          </td>
        </tr>
        <tr>
          <td>Time</td>
          <td>
            Estimated time to get the connector activated in production as a
            result of the approval or certification process (e.g. ⏱️ 2 days, 1
            week).
          </td>
        </tr>
        <tr>
          <td rowSpan={3}>Extra fees — software editor</td>
          <td>❎ No</td>
          <td>No fees charged by the software editor.</td>
        </tr>
        <tr>
          <td>💰 🕹️</td>
          <td>Fees associated with obtaining a testing account.</td>
        </tr>
        <tr>
          <td>💰 🔑</td>
          <td>Fees charged to get API keys.</td>
        </tr>
        <tr>
          <td rowSpan={2}>Extra fees — end user</td>
          <td>❎ No</td>
          <td>The end user does not pay extra to get integrated.</td>
        </tr>
        <tr>
          <td>💰 Yes</td>
          <td>The end user must pay extra to get integrated.</td>
        </tr>
        <tr>
          <td>Comments on costs</td>
          <td>—</td>
          <td>Additional notes on fees or pricing when relevant.</td>
        </tr>
        <tr>
          <td rowSpan={4}>Sandbox account</td>
          <td>✅ via Chift</td>
          <td>Chift can provide you with a sandbox.</td>
        </tr>
        <tr>
          <td>🟠 Only through integrator</td>
          <td>Only the software's integrator can provide a sandbox.</td>
        </tr>
        <tr>
          <td>✅ Self-service</td>
          <td>You can create your own sandbox.</td>
        </tr>
        <tr>
          <td>✅ Trial account</td>
          <td>It is possible to create a trial account.</td>
        </tr>
      </tbody>
    </table>
  </blockquote>;

export const ConnectorCardIframe = ({api = 'accounting', connectors}) => {
  const [theme, setTheme] = React.useState('light');
  React.useEffect(() => {
    const checkTheme = () => {
      const isDark = document.documentElement.classList.contains('dark');
      setTheme(isDark ? 'dark' : 'light');
    };
    checkTheme();
    const observer = new MutationObserver(checkTheme);
    observer.observe(document.documentElement, {
      attributes: true,
      attributeFilter: ['class']
    });
    return () => observer.disconnect();
  }, []);
  const queryParams = new URLSearchParams({
    api,
    theme,
    ...connectors ? {
      connectors
    } : {}
  });
  const iframeUrl = `https://chift-coverage-matrix.s3.eu-west-3.amazonaws.com/connector-card.html?${queryParams.toString()}`;
  return <iframe src={iframeUrl} title={`Chift connector information - ${api}`} style={{
    display: 'block',
    width: '100%',
    height: '480px',
    margin: 0,
    padding: 0,
    border: 'none'
  }} />;
};

export const CoverageIframe = ({api = 'accounting', connectors}) => {
  const [theme, setTheme] = React.useState('light');
  const [isFullscreen, setIsFullscreen] = React.useState(false);
  const [currentIframeUrl, setCurrentIframeUrl] = React.useState(null);
  const iframeRef = React.useRef(null);
  React.useEffect(() => {
    const checkTheme = () => {
      const isDark = document.documentElement.classList.contains('dark');
      setTheme(isDark ? 'dark' : 'light');
    };
    checkTheme();
    const observer = new MutationObserver(checkTheme);
    observer.observe(document.documentElement, {
      attributes: true,
      attributeFilter: ['class']
    });
    return () => observer.disconnect();
  }, []);
  React.useEffect(() => {
    const handleFullscreenChange = () => {
      setIsFullscreen(!!document.fullscreenElement);
    };
    document.addEventListener('fullscreenchange', handleFullscreenChange);
    return () => document.removeEventListener('fullscreenchange', handleFullscreenChange);
  }, []);
  React.useEffect(() => {
    const handleMessage = event => {
      if (!event.origin.includes('chift-coverage-matrix.s3.eu-west-3.amazonaws.com')) return;
      if (event.data?.type === 'urlChange' && event.data?.url) {
        setCurrentIframeUrl(event.data.url);
      }
    };
    window.addEventListener('message', handleMessage);
    return () => window.removeEventListener('message', handleMessage);
  }, []);
  const queryParams = new URLSearchParams({
    api,
    theme,
    ...connectors ? {
      connectors
    } : {}
  });
  const iframeUrl = `https://chift-coverage-matrix.s3.eu-west-3.amazonaws.com/coverage.html?${queryParams.toString()}`;
  const openUrl = currentIframeUrl || iframeUrl;
  const toggleFullscreen = () => {
    if (!document.fullscreenElement) {
      iframeRef.current?.requestFullscreen();
    } else {
      document.exitFullscreen();
    }
  };
  const isDark = theme === 'dark';
  const buttonStyle = {
    display: 'inline-flex',
    alignItems: 'center',
    gap: '8px',
    padding: '4px 12px',
    fontSize: '14px',
    fontWeight: '500',
    color: isDark ? '#d4d4d4' : '#374151',
    backgroundColor: 'transparent',
    border: `1px solid ${isDark ? '#404040' : '#e5e7eb'}`,
    borderRadius: '12px',
    cursor: 'pointer',
    textDecoration: 'none',
    transition: 'all 0.15s ease'
  };
  const hoverBg = isDark ? 'rgba(255,255,255,0.05)' : 'rgba(0,0,0,0.03)';
  const hoverBorder = isDark ? '#525252' : '#d1d5db';
  const defaultBg = 'transparent';
  const defaultBorder = isDark ? '#404040' : '#e5e7eb';
  return <>
  <div style={{
    display: 'flex',
    justifyContent: 'flex-end',
    gap: '12px',
    marginBottom: '8px'
  }}>
    <button onClick={toggleFullscreen} style={buttonStyle} onMouseEnter={e => {
    e.target.style.backgroundColor = hoverBg;
    e.target.style.borderColor = hoverBorder;
  }} onMouseLeave={e => {
    e.target.style.backgroundColor = defaultBg;
    e.target.style.borderColor = defaultBorder;
  }}>
      <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
        {isFullscreen ? <>
            <polyline points="4 14 10 14 10 20"></polyline>
            <polyline points="20 10 14 10 14 4"></polyline>
            <line x1="14" y1="10" x2="21" y2="3"></line>
            <line x1="3" y1="21" x2="10" y2="14"></line>
          </> : <>
            <polyline points="15 3 21 3 21 9"></polyline>
            <polyline points="9 21 3 21 3 15"></polyline>
            <line x1="21" y1="3" x2="14" y2="10"></line>
            <line x1="3" y1="21" x2="10" y2="14"></line>
          </>}
      </svg>
      {isFullscreen ? 'Exit Fullscreen' : 'Fullscreen'}
    </button>
    <a href={iframeUrl} target="_blank" rel="noopener noreferrer" style={buttonStyle} onMouseEnter={e => {
    e.target.style.backgroundColor = hoverBg;
    e.target.style.borderColor = hoverBorder;
  }} onMouseLeave={e => {
    e.target.style.backgroundColor = defaultBg;
    e.target.style.borderColor = defaultBorder;
  }}>
      <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
        <path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"></path>
        <polyline points="15 3 21 3 21 9"></polyline>
        <line x1="10" y1="14" x2="21" y2="3"></line>
      </svg>
      Open in new tab
    </a>
  </div>
  <iframe ref={iframeRef} src={iframeUrl} title={`Chift Coverage Matrix - ${api}`} style={{
    height: 'max(500px, 80vh)'
  }} className="w-full" allowFullScreen />
  <blockquote>
    <p>
      <strong>Matrix Legend 🧭</strong>
    </p>
    <table>
      <thead>
        <tr>
          <th>Status</th>
          <th>Meaning</th>
        </tr>
      </thead>
      <tbody>
        <tr>
          <td>✅ Implemented</td>
          <td>Endpoint is implemented and available.</td>
        </tr>
        <tr>
          <td>❌ Not supported</td>
          <td>
            Endpoint is not supported by the target software (connector
            limitation). Cannot be implemented.
          </td>
        </tr>
        <tr>
          <td>💬 On request</td>
          <td>
            Endpoint is not implemented but feasibility is validated. Can be
            implemented on request — contact your Chift point of contact to
            discuss scope and timing.
          </td>
        </tr>
        <tr>
          <td>🔎 To be analyzed</td>
          <td>
            Endpoint is not implemented and feasibility has not yet been fully
            assessed. Analysis is pending.
          </td>
        </tr>
      </tbody>
    </table>
  </blockquote>
</>;
};

export const PATCH = () => <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" color="orange">
    <path d="M3 12h2a2 2 0 1 0 0 -4h-2v8" />
    <path d="M10 16v-6a2 2 0 1 1 4 0v6" />
    <path d="M10 13h4" />
    <path d="M17 8h4" />
    <path d="M19 8v8" />
    </svg>;

export const DELETE = () => <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" color="red">
        <path d="M3 8v8h2a2 2 0 0 0 2 -2v-4a2 2 0 0 0 -2 -2h-2z" />
        <path d="M14 8h-4v8h4" />
        <path d="M10 12h2.5" />
        <path d="M17 8v8h4" />
    </svg>;

export const POST = () => <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" color="blue">
        <path d="M3 12h2a2 2 0 1 0 0 -4h-2v8" />
        <path d="M12 8a2 2 0 0 1 2 2v4a2 2 0 1 1 -4 0v-4a2 2 0 0 1 2 -2z" />
        <path d="M17 15a1 1 0 0 0 1 1h2a1 1 0 0 0 1 -1v-2a1 1 0 0 0 -1 -1h-2a1 1 0 0 1 -1 -1v-2a1 1 0 0 1 1 -1h2a1 1 0 0 1 1 1" />
    </svg>;

export const GET = () => <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" color="green">
        <path d="M7 8h-2a2 2 0 0 0 -2 2v4a2 2 0 0 0 2 2h2v-4h-1" />
        <path d="M14 8h-4v8h4" />
        <path d="M10 12h2.5" />
        <path d="M17 8h4" />
        <path d="M19 8v8" />
    </svg>;

<ConnectorCardIframe api="accounting" connectors="a3ERP" />

<Accordion title="Overview Legend 🧭">
  <OverviewLegend showTitle={false} />
</Accordion>

## Introduction

a3ERP is an enterprise resource planning (ERP) software designed for small and medium enterprises (SMEs) to manage and unify their administrative and production processes. It offers an integrated solution covering areas such as accounting, invoicing, sales, inventory, CRM, and payroll, all from a centralized platform.

## Configure a3ERP

### Prerequisites

There is no prerequisite to enable a3ERP on your Chift APP.

### Activation process

Activating the connector takes just one click — simply switch it on from the Connectors Page of your platform.

## Test a3ERP

To test the software integration, Chift can share its own sandbox account upon request.

## Connect a3ERP

* English article: [Help Center - a3ERP EN](https://help.chift.app/articles/4122991757-a3erp-prerequisites?lang=en)
* Spanish article: [Help Center - a3ERP ES](http://help.chift.app/articles/4122991757-a3erp-prerequisites?lang=es)

## Coverage

<CoverageIframe api="accounting" connectors="a3ERP" />

## Troubleshooting

### Specific errors for a3ERP:

| Error Code                                     | Error description                                                                   | Resolution                                                           |
| ---------------------------------------------- | ----------------------------------------------------------------------------------- | -------------------------------------------------------------------- |
| ERROR\_INVALID\_FIELD\_FORMAT\_INVOICE\_NUMBER | The invoice number can only contain digits.                                         | Check your invoice number format and ensure it contains only digits. |
| ERROR\_JOURNAL\_TYPE\_NOT\_SUPPORTED           | Journal entries can only be created in journals of type 'miscellaneous\_operation'. | Use a miscellaneous operation journal for journal entries.           |