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You can automate website-to-PDF conversion with CloudConvert’s API by creating a capture-website task for each URL and an export/url task for each resulting PDF. CloudConvert’s documented example shows one URL per capture task; building a multi-URL job from repeated task pairs is an implementation approach inferred from its named-task job model, not a documented bulk-conversion feature or guaranteed batch size.
What CloudConvert documents for website-to-PDF conversion
CloudConvert’s Capture Website documentation describes the operation as: “Convert a website to PDF or capture a screenshot of a website (PNG, JPG).” The documented workflow sends a job to POST https://api.cloudconvert.com/v2/jobs, with a capture-website task that specifies a URL and output format, followed by an export/url task that takes the capture result as input. See CloudConvert’s Capture Website documentation.
The official example is for one URL. The Jobs API uses named tasks, so repeating a capture-and-export pair for each URL is a reasonable design to investigate for a batch, but the reviewed documentation does not establish a dedicated bulk-URL interface, maximum task count, or batch-size limit. Confirm current API and account constraints before relying on a large job. See the Jobs API reference.
Convert one URL with the documented API pattern
For a single page, create a capture task and export its output. The example below shows the job shape; it is a template, not a claim that this specific request has been run. Replace YOUR_API_KEY and the page URL, and send the JSON to the jobs endpoint with your preferred HTTP client.
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POST https://api.cloudconvert.com/v2/jobs
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json
{
"tasks": {
"capture_page": {
"operation": "capture-website",
"url": "https://example.com",
"output_format": "pdf"
},
"export_page": {
"operation": "export/url",
"input": "capture_page"
}
}
}CloudConvert’s operation page provides official CLI and SDK examples and a Job Builder if you want to adapt the request to a supported client library. The capture operation requires the target URL and output format; export/url exposes the generated output through a download URL.
How to adapt the job for multiple URLs
For a batch-oriented API implementation, construct one uniquely named capture task per URL and one export task referencing each capture task. This follows the documented per-task URL field and named-task job model; it is not a published CloudConvert bulk endpoint or a verified payload. The documentation reviewed here does not settle how many tasks a job may contain or guarantee concurrency behavior.
{
"tasks": {
"capture_1": {
"operation": "capture-website",
"url": "https://example.com/page-one",
"output_format": "pdf"
},
"export_1": {
"operation": "export/url",
"input": "capture_1"
},
"capture_2": {
"operation": "capture-website",
"url": "https://example.com/page-two",
"output_format": "pdf"
},
"export_2": {
"operation": "export/url",
"input": "capture_2"
}
}
}Before scaling this pattern, validate it against the current API reference, your account’s constraints, and a small representative job. Give each task a unique name, retain the relationship between each input URL and its export result in your own application, and decide how to handle a job or individual task that reports an error. The cited pages do not specify a batch naming convention, task limit, or retry policy.
Choose rendering controls for the pages you need
CloudConvert describes its HTML-to-PDF API as based on headless Chrome and says it accepts a URL or HTML. Its product page lists options for waiting until a CSS selector appears, sending custom authorization headers for protected URLs, and adjusting PDF page size, margins, zoom, headers, and footers. These are vendor-documented capabilities, not independent fidelity tests. Details are on CloudConvert’s HTML-to-PDF API page.
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Wait for content and access protected pages
If a page renders content after initial navigation, CloudConvert documents waiting for a CSS selector to appear. For a URL that requires authentication, its product page lists custom authorization headers. Check the target site’s access requirements and ensure you are authorized to automate access; the cited documentation does not guarantee that every login flow or dynamically rendered page will work.
Set PDF layout and headers or footers
The API product page lists page size, margins, zoom, and header/footer controls. The capture-operation documentation explains that headers and footers can use template files supplied through import tasks, with display_header_footer set to true and sufficient top or bottom margin space. Documented template classes include date, title, url, pageNumber, and totalPages. See the operation reference for the supported request details.
Track completion and retrieve the PDFs
CloudConvert jobs may run asynchronously. Its quickstart recommends webhooks to notify your application when a job completes; alternatively, you can query the job endpoint while waiting. The quickstart says export URLs are valid for 24 hours, so download the files or route output to a configured storage destination such as S3 or Azure rather than treating those temporary links as permanent. See CloudConvert’s API quickstart.
Do not confuse export-link lifetime with job retention: the Jobs API reference says jobs are automatically deleted 24 hours after they have ended. The reference lists states including waiting, processing, finished, and error. Your integration should distinguish successful completion from an error and persist downloaded files and any metadata needed after CloudConvert removes the job.
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Pricing and operational planning
CloudConvert’s HTML-to-PDF API page displays a starting price of $0.008 per file and directs users to full pricing information and a calculator. Treat that as a displayed starting figure, not a guaranteed quote for your plan, volume, or purchase date. Check the current pricing page or calculator before estimating batch costs: CloudConvert HTML-to-PDF API.
- Convenience: a manual conversion may suit an occasional page; API jobs are the documented route for application-driven automation.
- Completion handling: use a webhook when you want notification rather than repeatedly checking status; polling is an alternative described in the quickstart.
- Output handling: export URLs are temporary, while configured storage can suit workflows that need durable file handling.
- Rendering needs: account for selector waits, authorization headers, and layout controls when pages require them; validate output on your own representative pages.
Troubleshooting common problems
The API request is rejected
Check that the request targets POST https://api.cloudconvert.com/v2/jobs, includes valid authentication and JSON, and uses the operation and task fields shown in the current Capture Website reference. The cited pages do not provide a complete error-code catalog, so use the API response and current reference to identify account- or request-specific constraints.
A page produces an incomplete or unexpected PDF
CloudConvert lists CSS-selector waiting and PDF layout controls, but does not promise identical results for every site. Check whether the page needs more time or authentication, whether the selected element is present, and whether margins, zoom, or page settings affect the result. Compare a small output with the source page before submitting a larger batch.
A job does not finish successfully
Inspect the job and task status rather than assuming that a submitted job completed. The Jobs reference includes waiting, processing, finished, and error states. Use a webhook or query the job endpoint as described in the quickstart, then handle errors explicitly in your application.
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The quickstart states that export URLs are valid for 24 hours. Retrieve output promptly or configure a storage destination; do not use an expired link as your archive.
A proposed batch is too large or behaves differently than expected
The reviewed documentation does not publish a task-count ceiling, batch limit, or concurrency guarantee for repeated capture tasks. Start with a small job and check current account/API constraints before increasing its size. If independent job management is more suitable, design around the documented job model and verify any operational limits with CloudConvert.
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For example, request a PDF by adding the output format parameter to the API call:
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-d access_key=YOUR_API_KEY
--data-urlencode url=https://example.com
-d format=pdf
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Frequently Asked Questions
Does CloudConvert document a no-code bulk URL converter?
The cited Capture Website and Jobs documentation shows API tasks and a one-URL example; it does not establish a dedicated no-code bulk-URL interface.
Can I use this approach to make one PDF containing several web pages?
The documented pattern produces an exported result for each capture task. The cited material does not describe combining multiple captured URLs into one PDF.
Quick Recap
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