Web3Forms
FreemiumUntestedOur check runs without a key, so we couldn't test this one. It doesn't mean it's down.
Contact-form backend: post any HTML form to one endpoint and get submissions by email, no server code needed.
Free tier, in plain English
The free plan takes 250 form submissions a month with unlimited forms and domains; paid plans raise that to 5,000–20,000 and add file uploads, webhooks and autoresponders.