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No keyCORSHTTPS
UpRes
AI image upscaling to 8K with 18 models (Real-ESRGAN, SeedVR2, AuraSR)
Verified 4 days ago: 100% uptime
API key
Required
HTTPS
Supported
Browser calls
Yes, CORS enabled
Status
Live · 100/100
What our checks found
- Health score
- 100/100
- Reliability
- 100%
- Average latency
- 421ms
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
How to call it
A starting template for UpRes. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# Requires an API key. Check the docs for whether it goes in a header or a query parameter.
curl -s "https://upres.ai/ENDPOINT" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Accept: application/json"Where this listing comes from
Aggregated from one public source (public-apis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
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UpRes — common questions
Answered from what our own scheduled checks found, not from the provider's marketing.
Is UpRes free to use?
UpRes is listed in our free catalogue, but it requires an API key, so you will need to register before your first call. Providers frequently reserve higher limits and commercial use for paid plans.
Does UpRes need an API key?
Yes. UpRes authenticates with an API key. Keep it server-side rather than in browser code, because anything in your frontend bundle is readable by anyone who opens developer tools.
Can I call UpRes from browser JavaScript?
Yes. UpRes returned CORS headers when we checked it, so a browser will let your page read the response. You can fetch it directly from client-side JavaScript with no proxy and no backend.
Is UpRes still working?
Yes, as of 2026-09-18. Our automated check reached UpRes and recorded a 100% reliability score with a median response time of 421 ms. We re-check on a schedule, and this page updates with the result.
Is UpRes available over HTTPS?
Yes. UpRes serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.