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Cloudmersive

Image captioning, face recognition, NSFW classification

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API keyHTTPSNo CORSAI

Verified 4 days ago: 100% uptime

API key

Required

HTTPS

Supported

Browser calls

No, needs a proxy

Status

Live · 100/100

What our checks found

Health score
100/100
Reliability
100%
Average latency
956ms

Last checked 2026-09-18. Measured independently, not self-reported by the provider.

How to call it

A starting template for Cloudmersive. 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://www.cloudmersive.com/ENDPOINT" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Accept: application/json"

This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.

Where this listing comes from

Aggregated from 2 public sources (public-api-lists, public-apis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.

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Cloudmersive — common questions

Answered from what our own scheduled checks found, not from the provider's marketing.

Is Cloudmersive free to use?

Cloudmersive 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 Cloudmersive need an API key?

Yes. Cloudmersive 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 Cloudmersive from browser JavaScript?

Not directly. Cloudmersive did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.

Is Cloudmersive still working?

Yes, as of 2026-09-18. Our automated check reached Cloudmersive and recorded a 100% reliability score with a median response time of 956 ms. We re-check on a schedule, and this page updates with the result.

Is Cloudmersive available over HTTPS?

Yes. Cloudmersive serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.