Free Tier
500
Included at no cost for testing integrations, smaller sites, and early automation flows.
500 free compressions every month
Works well for testing and lower-volume jobs
Supports images up to 10MB each
API Credit Model for Integration
API Image Compression for Backends, CMS, and Automation Flows
Use SmartPNG through API calls, start with 500 free compressions every month, then scale with credit-based usage when your volume grows.
Pricing Calculator
🇺🇸USD
$5.00
Estimate monthly spend, choose a currency, and continue with the credit volume that fits your workload.
1 x 1000 compressions$5.00 each
Total$5.00
Read the full API docs
You can find detailed information about Authentication, request bodies, response formats, error codes, and cURL examples.
Built for integration-heavy teams
One API model for custom backends, WordPress plugins, and recurring media optimization workflows.
Backend Teams
Add compression to upload handlers, workers, and media-processing services.
WordPress Plugins
Run optimization behind admin flows and automate media compression through credits.
Platform Builders
Compress marketplace, SaaS, and dashboard assets inside existing infrastructure.
Agencies
Manage recurring image workloads across multiple sites and client environments.
Custom Volume
Get a Quote
Reach out if you need higher monthly volume, procurement help, or a custom agreement for client and platform workloads.
Custom pricing for higher monthly usage
Help with procurement and billing setup
Suitable for agencies and larger platforms
FAQ
Quick answers about the free API tier, paid credits, and integration setup.
Who should use the free API tier?
It is best for evaluating the API, building the first integration, or handling lighter monthly compression volume.
How are paid credits priced?
Credits are billed in packs of 1000 compressions, and the total changes based on your selected currency and monthly volume.
Can I use SmartPNG with WordPress or another CMS?
Yes. The API credit model is designed to fit CMS plugins, backend upload flows, and automation pipelines.
Where can I find request and response examples?
The full API reference is available on the SmartPNG docs page. Open docs.smartpng.com