If you need to test our API without using credits, you can contact us for a test API key.
You can easily identify test API keys since they’ll always start with
pdf_test_, as opposed to live API keys, which start with
The following limitations apply when using a test API key:
- All PDFs produced with a test API key will be watermarked.
- The maximum size of requests is limited to 5 MB. Similarly, the maximum size of the resulting file will be 5 MB.
- Your requests are rate limited to 10 requests per minute.
Apart from this, you’re free to use everything the API provides, as no other limitations apply.