Emaillistverify
email 12 tools availableEmailListVerify is a service that provides email verification and validation to ensure email lists are clean and deliverable.
About this integration
Connect Emaillistverify to Definable to triage inboxes, draft and queue follow-ups, classify and route incoming threads. Personas call Emaillistverify's 12 tools directly from chat or scheduled flows. Hand off to an email persona to triage, draft, and route — with you in the loop on every outbound.
Connect Emaillistverify to Definable and it becomes a set of typed tools your agents plan with — triggered by events, run on schedules, or invoked mid-conversation. Every write is checked by the verifier before it lands.
Emaillistverify · in workflows
What teams actually run.
Three patterns teams run with Emaillistverify on day one. Each one is a plain-English prompt — no canvas, no glue code — and you can remix them into anything.
Auto-follow-up
Lead capture
12 tools available
The Emaillistverify toolbox.
Every Emaillistverify capability your agents can call, each with a typed schema the planner reads. The router picks the right tool per step; the verifier checks the result.
Check Blacklists Tool to check an IP address (IPv4/IPv6) or domain against multiple DNS-based blacklists (DNSBLs) for spam or malicious activity. Use when you need to verify the reputation of an IP or domain. Rate limit: 10 requests/second.
Check Disposable Domain Tool to verify if an email domain is associated with temporary/disposable email addresses. Includes DNS record verification. Use when you need to validate if a domain is disposable before accepting email registrations.
Delete Maillist Tool to delete a finished email list. Use when you need to remove a completed verification list. Only lists that have completed verification can be deleted.
Download Email List Tool to download a finished email list with verification results. Supports customizable columns (firstName, lastName, gender, result, etc.) and file format (csv/xlsx). Rate limit: 5 requests/second.
Find Contact Email Tool to search for a contact's business email address by name and company domain. Returns possible emails with confidence levels (high/medium/low/unknown). Rate limit: 5 requests/second. Credits: 5 (with name) or 10 (domain only).
Get API File Info Tool to retrieve progress of an uploaded email list verification. Returns status (errored/waiting/progress/finished) with download URLs when complete.
Get Credits Tool to retrieve details about available on-demand and subscription credits. Use when you need to check credit balance before performing verifications. On-demand credits never expire, subscription credits are refreshed daily. Rate limit: 10 requests/second.
Get Email Job Status Tool to get the status of an asynchronous email verification job. Use when you need to check if a verification job has completed and retrieve its results. Rate limit: 100 requests per second.
Get Maillist Progress Tool to retrieve real-time progress updates for an uploaded email list verification. Shows status, completion percentage, and credit usage. Rate limit: 100 requests/second.
Upload Email List Tool to upload an email list file for bulk verification. Accepts .csv, .txt, or .xlsx files (max 100MB, 1M rows). Returns an ID to query verification progress. Rate limit: 5 requests/second.
Verify Single Email Tool to verify email deliverability status of a single email address. Returns a plain text status representing deliverability. Rate limit: 10 requests/second. Credits required: 1.
Verify Single Email Detailed Tool to verify email deliverability with detailed metadata including MX server info, ESP, first/last name estimation, gender, and role detection. Use when you need comprehensive email validation beyond basic deliverability. Rate limit: 10 requests/second, requires 1 credit per verification.
See it run
One prompt, start to finish.
A real prompt, the Emaillistverify tools it calls, and what comes back. This is the whole interface — describe the outcome, agents handle the rest.
Run a real Emaillistverify task end-to-end — plan it, execute across the API, and hand back a verified result.
emaillistverify.check_blacklists Tool to check an IP address (IPv4/IPv6) or domain against multiple DNS-based blacklists (D emaillistverify.check_disposable_domain Tool to verify if an email domain is associated with temporary/disposable email addresses. emaillistverify.delete_maillist Tool to delete a finished email list. Use when you need to remove a completed verification · verified Done. Emaillistverify responded across 3 calls, the verifier signed off, and the result is logged with every payload.
FAQ · Emaillistverify
Questions, answered.
What teams ask before connecting Emaillistverify.
01 What can I automate with Emaillistverify on Definable?
Anything Emaillistverify exposes through its API. Common email workflows on Definable include triage inboxes, draft and queue follow-ups, classify and route incoming threads. Personas can call any of the 12 Emaillistverify tools directly, then chain the result into another integration without you writing code.
02 How does Emaillistverify authentication work?
Emaillistverify uses API_KEY on Definable. You connect once from the integrations page, scoped to the permissions you choose, and from then on any persona that has the integration enabled can act on your behalf. Tokens are encrypted at rest and rotated automatically.
03 Is the Emaillistverify integration included in my Definable plan?
Yes — every Definable plan, including Starter, includes access to all 12 Emaillistverify tools. You only need a separate Emaillistverify subscription if Emaillistverify itself charges per seat or per API call.
04 Is using Emaillistverify through Definable secure?
Every call from a persona to Emaillistverify is logged with the user, persona, prompt, and response. Tokens never leave Definable's secrets vault, scopes are configurable per persona, and you can revoke access at any time from the integration page.
05 How do I get started with Emaillistverify on Definable?
Sign up for Definable, open the integrations page, find Emaillistverify, and connect via OAuth or API key. You can immediately attach Emaillistverify to any persona and start running workflows. The free Starter plan includes 5,000 credits/month.
06 What Emaillistverify actions does Definable expose?
Definable exposes all 12 Emaillistverify actions as callable tools — including `Check Blacklists`, `Check Disposable Domain`, `Delete Maillist`, plus 9 more. Each tool gets a typed parameter schema so personas know exactly how to call it.
Put Emaillistverify to work tonight.
Connect in two clicks, describe an outcome, and your first workflow is live in minutes. Free plan included — no card required.