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What is Cleanlist AI?

Cleanlist AI is a B2B data enrichment platform that uses waterfall enrichment to query 25+ data providers per lookup and return verified contact data: 98% verified work emails and 85% phone numbers on a stratified 500-lead benchmark. Sales, marketing and RevOps teams use it to build lead lists and keep CRM records accurate.

  • 25+Data providers per lookup
  • 98%Verified work email
  • 85%Phone numbers
  • 500Leads in the accuracy benchmark

10,000+ users, from founders to full sales teams

  • Switched fromZoomInfo
  • Case study
  • HackerOneSwitched fromApollo
  • Switched fromClay
  • Case study
  • Sumo LogicSwitched fromClay
  • Switched fromApollo
  • Case study
  • Switched fromZoomInfo
  • Switched fromZoomInfo

How Cleanlist AI works

Cleanlist AI uses waterfall enrichment: it asks data providers for a contact one after another. If Provider A has no deliverable result, Cleanlist AI asks Provider B, then C, and so on through 25+ sources, and stops at the first deliverable result. Only that result is billed.

Single-source tools like ZoomInfo or Apollo check one proprietary database, so whatever that database is missing comes back empty. Waterfall enrichment reaches 85-95% field coverage, against 50-70% from single-source providers.

Marcus ValeVP of Sales · Omni
  1. Attempt 01Work emailNo deliverable email
  2. Attempt 02Work emailNo deliverable email
  3. Attempt 03Work emailNo deliverable email
  4. Attempt 04Work emailVerified

Agents that run your GTM. Describe your buyer, get back a worked list.

Clu drives the whole thing: agents research and qualify, the waterfall finds the contact, triggers repeat the work and sequences start the conversation.

  1. 01

    Clu. Tell Clu who you sell to.

    Ask in plain words, in the app or in Slack. Clu plans the work, runs each step and asks you before anything costs credits.

    More on Clu
  2. 02

    Agents. Agents research and qualify every lead.

    The research agent reads a lead's company, news and hiring signals. The qualification agent gives a fit score from 0 to 100 with reasons, checks your CRM for duplicates and flags disqualifiers. 5 credits a lead.

    More on agents
  3. 03

    Waterfall. The waterfall finds the email and the phone number.

    One lookup walks 25+ providers in order and stops at the first deliverable result. A verified work email is 1 credit, a phone number is 10, and a missed email or phone number costs nothing.

    More on waterfall
  4. 04

    Triggers. Agents run the motion on a schedule.

    A trigger starts the run. The agent qualifies, enriches, syncs to your CRM and posts to Slack, on the schedule you set, with nobody pressing run.

    More on triggers
  5. 05

    Sequences. Qualified leads start a sequence.

    Email, LinkedIn and call steps in one flow, sent from your own mailbox and LinkedIn account. A reply stops the sequence for that lead.

    More on sequences

Core products

  • Waterfall Enrichment

    Cleanlist AI asks 25+ data providers in turn for a verified work email, phone number, current job title, company firmographics and LinkedIn profile. Every email is checked three ways (syntax, DNS/MX, SMTP handshake). Learn more

  • Email Verification

    Verify one address or a whole file. Cleanlist AI checks syntax, domain and MX records and the SMTP mailbox, and flags catch-all domains and disposable addresses, which keeps bounce rates under 2%. Learn more

  • ICP Scoring

    Score every lead against your ideal customer profile on firmographic and contact data, and add AI columns for the signals the filters don't cover. Reps work the best fits first. Learn more

  • Agents

    Agents clean up the fields your CRM gets wrong. They normalize job titles, standardize company names, pull out seniority and put each company in an industry. Learn more

  • People Search

    Search for people by company size, industry, job title, seniority and location, then build a targeted lead list from the result. Cleanlist AI owns no contact database, so every search runs live against its data providers. Learn more

  • REST API and MCP server

    You can also drive all of this from code. The REST API runs structured people and company search and bills enrichment per result. The MCP server exposes the same surface to AI agents, so Claude can run a search and enrich the result without leaving the chat.

Pricing

Cleanlist AI prices per seat, and every seat adds its credits to one shared team wallet. A verified work email is 1 credit, a phone number is 10, both together are 11, validation is 0.5 and AI qualification is 5. A lookup that finds nothing costs nothing, and unused credits roll over.

Monthly list price. Annual billing is 25% off, and Enterprise is priced to your volume. Every new workspace starts with 14 days of Pro, free: 250 credits, 3 seats, agents, Sequences and Clu in Slack.
PlanPriceCredits/monthBest for
Free$0/mo50 per workspaceTesting and evaluation
Starter$49/seat/mo750 per seatIndividual SDRs
Pro$89/seat/mo1,500 per seatSmall sales teams
EnterpriseCustomCustomGrowth teams

See full pricing

Integrations

Cleanlist AI writes enriched records into two CRMs and adds people to two sending tools.

  • → CRM sync

    • HubSpot
    • Salesforce

    Enriched fields land on the CRM record, and CRM records come back into Cleanlist AI through imports, lookups and agent triggers.

  • → One-way out, sending tools

    • Salesloft
    • Lemlist

    Agents add enriched, verified people to the Lemlist campaigns and Salesloft cadences you already run.

Anything else connects through the REST API, the MCP server, or CSV import and export. The v2 API is poll-based and has no webhooks.

Who uses Cleanlist AI

Frequently asked questions

What is Cleanlist AI?

Cleanlist AI is a B2B data enrichment platform for sales and marketing teams. It runs waterfall enrichment across 25+ data providers in sequence and returns verified work emails, phone numbers, company firmographics and ICP scores.

How does Cleanlist AI work?

Cleanlist AI runs waterfall enrichment: it asks 25+ data providers in sequence, stops at the first verified or likely-valid email and bills only that result. Risky, invalid or unknown results keep it looking and cost nothing. Emails get syntax, DNS/MX and SMTP checks.

How much does Cleanlist AI cost?

Cleanlist AI prices per seat, and every seat adds its credits to one shared balance. Every new workspace starts with 14 days of Pro, free (250 credits, 3 seats, agents, Sequences and Clu in Slack) and lands on the Free plan (50 credits a month for the workspace) after that. Starter is $49 per seat a month with 750 credits per seat, Pro is $89 per seat with 1,500 and monthly credit levels up to 100,000, and Enterprise is custom. Annual billing takes 25% off. A verified email is 1 credit, a phone number 10, both 11, and searching is free. Unused credits roll over.

How accurate is Cleanlist AI data?

Cleanlist AI returned 98% verified work emails and 85% phone numbers on its own 500-lead benchmark, across 25+ providers. Every email gets syntax, DNS/MX and SMTP checks plus catch-all detection. Phone numbers are format-validated and carrier-checked.

What CRMs does Cleanlist AI integrate with?

Cleanlist AI writes enriched records to HubSpot and Salesforce and reads them back through imports, lookups and agent triggers. Agents add people to Lemlist campaigns and Salesloft cadences. Its own Sequences send email on every paid plan and LinkedIn steps from Pro. You can run enrichment from your own pipeline through the REST API v2 or the MCP server.

How is Cleanlist AI different from ZoomInfo or Apollo?

Cleanlist AI runs each lookup through 25+ providers until one returns a deliverable result, and verifies the email before it reaches your list. ZoomInfo and Apollo each search their own database, and a record missing there comes back empty.

Try Cleanlist AI free for 14 days.

Every new org gets 14 days of Pro, free: 250 credits, 3 seats, agents, Sequences and Clu in Slack. Every Pro feature is on.

Start free trialView pricing

The Free plan stays at 50 credits a month after the trial.