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Install the DocRaptor Python client
Install or upgrade the official package in the Python environment that will run your integration:
python -m pip install --upgrade docraptorKeep your API key out of source control. In a deployed application, load it from an environment variable or a secret manager rather than embedding it in the script.
Generate a PDF from inline HTML
This example follows DocRaptor’s Python client pattern. Set the DOCRAPTOR_API_KEY environment variable to your account’s API key before running it. Test mode generates a watermarked document.
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import os
import docraptor
api_key = os.environ["DOCRAPTOR_API_KEY"]
client = docraptor.DocApi()
client.api_client.configuration.username = api_key
html = """<html>
<body>
<h1>Hello from DocRaptor</h1>
<p>This PDF was generated from inline HTML.</p>
</body>
</html>"""
try:
response = client.create_doc({
"test": True,
"document_type": "pdf",
"document_content": html,
})
with open("document.pdf", "wb") as pdf_file:
pdf_file.write(bytearray(response))
except docraptor.rest.ApiException as error:
print("HTTP status:", error.status)
print("Reason:", error.reason)
print("Response body:", error.body)For a production document, set test to False or omit it according to the client’s current defaults. The test output is watermarked, so do not mistake it for an unmarked production PDF.
Choose HTML content or a source URL
For inline input, pass the HTML string in document_content. To have DocRaptor retrieve a page, pass its publicly reachable address in document_url instead. The API reference says one of these inputs is required. For PDF output, specify the document type as pdf.
response = client.create_doc({
"test": True,
"document_type": "pdf",
"document_url": "https://example.com/report",
})A URL-based request requires the document to be accessible to the service; a URL that only works inside your local network or behind an unprovided login will not serve as a usable source. The request returns PDF bytes directly in the basic synchronous flow.
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Use direct REST requests when needed
The REST endpoint is https://api.docraptor.com/docs. Direct REST integrations send a JSON POST. DocRaptor documents HTTP Basic Authentication with the API key as the username and a blank password; use that documented method rather than putting the key in a URL.
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import os
import requests
api_key = os.environ["DOCRAPTOR_API_KEY"]
response = requests.post(
"https://api.docraptor.com/docs",
auth=(api_key, ""),
json={
"type": "pdf",
"document_content": "<html><body><h1>Hello</h1></body></html>",
"test": True,
},
timeout=90,
)
if response.ok:
with open("document.pdf", "wb") as pdf_file:
pdf_file.write(response.content)
else:
print("HTTP status:", response.status_code)
print("Response body:", response.text)Check the current API reference for all request fields and options before extending a direct integration. Direct successful PDF responses are binary, so preserve them as bytes rather than decoding them as text.
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Handle output and errors safely
Write PDFs in binary mode
Use wb when writing the client response to a file. Opening the destination in text mode can corrupt the PDF. If your application returns the PDF to a caller, stream or send the bytes as a file response instead of converting them to a string.
Inspect API exceptions
The client raises docraptor.rest.ApiException for API errors. Capture its HTTP status, reason, and response body in diagnostic logs so you can distinguish authentication, request, and rendering failures. Do not log the API key or sensitive source document content.
For direct REST calls, check the HTTP status before treating the body as a PDF. DocRaptor says errors may include an XML error body. PDF responses can include an X-DocRaptor-Num-Pages header; this can help identify the number of pages returned by a successful PDF request.
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Use asynchronous generation for long jobs
DocRaptor’s Python guide documents synchronous generation up to 60 seconds and asynchronous generation up to 10 minutes. These are vendor-stated service limits, not independent guarantees; verify the current documentation before building a deadline or retry policy around them.
For a job likely to exceed the synchronous window, use the client’s create_async_doc method. The asynchronous flow returns a status identifier; use polling or a callback URL to determine when the document is ready. Keep job status handling separate from the final file download, and account for failures or delays while waiting.
Choose the document type and rendering options
PDF, XLS, and XLSX
The API reference lists PDF, XLS, and XLSX as supported document types. The examples here target PDF; choose the output type appropriate to the document you need and consult the API reference for the corresponding request and response behavior.
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PDF rendering and Pipeline versions
DocRaptor uses the Prince PDF engine. Its PDF options include Prince-specific rendering features such as mixed layouts, header placements, accessible PDF tagging, and crop marks. Many options in the API reference apply only to PDF output. DocRaptor accounts can use different Pipeline versions, which map to Prince and JavaScript versions, so verify version-specific behavior and test the rendered document with the Pipeline version your account uses.
Troubleshoot common problems
- Authentication fails: confirm that the API key is the configured username in the Python client, or the HTTP Basic Auth username for direct REST. Check that the deployed environment has the intended key and has not loaded an empty value.
- The request is rejected for missing input: provide either
document_contentordocument_url, along with the output type. - The saved file is unusable: write the client response or REST response body in binary mode, and first confirm the HTTP request succeeded rather than saving an error body as a PDF.
- The PDF has a test mark: the request was made in test mode. Test documents are watermarked; use production mode for final output.
- A request runs too long: use the asynchronous creation method for longer-running jobs and check current DocRaptor limits. Do not assume the documented windows are unchanged without verifying the service documentation.
- Layout differs across environments: check the account’s Pipeline version and the Prince-specific options in use, then validate output against the version configured for that account.
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For a website screenshot as WebP, the cURL request is:
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Frequently Asked Questions
Does the Python client return a PDF as a file or as bytes?
The synchronous client response is PDF data; write it to a file in binary mode or stream the bytes to your caller.
Can DocRaptor convert a webpage URL instead of supplied HTML?
Yes. Use the request’s document_url field instead of document_content, provided DocRaptor can access that URL.
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