Product · Real-time API

Verify in real time.
One call.

Drop our REST API into your signup form, checkout, or CRM. Returns a deliverability status plus signals (role, free, disposable, accept-all) — fast.

Read docs Get an API key

# POST /api/v1/verify
curl https://debounceapi.com/api/v1/verify \
  -H "Authorization: Bearer dbk_live_…" \
  -d '{"email":"[email protected]"}'

{
  "email": "[email protected]",
  "status": "deliverable",
  "sub_status": null,
  "score": 92,
  "free_email": true,
  "role": false,
  "disposable": false,
  "accept_all": false,
  "credits_remaining": 9876
}

Built for production.

Fast

Median response under 400ms. SLA-backed uptime.

Simple auth

Bearer tokens scoped per project. Rotate at any time.

Batch endpoint

Verify up to 100 emails in a single request.

Predictable pricing

One credit per email. Same packs as bulk validation.

Rich signals

Status, score, free, role, disposable, accept-all, did-you-mean.

Any language

Works with curl, Node, Python, PHP, Go, Ruby — anything that speaks HTTP.

Start verifying in under 2 minutes.

Get started free Read the docs

Verify in real time.One call.