AtData SafeToSend

Spec sheet

Purpose

SafeToSend uses real-time activity and engagement signals to assess whether an email address is valid and valuable for marketing.Read 11 Oct 2026 · atdata.com

Intended users

The product page describes benefits for marketers seeking better email deliverability, audience segmentation, attribution, and marketing campaign performance.Read 11 Oct 2026 · atdata.com

Integrations

AtData lists integrations including ActiveCampaign, AWeber, Campaign Monitor, Constant Contact, DotDigital, GetResponse, HubSpot, Klaviyo, Mailchimp, Marketo, and Salesforce Marketing Cloud.Read 11 Oct 2026 · atdata.com

Security

AtData says submitted files are encrypted at rest with AES-256 and transfers are encrypted in transit using TLS or SFTP.Read 11 Oct 2026 · atdata.com

Support

AtData offers dedicated email address experts and lists a Help Center for support articles.Read 11 Oct 2026 · atdata.com

Headquarters

Dedham, Massachusetts, United StatesRead 28 Sep 2026 · atdata.com

Certification

The certificate states AtData LLC meets ISO/IEC 27001:2022 for client-facing services branded AtData, TowerData, and FreshAddress, excluding subsidiary Xverify.Read 11 Oct 2026 · atdata.com

Company history

AtData says it combines more than 25 years of email address technology experience and traces its roots to FreshAddress and TowerData.Read 11 Oct 2026 · atdata.com

Customer data backups

AtData says it deliberately does not back up customer data as part of its disaster recovery approach.Read 11 Oct 2026 · atdata.com

Email correction

It detects and corrects misspelled domains, extra or missing characters, and invalid domains.Read 11 Oct 2026 · atdata.com

Free access

The site invites users to create a free InstantData account, and AtData's navigation labels its InstantData link as a free trial; no trial length is stated.Read 11 Oct 2026 · atdata.com

Machine learning

AtData says SafeToSend analyzes approximately 100 billion monthly email activity signals and that clients report average unknown-rate reductions of 6%, with some reductions up to 29%.Read 11 Oct 2026 · atdata.com

Quality reports

The InstantData dashboard shows data quality summaries and appends analysis using more than 35 response codes to each email on a list.Read 11 Oct 2026 · atdata.com

Real-time API

The API validates email addresses as they are entered on web forms or collected in stores, with usage and results tracked in InstantData.Read 11 Oct 2026 · atdata.com

Threat detection

It identifies spam traps, toxic deliverable addresses, and inactive contacts that can harm deliverability.Read 11 Oct 2026 · atdata.com

Ways to submit data

Users can upload lists from a local device, via FTP, or from an email marketing platform, and can also submit files through the API.Read 11 Oct 2026 · atdata.com

Plans and prices

Every AtData SafeToSend plan and price →

Where Specifiction places it

• Email Verification Services#6 of 368.4