PDF compression, image optimization and JSON to Excel, paid per call from prepaid credit. When a PDF cannot get any smaller, you get your original back and the bill reads $0.00.
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POST /v1/pdf/compress
A real run against the live API, not a projection.
Same call, same contract. Nothing to pay for.
No chargeOne auth header and one request shape across all three. Every response states what the job did and what it cost.
Shrinks a PDF by resampling each image to the size it is shown at on the page.
POST /v1/pdf/compress
59 pages, 27.2 MB down to 5.1 MB in about 11 seconds.
$0.02 up to 25 MB
$0.04 up to 200 MB
Resize and convert phone photos to JPEG, WebP or PNG, one at a time or 250 per batch.
POST /v1/image/optimizePOST /v1/image/batch
A batch of 250 images finished in 23 seconds for $0.20.
$0.0008 per image, single or batch
5,000 rows by 18 columns is 90,000 cells, which comes to $0.0068.
$0.005 per file
plus $0.00002 per 1,000 cells
No SDK. Send a URL to the file; large jobs run in the background and report to your webhook. The result carries its own arithmetic, so you can check the charge against the work.
curl https://api.justapi.tech/v1/pdf/compress \
-H "Authorization: Bearer JUSTAPI_KEY" \
-H "Idempotency-Key: report-2291" \
-H "Content-Type: application/json" \
-d '{
"source": { "url": "https://example.com/report.pdf" },
"options": { "profile": "auto" },
"webhook": { "url": "https://example.com/hooks/pdf-done" }
}'An Idempotency-Key means a retried workflow never pays twice for the same job.
{
"status": "completed",
"stats": {
"original_bytes": 27200000,
"output_bytes": 5100000,
"ratio": 0.81,
"pages": 59
},
"billing": {
"charged_micros": 40000
}
}Trimmed to the fields that matter, with sizes rounded from the measured 59-page run. charged_micros counts millionths of a dollar: 40,000 is $0.04.
A charge has to be explainable. If the work did not happen, or did not help, there is nothing to explain.
The PDF could not be made smaller. You get your original file back.
$0.00The optimized image came out no smaller than the source. It is still returned.
$0.00An image in a batch failed. You pay for the ones that succeeded.
$0.00Your request was invalid. Any 4xx.
$0.00Something broke on our side. Any 5xx.
$0.00Type in a month of work. The prices are the published ones: $0.02 or $0.04 per PDF, $0.0008 per image, $0.005 per spreadsheet.
Calculated in your browser from the published price list. Calls that fail or do not help bring this down, never up.
Self-serve sign-up and card payment are not open yet. Tell us what you need to process and roughly how much, and we will issue a key by hand at the published prices. With a key you can sign in to the console.