Automate PDF Generation and Document Workflows with PDFGate and viaSocket

Demetra Theodorou · Jul 21, 2026

Connect PDFGate with thousands of applications through viaSocket to automate PDF generation, document processing, delivery, and digital-signature workflows.

PDFGate is now available on viaSocket, a no-code workflow automation platform that connects thousands of apps. The integration lets you generate documents, process existing PDFs, and send files out for digital signing directly inside an automated workflow, with no custom code. Pick a trigger from any connected app, add a PDFGate action, and each document is created and delivered on its own.

Key takeaways

Add PDFGate as an action in any viaSocket workflow, with no custom backend or code.
Any trigger can start it: a new order or payment, a form submission, a CRM record, a schedule, or a webhook.
One integration covers generating PDFs, processing existing documents, and reacting to digital-signature envelope events.

How the integration works

Every viaSocket workflow is a trigger followed by one or more actions. PDFGate slots into the action step: the trigger supplies the data, PDFGate turns it into a finished PDF from your HTML or a live URL (the same web page to PDF conversion that powers the API), and later steps store or deliver the result.

What You Can Automate

A single action can slot into almost any workflow. A few common ones:

Invoices: when an order or payment record is created, turn the data into a branded PDF. See automating invoice generation with HTML to PDF for the full pattern.
Reports: pull data from a CRM, spreadsheet, or form and turn it into a downloadable PDF.
Storage and delivery: once a document is generated, save it to cloud storage or send it by email automatically.
Post-signing steps: react to Envelope Sent, Envelope Completed, or Envelope Document Completed to update a record or notify a team.

Example: Generating an Invoice

Here’s a real workflow: an HTML invoice template is turned into a PDF using the Create PDF from URL HTML action, configured with an HTML content source and a standard A4 page size.

viaSocket workflow configured with the Create PDF from URL HTML action

The HTML below is the exact template behind that action. It’s plain markup and inline CSS, with no external assets:

1<!DOCTYPE html>2<html lang="en">3<head>4  <meta charset="UTF-8" />5  <meta name="viewport" content="width=device-width, initial-scale=1.0" />67  <title>Invoice INV-2026-0142</title>89  <style>10    * {11      box-sizing: border-box;12    }1314    body {15      margin: 0;16      background: #f4f6f8;17      color: #172033;18      font-family: Arial, Helvetica, sans-serif;19      font-size: 14px;20      line-height: 1.5;21    }2223    .invoice {24      width: 100%;25      max-width: 1000px;26      margin: 0 auto;27      background: #ffffff;28      border-radius: 16px;29      overflow: hidden;30      box-shadow: 0 12px 35px rgba(25, 35, 58, 0.08);31    }3233    .header {34      padding: 42px 48px;35      background: #132238;36      color: #ffffff;37    }3839    .header-table,40    .details-table,41    .summary-table,42    .footer-table {43      width: 100%;44      border-collapse: collapse;45    }4647    .logo {48      font-size: 26px;49      font-weight: 700;50      letter-spacing: -0.6px;51    }5253    .invoice-label {54      text-align: right;55    }5657    .invoice-label h1 {58      margin: 0 0 4px;59      font-size: 32px;60      font-weight: 700;61      letter-spacing: 1px;62    }6364    .invoice-label p {65      margin: 0;66      color: #c9d2df;67      font-size: 13px;68    }6970    .content {71      padding: 42px 48px 48px;72    }73    .status-row {74      margin-bottom: 34px;75    }7677    .status {78      display: inline-block;79      padding: 7px 12px;80      background: #eaf8f0;81      color: #18794e;82      border-radius: 999px;83      font-size: 12px;84      font-weight: 700;85      letter-spacing: 0.4px;86      text-transform: uppercase;87    }8889    .details-table {90      margin-bottom: 38px;91    }9293    .details-table td {94      width: 50%;95      vertical-align: top;96    }9798    .details-table td:last-child {99      padding-left: 48px;100    }101102    .section-title {103      margin: 0 0 10px;104      color: #788397;105      font-size: 11px;106      font-weight: 700;107      letter-spacing: 1.2px;108      text-transform: uppercase;109    }110111    .company-name {112      margin: 0 0 6px;113      color: #172033;114      font-size: 18px;115      font-weight: 700;116    }117118    .muted {119      color: #667085;120    }121122    .meta {123      width: 100%;124      margin-bottom: 38px;125      border-collapse: collapse;126      border: 1px solid #e5e9ef;127      border-radius: 10px;128    }129130    .meta td {131      width: 25%;132      padding: 16px 18px;133      border-right: 1px solid #e5e9ef;134      vertical-align: top;135    }136137    .meta td:last-child {138      border-right: 0;139    }140141    .meta-label {142      display: block;143      margin-bottom: 5px;144      color: #8a94a6;145      font-size: 11px;146      font-weight: 700;147      letter-spacing: 0.7px;148      text-transform: uppercase;149    }150151    .meta-value {152      color: #172033;153      font-weight: 700;154    }155156    .items {157      width: 100%;158      margin-bottom: 30px;159      border-collapse: collapse;160    }161162    .items thead th {163      padding: 13px 12px;164      background: #f5f7fa;165      color: #596579;166      border-bottom: 1px solid #e2e7ee;167      font-size: 11px;168      letter-spacing: 0.7px;169      text-align: left;170      text-transform: uppercase;171    }172173    .items tbody td {174      padding: 18px 12px;175      border-bottom: 1px solid #edf0f4;176      vertical-align: top;177    }178179    .items th:first-child,180    .items td:first-child {181      padding-left: 18px;182    }183184    .items th:last-child,185    .items td:last-child {186      padding-right: 18px;187    }188189    .items .number {190      text-align: right;191      white-space: nowrap;192    }193194    .item-name {195      color: #172033;196      font-weight: 700;197    }198199    .item-description {200      margin-top: 4px;201      color: #7b8495;202      font-size: 12px;203    }204205    .summary-wrapper {206      width: 100%;207      margin-top: 12px;208    }209210    .summary-spacer {211      width: 53%;212    }213214    .summary-cell {215      width: 47%;216      padding-left: 32px;217    }218219    .summary-table td {220      padding: 8px 0;221    }222223    .summary-table td:last-child {224      text-align: right;225      font-weight: 700;226    }227228    .summary-table .total-row td {229      padding-top: 14px;230      border-top: 2px solid #172033;231      color: #172033;232      font-size: 18px;233      font-weight: 700;234    }235236    .notes {237      margin-top: 42px;238      padding: 20px 22px;239      background: #f7f9fc;240      border-left: 4px solid #132238;241      border-radius: 8px;242    }243244    .notes h3 {245      margin: 0 0 7px;246      font-size: 13px;247    }248249    .notes p {250      margin: 0;251      color: #657084;252      font-size: 12px;253    }254255    .footer {256      padding: 24px 48px 30px;257      border-top: 1px solid #e8ecf1;258      color: #80899a;259      font-size: 11px;260    }261262    .footer td:last-child {263      text-align: right;264    }265266    @media print {267      body {268        padding: 0;269        background: #ffffff;270      }271272      .invoice {273        max-width: none;274        border-radius: 0;275        box-shadow: none;276      }277    }278  </style>279</head>280281<body>282  <div class="invoice">283    <header class="header">284      <table class="header-table">285        <tr>286          <td>287            <div class="logo">288              PDFGate289            </div>290          </td>291292          <td class="invoice-label">293            <h1>INVOICE</h1>294            <p>INV-2026-0142</p>295          </td>296        </tr>297      </table>298    </header>299300    <main class="content">301      <div class="status-row">302        <span class="status">Payment due</span>303      </div>304305      <table class="details-table">306        <tr>307          <td>308            <p class="section-title">From</p>309            <p class="company-name">PDFGate</p>310            <div class="muted">311              12 Technology Avenue<br />312              Limassol, Cyprus<br />313              [email protected]<br />314              VAT: CY12345678A315            </div>316          </td>317318          <td>319            <p class="section-title">Bill to</p>320            <p class="company-name">Acme Technologies Ltd</p>321            <div class="muted">322              Attn: Finance Department<br />323              88 Market Street<br />324              London, United Kingdom<br />325              [email protected]326            </div>327          </td>328        </tr>329      </table>330331      <table class="meta">332        <tr>333          <td>334            <span class="meta-label">Invoice number</span>335            <span class="meta-value">INV-2026-0142</span>336          </td>337338          <td>339            <span class="meta-label">Issue date</span>340            <span class="meta-value">21 July 2026</span>341          </td>342343          <td>344            <span class="meta-label">Due date</span>345            <span class="meta-value">4 August 2026</span>346          </td>347348          <td>349            <span class="meta-label">Currency</span>350            <span class="meta-value">EUR</span>351          </td>352        </tr>353      </table>354355      <table class="items">356        <thead>357          <tr>358            <th>Description</th>359            <th class="number">Quantity</th>360            <th class="number">Unit price</th>361            <th class="number">Amount</th>362          </tr>363        </thead>364365        <tbody>366          <tr>367            <td>368              <div class="item-name">Document Automation Platform</div>369              <div class="item-description">370                Monthly subscription including PDF generation, processing,371                dashboard access, and API usage.372              </div>373            </td>374            <td class="number">1</td>375            <td class="number">€150.00</td>376            <td class="number">€150.00</td>377          </tr>378379        </tbody>380      </table>381382      <table class="summary-wrapper">383        <tr>384          <td class="summary-spacer"></td>385386          <td class="summary-cell">387            <table class="summary-table">388              <tr>389                <td class="muted">Subtotal</td>390                <td>€150.00</td>391              </tr>392393              <tr>394                <td class="muted">VAT 19%</td>395                <td>€28.50</td>396              </tr>397398              <tr class="total-row">399                <td>Total due</td>400                <td>€178.50</td>401              </tr>402            </table>403          </td>404        </tr>405      </table>406407      <section class="notes">408        <h3>Payment information</h3>409        <p>410          Please include invoice number INV-2026-0142 with your payment.411          Payment is due within 14 days of the issue date.412        </p>413      </section>414    </main>415416    <footer class="footer">417      <table class="footer-table">418        <tr>419          <td>Thank you for your business.</td>420          <td>pdfgate.com</td>421        </tr>422      </table>423    </footer>424  </div>425</body>426</html>

Running that HTML through the action returns this PDF:

PDF invoice generated by PDFGate from the HTML template

Getting Started

Create or sign in to your PDFGate account and generate an API key from the dashboard.
Open viaSocket and add the integration to a workflow.
Pick a trigger, such as a new order, a form submission, or a schedule.
Add the Create PDF from URL HTML action, connect your account, and map in the HTML.
Test the run, then activate the workflow.

Frequently asked questions

Do I need to write code to use PDFGate with viaSocket?

No. viaSocket is a no-code workflow platform. You add the PDFGate action to a workflow, connect it with your API key, and map in your data. There is no custom backend to build or maintain for each use case.

What can trigger a PDF workflow?

Any viaSocket trigger. Common ones are a new order or payment, a form submission, a new or updated CRM record, a schedule, or an incoming webhook from another connected app. The trigger supplies the data that PDFGate turns into a document.

Can I process or sign existing PDFs, not just generate them?

Yes. Beyond generating a PDF from HTML or a URL, PDFGate covers processing existing documents and sending them out for digital signature, and your workflow can react to envelope events such as Envelope Sent, Envelope Completed, and Envelope Document Completed.

How do I get a PDFGate API key?

Create or sign in to your PDFGate account and generate an API key from the dashboard, then connect that key when you add the PDFGate action inside viaSocket.

What page sizes and options does the Create PDF action support?

The action accepts standard page sizes such as A4 and Letter, or a custom page size of your own dimensions, plus options like margins, orientation, and repeating headers and footers, so the generated PDF matches the format you need.

Conclusion

One action, connected to whatever already triggers your workflows, covers invoices, reports, delivery, and the steps that follow a signature, without a custom backend integration for each one.

Explore the integration on viaSocket

Create a PDFGate account