Developer API Documentation

Integrate our industrial-strength image compression, format conversion, and PDF management engines directly into your applications using our high-performance HTTP REST API.

1. Authentication

To begin using the developer API, generate an API Key from your account dashboard. Authorize your HTTP requests by including the security key header:

X-API-Key: pk_live_your_secret_api_key

2. Endpoints

A. PDF Compression

POST /api/v1/pdf/compress

Upload and compress any PDF file. Returns a secure cryptographical down-scaled download URL.

  • Request Body: Multi-part Form Data containing file
  • Response: JSON object containing success, downloadUrl, and compression stats.

B. Image Conversion

POST /api/v1/image/convert

Convert uploaded image files to specified output extensions.

  • Form Parameters: file, targetFormat (e.g. png)

3. Code Example (cURL)

curl -X POST https://api.zilotools.com/v1/pdf/compress \
  -H "X-API-Key: your_api_key_here" \
  -F "file=@document.pdf"

4. Usage Limitations

  • Free Tier: Limited to 60 queries/hour.
  • Pro/Enterprise: Custom limits starting from 10,000 queries/hour.
P

PixoraTools

Senior Systems Architect & Technical Director

A seasoned software engineer and technical architect with over 15 years of experience in distributed systems, web protocols, and high-performance computing. Expert in enterprise-grade web tools and data security.

Published: May 2026Technical Review: Passed