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Official monthly price not confirmed
- API
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Assistant · Vendor site 2026-10-04
CORS Tester is a browser-based tool on cors-error.dev for checking Cross-Origin Resource Sharing behavior on an API URL. You can send configurable GET, POST, PUT, DELETE, or OPTIONS requests with custom origins, headers, credentials, and bodies, then inspect preflight and response headers against a CORS checklist.
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Pricing
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Official monthly price not confirmed
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We could not confirm a free plan for CORS-Tester.
CORS-Tester does not publish a monthly price we could confirm.
We could not confirm API access for CORS-Tester.