Check a domain's SPF, DKIM, DMARC and MX with a graded shareable report.
AGPC Domain Check API is a free Email API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.

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Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Yes. The AGPC Domain Check API is listed in the Email category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
No. The AGPC Domain Check API requires no authentication, so you can start making requests without signing up.
Yes. The AGPC Domain Check API supports CORS, so front-end JavaScript can call it directly.
Yes. The AGPC Domain Check API is served over HTTPS, so it's safe to use in production.