Claude Watermark Remover Developer API & SDK
A free, open, keyless REST API to scan text for hidden characters, clean or rewrite it, and strip EXIF/XMP/C2PA metadata from images. Try it live below, then grab the API.
Prefer code? Call the same API directly, one HTTPS POST, no key required:
# No SDK and no API key. Just POST.
curl -X POST https://api.claudewatermark.org/v1/text/clean \
-H "Content-Type: application/json" \
-d '{"text":"Your text here"}'No SDK required
There is nothing to install. Every capability is a plain HTTPS POST to https://api.claudewatermark.orgso you can call it from any language or platform that speaks HTTP. No API key, no auth header, nothing stored.
Clean
Strip those characters and normalize to Unicode NFC.
POST /v1/text/cleanRewrite
Paraphrase text to reduce statistical watermark signal.
POST /v1/text/rewriteGetting Started
Send a POST request and read the JSON response. No key, no setup.
curl -X POST https://api.claudewatermark.org/v1/text/clean \
-H "Content-Type: application/json" \
-d '{"text":"Your Claude-generated content here..."}'class="syn-keyword">const res = await fetch("https://api.claudewatermark.org/v1/text/clean", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ text: "Your Claude-generated content here..." })
});
console.log((await res.json()).cleaned);class="syn-keyword">import requests
r = requests.post("https://api.claudewatermark.org/v1/text/clean",
json={"text": "Your Claude-generated content here..."})
print(r.json()["cleaned"])Start Building Today
Sign up for a free API key and start removing Claude watermarks programmatically. No credit card required for the free tier. Upgrade as your usage grows with simple, predictable pricing.