Upload your list
Drop a CSV, XLSX, TSV or delimited TXT file. Select the column containing the email addresses and add an optional reference.
Identify undeliverable, disposable and risky addresses before they hurt your sender reputation. Upload a list or validate emails in real time through the API.
ListCleaner keeps the process understandable: submit your data, follow the cleaning progress and download the result set you need.
Drop a CSV, XLSX, TSV or delimited TXT file. Select the column containing the email addresses and add an optional reference.
Multiple validation layers classify syntax problems, disposable addresses, domain issues, risky mailboxes and other non-deliverable outcomes.
Retrieve all results, deliverable records or non-deliverable records while keeping the structure and supporting columns from the source file.
Each layer contributes a specific signal, producing a result your team can understand and act on.
Syntax validation checks whether an address follows the structural rules required for email. Addresses with…
Explore this check →Disposable email services issue short-lived inboxes that people can abandon immediately. ListCleaner compares domains with…
Explore this check →Spam traps are addresses used to identify poor acquisition or sending practices. ListCleaner checks submitted…
Explore this check →Complaint activity can affect sender reputation and inbox placement. This layer checks addresses against internal…
Explore this check →Mail exchanger records tell sending systems where a domain expects to receive email. ListCleaner checks…
Explore this check →Domain validation evaluates the domain portion of an address and its supporting DNS signals. It…
Explore this check →Catch-all mail systems can appear to accept any address at a domain, including addresses that…
Explore this check →Hard-bounce risk can come from nonexistent mailboxes, inactive accounts or permanent domain failures. ListCleaner combines…
Explore this check →Tor exit nodes can obscure the originating network of an account or submission. This method…
Explore this check →Choose the volume that fits today. Purchased credits stay in your account and do not expire.
For small campaigns and occasional list maintenance.
Choose starterFor growing databases and recurring campaign preparation.
Choose growthFor high-volume platforms, teams and data operations.
Choose scaleVerify one address in real time or automate complete list-cleaning workflows through the ListCleaner REST API.
Explore the API →Understand formats, credits and results before you upload.
ListCleaner supports CSV, XLSX, TSV and consistently delimited TXT files. An XLSX upload must contain exactly one worksheet.
No. Purchased cleaning credits remain available in your account until you use them.
Yes. The cleaning workflow identifies the selected email column while retaining the supporting columns and values from your source list.
Yes. The API provides a synchronous single-email verification endpoint as well as asynchronous bulk-list cleaning.
Create an account and receive 100 credits to test the workflow.